# BMS Boards

> BMS modules for protecting and balancing Lithium/LiFePo4 batteries, 1S-5S, various current ratings (3-100A)

- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Category page: https://sigmanortec.ro/en/bms-boards
- Category: Electronic components > Modules for Batteries > BMS Boards
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:32 (Europe/Bucharest)

## Products (37)

### BMS module 3S, 12.6V, 20A
- Page: https://sigmanortec.ro/en/bms-module-3s-126v-20a
- Details: https://sigmanortec.ro/en/llms/p/339.md
- Price: 10.08 RON
- Availability: In stock; 1-2 zile
- Reference: 33561 · EAN: 5940142291261
- Specifications: Technology: Lithium Ion; Load voltage: 12.6VDC; sway: Not; Number of cells: 3S

BMS module for Li-Ion 3S battery packs, total voltage 12.6V at full charge, without balancing function. Nominal current 20A. Overcharge protection 4.25-4.35V per cell and over-discharge protection 2.3-3.0V per cell. Internal resistance below 150mAh. Dimensions 51 x 23 x 4 mm. Suitable for battery packs made of 3 18650 cells.

### BMS module 3S, 40A, 12.6V
- Page: https://sigmanortec.ro/en/bms-module-3s-40a-126v
- Details: https://sigmanortec.ro/en/llms/p/340.md
- Price: 9.30 RON
- Availability: In stock; 1-2 zile
- Reference: 33611 · EAN: 5942330508984
- Specifications: Technology: Lithium Ion; Load voltage: 12.6VDC; sway: Not; Number of cells: 3S

BMS module for 3S Li-Ion packs, Enhanced version, with charging voltage 12.6VDC. Supports a nominal discharge current of 40A and a maximum charge current of 10A. No balancing function. Dimensions: 41 x 55 x 3.4mm. Manages charge and discharge protection, suitable for assembling 12.6V batteries from 18650 cells, used in tool applications.

### BMS module 3S, 40A, 12.6V, with balance
- Page: https://sigmanortec.ro/en/bms-module-3s-40a-126v-with-balance
- Details: https://sigmanortec.ro/en/llms/p/341.md
- Price: 10.21 RON
- Availability: In stock; 1-2 zile
- Reference: 33586 · EAN: 5948921850463
- Specifications: Technology: Lithium Ion; Load voltage: 12.6VDC; sway: Yes; Number of cells: 3S

3S BMS module with balance for Li-Ion 18650 batteries, used to assemble battery packs for tools and DIY projects. Provides charge and discharge protection for 3 cells in series, supports a charging voltage of 12.6VDC, a maximum discharge current of 40A and a maximum charge current of 10A. Charging and discharging occur through the same port. Dimensions: 41 x 55 x 3.4mm.

### BMS module 3S, 60A, 12.6V
- Page: https://sigmanortec.ro/en/bms-module-3s-60a-126v
- Details: https://sigmanortec.ro/en/llms/p/342.md
- Price: 8.94 RON
- Availability: In stock; 1-2 zile
- Reference: 33507 · EAN: 5946024894179
- Specifications: Technology: Lithium Ion; Load voltage: 12.6VDC; sway: Not; Number of cells: 3S

BMS module for 3S Li-Ion battery packs, for 12.6V batteries used in tools and DIY projects. Provides charge and discharge protection for 3.7V cells (e.g. 18650). Supports up to 60A discharge current and 10A charge current with proper cooling. Includes FD and CD outputs to signal fully charged or charging battery status. No balancing. Dimensions: 41 x 55 x 3.4mm.

### BMS module 4S, 40A, 16.8V
- Page: https://sigmanortec.ro/en/bms-module-4s-40a-168v
- Details: https://sigmanortec.ro/en/llms/p/343.md
- Price: 14.24 RON
- Availability: In stock; 1-2 zile
- Reference: 33612 · EAN: 5943749316122
- Specifications: Technology: Lithium Ion; Load voltage: 16.8VDC; sway: Not; Number of cells: 4S

BMS module 4S, 40A, 16.8V, enhanced version (no balance), for lithium-ion packs with cells of nominal voltage 3.7V (4.2V charged), e.g. 18650. Manages charging at 16.8VDC, supports maximum discharge current of 40A and maximum charge current of 20A. Dimensions: 45 x 55 x 3.4 mm. Suitable for tool batteries.

### BMS module 4S with balance, 40A, 16.8V
- Page: https://sigmanortec.ro/en/bms-module-4s-with-balance-40a-168v
- Details: https://sigmanortec.ro/en/llms/p/344.md
- Price: 12.06 RON
- Availability: In stock; 1-2 zile
- Reference: 33525 · EAN: 5948630643769
- Specifications: Technology: Lithium Ion; Load voltage: 16.8VDC; sway: Yes; Number of cells: 4S

4S BMS module with passive balance, for Li-Ion cells 3.7V (e.g. 4x18650), charge voltage 16.8V. Maximum discharge current 40A, maximum charge current 10A, balance current 50mA. Dimensions 60.5 x 45.2 x 3.4mm. Includes CD (charge finished) and FD (discharged) pads for status indication. Reference 33525.

### BMS module 4S, 30A, 14.8V
- Page: https://sigmanortec.ro/en/bms-module-4s-30a-148v
- Details: https://sigmanortec.ro/en/llms/p/345.md
- Price: 18.15 RON
- Availability: In stock; 1-2 zile
- Reference: 33422 · EAN: 5949195081652
- Specifications: Technology: Lithium Ion; Load voltage: 16.8VDC; sway: Not; Number of cells: 4S

BMS protection module for 4S 14.8V Li-ion packs, ensures safe charge and discharge management, supports 10A continuous with natural cooling and up to 30A peak, includes short circuit, overcharge and deep discharge protection, operates between -40 and 85°C, compact format 50 x 22 x 4 mm for easy integration.
Battery protection module type BMS for 4S cells, 14.8V, 16.8V, Lithium.
Specifications:
Voltage: 4 Lithium batteries of 3.7V (16.8VDC charged)
Discharge current: 10A natural cooling, 15A with heat sinks, 30A peak
Short circuit protection: Yes
Overcharge protection: 4.25±0.025V, 4.15±0.05V
Discharge protection: 2.50±0.08V, 3.00±0.1V
Current protection: 20 - 30A …

### BMS module 2S, 7.4V, 3A
- Page: https://sigmanortec.ro/en/bms-module-2s-74v-3a
- Details: https://sigmanortec.ro/en/llms/p/389.md
- Price: 7.26 RON
- Availability: In stock; 1-2 zile
- Reference: 33098 · EAN: 5948789814485
- Specifications: Technology: Lithium Ion; Load voltage: 8.4VDC; sway: Not; Number of cells: 2S

Provides charge and discharge protection for 2S 7.4V lithium packs, extending battery life in compact applications. Offers overcharge protection 4.25-4.35V and discharge 2.3-3.0V , short circuit protection, continuous current 3A with peak 5A, operates between -40 and +50C.
Charge/discharge protection module for lithium, li-ion, li-po batteries, 7.4V 3A, BMS.
Specifications:
Overcharge protection: 4.25-4.35v±0.05v
Discharge protection: 2.3-3.0v±0.05v
Short circuit protection
Continuous current: 3A
Peak current: 5A
Operating temperature: -40 - +50
Life cycle: more than 50000 hours
Resistance: less than 45m
Dimensions mm: 36 x 6 x 1.0

### BMS module, battery protection, 2S lithium, 7.4V, 8A
- Page: https://sigmanortec.ro/en/bms-module-battery-protection-2s-lithium-74v-8a
- Details: https://sigmanortec.ro/en/llms/p/390.md
- Price: 4.01 RON
- Availability: In stock; 1-2 zile
- Reference: 33446 · EAN: 5940365795676
- Specifications: Technology: Lithium Ion; Load voltage: 8.4VDC; sway: Not; Number of cells: 2S

BMS module for 2S lithium battery packs, 7.4V (8.4V charged), rated current 8A. Provides overcharge protection (4.25-4.35V) and overdischarge protection (2.3-3.0V), no balance function. Power dissipation up to 50W, operating temperature -40 to +50C, dimensions 41x16x3.5mm, lifespan over 50000 hours. Suitable for lithium, li-ion and li-po batteries.

### BMS module, battery protection, 3S, lithium, 12V, 10A
- Page: https://sigmanortec.ro/en/bms-module-battery-protection-3s-lithium-12v-10a
- Details: https://sigmanortec.ro/en/llms/p/391.md
- Price: 8.36 RON
- Availability: In stock; 1-2 zile
- Reference: 33099 · EAN: 5943557459646
- Specifications: Technology: Lithium Ion; Load voltage: 12.6VDC; sway: Not; Number of cells: 3S

BMS module for 3S lithium battery packs 12V, without balance function, nominal current 10A. Charging voltage 12.6VDC. Provides protection against overcharge, overdischarge, overcurrent and short circuit. Maximum discharge current 9A-10A, internal resistance 

### BMS module, 1S, for lithium battery
- Page: https://sigmanortec.ro/en/bms-module-1s-for-lithium-battery
- Details: https://sigmanortec.ro/en/llms/p/417.md
- Price: 2.71 RON
- Availability: In stock; 1-2 zile
- Reference: 33214 · EAN: 5945387560486
- Specifications: Technology: Lithium Ion; Load voltage: 4.2VDC; sway: Not; Number of cells: 1S

BMS module 1S for lithium battery (Li-Ion), reference 33214. Charging voltage 4.2VDC, nominal current 2A, no balance function. Provides overcharge protection 4.25±0.05V, over-discharge protection 2.54±0.1V and overcurrent protection 3A. Maximum charge/discharge current 2A. Dimensions: 40 x 4 x 3mm.

### BMS module 3S, 12.6V, 15A
- Page: https://sigmanortec.ro/en/bms-module-3s-126v-15a
- Details: https://sigmanortec.ro/en/llms/p/844.md
- Price: 9.78 RON
- Availability: In stock; 1-2 zile
- Reference: 9031 · EAN: 5947537909480
- Specifications: Technology: Lithium Ion; Load voltage: 12.6VDC; sway: Not; Number of cells: 3S

HX-3S-FL20 Rev.2.2 BMS board for 3S lithium-ion battery packs, charging voltage 12.6VDC, intended for batteries built from 3 18650 cells. Overcharge protection per cell 4.25-4.35V, over-discharge protection per cell 2.3-3.0V, maximum operating current 15A. Internal resistance 

### BMS module 4S with balance, 30A, 16.8V
- Page: https://sigmanortec.ro/en/bms-module-4s-with-balance-30a-168v
- Details: https://sigmanortec.ro/en/llms/p/870.md
- Price: 19.23 RON
- Availability: In stock; 1-2 zile
- Reference: 9064 · EAN: 5945435480131
- Specifications: Technology: Lithium Ion; Load voltage: 16.8VDC; sway: Yes; Number of cells: 4S

4S BMS module with balance function for Li-Ion batteries, reference 9064. Charging voltage 16.8VDC, nominal current 30A (charge and discharge). Includes short circuit protection, internal resistance 

### BMS module 5S, 15A, 18.5V
- Page: https://sigmanortec.ro/en/bms-module-5s-15a-185v
- Details: https://sigmanortec.ro/en/llms/p/991.md
- Price: 9.97 RON
- Availability: In stock; 1-2 zile
- Reference: 9184 · EAN: 5943192970643
- Specifications: Technology: Lithium Ion; Load voltage: 21.0VDC; sway: Not; Number of cells: 5S

BMS module 5S for Li-Ion packs with 5 series-connected cells. Protects against overcharge, deep discharge, short circuit and overcurrent. Rated current 15A, peak up to 25A, recommended charging voltage 21V, internal resistance 

### BMS module 3S, 60A, 12.6V, with Balance
- Page: https://sigmanortec.ro/en/bms-module-3s-60a-126v-with-balance
- Details: https://sigmanortec.ro/en/llms/p/1375.md
- Price: 12.52 RON
- Availability: In stock; 1-2 zile
- Reference: 9267 · EAN: 5948882438779
- Specifications: Technology: Lithium Ion; Load voltage: 12.6VDC; sway: Yes; Number of cells: 3S

BMS module for 3S Li-Ion battery packs, with balance function for 3.7V cells (4.2V charged). Charging voltage 12.6VDC, nominal discharge current 60A, maximum charge current 10A. Dimensions 41 x 55 x 3.4mm. Suitable for assembling batteries for tools and high-current applications, providing charge and discharge protection.

### BMS Module 2S, 5A, Lithium, 7.4V
- Page: https://sigmanortec.ro/en/bms-module-2s-5a-lithium-74v
- Details: https://sigmanortec.ro/en/llms/p/1477.md
- Price: 8.37 RON
- Availability: In stock; 1-2 zile
- Reference: 9372 · EAN: 5949078170947
- Specifications: Technology: Lithium Ion; Load voltage: 8.4VDC; sway: Not; Number of cells: 2S

BMS module 2S for 7.4V Lithium-Ion battery packs, with protection against overcharge, overdischarge, overcurrent and short circuit. Charging voltage 8.4VDC, rated current 5A, instantaneous peak 7A. No balancing function. Diameter 17.5mm, suitable for direct mounting on an 18650 cell. Operating temperature: -40 to 80°C.

### BMS Module 2S, 4A, Lithium, 7.4V
- Page: https://sigmanortec.ro/en/bms-module-2s-4a-lithium-74v
- Details: https://sigmanortec.ro/en/llms/p/1476.md
- Price: 9.09 RON
- Availability: In stock; 1-2 zile
- Reference: 9371 · EAN: 5944710716279
- Specifications: Technology: Lithium Ion; Load voltage: 8.4VDC; sway: Not; Number of cells: 2S

The 2S BMS module protects 7.4V Li-ion packs with 2 18650 cells, providing safe charging and discharging, overcurrent and short circuit protection. Supports current up to 4A, has MOSFET with internal resistance below 22mOhm for low losses, mounts directly over the cells, operates between -40 and 80C.
BMS module for protecting Lithium-ion batteries with a nominal voltage of 3.7V. This module offers charging and discharging, current and short circuit protection.
Its shape lends itself to being placed directly over two 18650 cells.
Specifications:
Battery voltage: 7.4V
Charging voltage: 8.4VDC
Number of cells: 2
Maximum current: 4A
MOSFET internal resistance: <22mΩ
Load protection: 4.3VDC …

### BMS Module 3S, 8A, 11.1V, Lithium
- Page: https://sigmanortec.ro/en/bms-module-3s-8a-111v-lithium
- Details: https://sigmanortec.ro/en/llms/p/1478.md
- Price: 10.37 RON
- Availability: Out of stock
- Reference: 9373 · EAN: 5947939888529
- Specifications: Technology: Lithium Ion; Load voltage: 12.6VDC; sway: Not; Number of cells: 3S

3S Li-ion battery protection module, ideal for 3 18650 cells arranged in a triangle, ensures safe charging and discharging with overcurrent and short circuit protection. It operates at 11.1V nominal and 12.6V charging, supports up to 6-8A with 10A peak, has an internal resistance below 100mohm and a compact 30x30mm format.
BMS module for protecting Lithium-ion batteries with a nominal voltage of 3.7V, in 3S configuration. This module offers charging and discharging, current and short circuit protection.
Its shape lends itself to being placed directly over 3 18650 cells aligned in a triangular shape.
Specifications:
Battery voltage: 11.1V
Charging voltage: 12.6VDC
Number of cells: 3 …

### BMS module with balance, 3S, settable 4S, 5S Lithium, 12.6V, 100A
- Page: https://sigmanortec.ro/en/bms-module-with-balance-3s-settable-4s-5s-lithium-126v-100a
- Details: https://sigmanortec.ro/en/llms/p/1481.md
- Price: 23.58 RON
- Availability: Out of stock
- Reference: 9375 · EAN: 5943016425625
- Specifications: Technology: Lithium Ion; Load voltage: 12.6VDC, 16.8VDC, 21.0VDC; sway: Yes; Number of cells: 5S, 3S, 4S

Protects and balances 3.7V Li-ion batteries, 3S compatible and settable to 4S or 5S via B1 B2 bridges, delivered preset 3S for 12.6V. Provides active balance at 4.18V, supports up to 100A overcurrent protection and up to 50A continuous current in Split mode, includes NTC interface for temperature protection and allows Split or Same Port configuration.
BMS module, adjustable between 3S and 5S, factory set to 3S, for lithium batteries with a nominal voltage of 3.7V and maximum charging voltage of 4.2V per cell.
The module offers the possibility to add an NTC thermistor for the excessive temperature protection function.

### BMS module with balance, 4S, settable 3S, 5S Lithium, 16.8V, 100A
- Page: https://sigmanortec.ro/en/bms-module-with-balance-4s-settable-3s-5s-lithium-168v-100a
- Details: https://sigmanortec.ro/en/llms/p/1482.md
- Price: 21.59 RON
- Availability: In stock; 1-2 zile
- Reference: 9376 · EAN: 5949006647398
- Specifications: Technology: Lithium Ion; Load voltage: 16.8VDC; sway: Yes; Number of cells: 4S

BMS module with balance function for Li-ion/LiPo battery packs, settable between 3S and 5S, factory set to 4S, 16.8VDC. Nominal current 100A, continuous charge current 40A. Provides overcharge, over-discharge and overcurrent protection, but no short-circuit protection. Can be wired in Split or Same Port mode and supports an NTC thermistor for thermal protection. Dimensions: 62 x 42 x 4mm.

### BMS module with balance, 3.2V, LiFePo4, 5S, adjustable 3S, 4S, 9.6V, 100A
- Page: https://sigmanortec.ro/en/bms-module-with-balance-32v-lifepo4-5s-adjustable-3s-4s-96v-100a
- Details: https://sigmanortec.ro/en/llms/p/1483.md
- Price: 23.58 RON
- Availability: In stock; 1-2 zile
- Reference: 9377 · EAN: 5947866167247
- Specifications: Technology: LiFePo4; Load voltage: 10.8VDC, 14.4VDC, 18.0VDC; sway: Yes; Number of cells: 3S, 4S, 5S

Balanced BMS module for LiFePo4 packs 3S to 5S, factory set to 5S, provides overcharge, overdischarge and overcurrent protection up to 100A, supports 40A continuous charge and 50A continuous discharge in Split mode, includes active balancing for cell equalization and allows the connection of an NTC probe for temperature protection.
BMS module, adjustable between 3S and 5S, factory set to 5S, for lithium batteries with a nominal voltage of 3.2V and maximum charging voltage of 3.6V per cell.
The module offers the possibility to add an NTC thermistor for the excessive temperature protection function.

### BMS module with balance, 3.2V, LiFePo4, 3S, settable 4S, 5S, 9.6V, 100A
- Page: https://sigmanortec.ro/en/bms-module-with-balance-32v-lifepo4-3s-settable-4s-5s-96v-100a
- Details: https://sigmanortec.ro/en/llms/p/1534.md
- Price: 24.93 RON
- Availability: In stock; 1-2 zile
- Reference: 9451 · EAN: 5944479345666
- Specifications: Technology: LiFePo4; Load voltage: 10.8VDC, 14.4VDC, 18.0VDC; sway: Yes; Number of cells: 3S, 4S, 5S

BMS module with balance for LiFePo4 batteries, 3.2V, factory set to 3S, configurable to 4S or 5S via bridges on the B1 and B2 pads. Nominal current 100A, continuous discharge 50A in Split mode or 40A in Same Port mode. Provides overcharge, overdischarge protection and NTC connection for temperature protection. No short-circuit protection. Dimensions 62 x 42 x 4mm.

### BMS module LiFePo4, 1S, 12A, 3.2V, 6MOS
- Page: https://sigmanortec.ro/en/bms-module-lifepo4-1s-12a-32v-6mos
- Details: https://sigmanortec.ro/en/llms/p/1542.md
- Price: 8.07 RON
- Availability: In stock; 1-2 zile
- Reference: 9432 · EAN: 5943028991606
- Specifications: Technology: LiFePo4; sway: Not; Number of cells: 1S

BMS module for a single LiFePo4 cell (1S), 3.2V, with a rated continuous charge-discharge current of 12A and overcurrent protection at 15A. Charge protection voltage 3.6V ±0.25V, discharge protection voltage 2.1V ±0.05V. No balance function. Thin design with 6 MOS, dimensions 35 x 7.6 x 2.2mm, suitable for compact battery packs and DIY projects.

### BMS Lithium module, 1S, 12A, 3.7V
- Page: https://sigmanortec.ro/en/bms-lithium-module-1s-12a-37v
- Details: https://sigmanortec.ro/en/llms/p/1543.md
- Price: 8.07 RON
- Availability: In stock; 1-2 zile
- Reference: 9433 · EAN: 5946721555953
- Specifications: Technology: Lithium Ion; Load voltage: 4.2VDC; sway: Not; Number of cells: 1S

Provides complete protection for a single 3.7V Li-Ion cell, offering continuous charging and discharging up to 12A. Includes overcharge and overdischarge protection, overcurrent limiting and short circuit protection, in a compact 35 x 7.6 x 2.2 mm format, ideal for DIY packages and electronic projects.
BMS module for Lithium batteries, 1S (one cell) of 3.7V, with a maximum discharge-charge current of up to 12A.
Specifications:
Cell type: Lithium
Nominal voltage: 3.7V
Maximum continuous charge-discharge current: 12A
Charge protection: 4.25V, ±0.05V
Overload protected release: 4.23V, ±0.05V
Discharge protection: 2.45V, ±0.10V
Current protection: 15A
Short circuit protection: Yes …

### BMS module with balance, 5S, settable 3S, 4S Lithium, 21.0V, 100A
- Page: https://sigmanortec.ro/en/bms-module-with-balance-5s-settable-3s-4s-lithium-210v-100a
- Details: https://sigmanortec.ro/en/llms/p/1574.md
- Price: 23.58 RON
- Availability: In stock; 1-2 zile
- Reference: 9467 · EAN: 5948921892517
- Specifications: Technology: Lithium Ion; Load voltage: 12.6VDC, 16.8VDC, 21.0VDC; sway: Yes; Number of cells: 3S, 4S, 5S

BMS module for lithium-ion batteries, configurable 3S/4S/5S (factory set to 5S, 21.0VDC), rated current 100A. Provides overcharge, overdischarge and overcurrent protection, balance function (4.18VDC, 60mA), supports NTC probe for temperature protection, Split or Same Port configurations. Dimensions 62 x 42 x 4mm, working temperature -20°C to +65°C. No short-circuit protection.

### Lithium-Ion BMS Module, 6S, 40A, 25.2V, with Balance
- Page: https://sigmanortec.ro/en/lithium-ion-bms-module-6s-40a-252v-with-balance
- Details: https://sigmanortec.ro/en/llms/p/1685.md
- Price: 26.40 RON
- Availability: In stock; 1-2 zile
- Reference: 9573 · EAN: 5942571636798
- Specifications: Technology: Lithium Ion; Load voltage: 25.2VDC; sway: Yes; Number of cells: 6S

BMS module for Lithium-Ion battery packs in 6S configuration, with 40A nominal current and up to 70A peak. Nominal voltage 24VDC, charging voltage 25.2VDC. Provides individual cell protection against overcharge, overdischarge, overcurrent and short circuit, plus integrated balancing up to 45mA. Internal resistance 

### BMS module 6S, Li-Ion, 15A, 25.2V
- Page: https://sigmanortec.ro/en/bms-module-6s-li-ion-15a-252v
- Details: https://sigmanortec.ro/en/llms/p/1695.md
- Price: 14.94 RON
- Availability: In stock; 1-2 zile
- Reference: 9582 · EAN: 5946450823774
- Specifications: Technology: Lithium Ion; Load voltage: 25.2VDC; sway: Not; Number of cells: 6S

BMS module for 6S Li-Ion battery packs, maximum charge voltage 25.2VDC, rated current 15A and peak discharge current up to 25A. No balancing function. Provides protection against overcharge, overdischarge and short circuit, minimum discharge voltage 16.8V, conduction resistance ≤20mΩ, standby current ≤10uA. Temperature range -30/+80°C, dimensions 50 x 30 x 2mm.

### Housing set with holder and BMS, compatible with Makita, 18V, 18650
- Page: https://sigmanortec.ro/en/housing-set-with-holder-and-bms-compatible-with-makita-18v-18650
- Details: https://sigmanortec.ro/en/llms/p/1726.md
- Price: 160.46 RON
- Availability: Out of stock
- Reference: 9621 · EAN: 5940688401391
- Specifications: Technology: Lithium Ion; sway: Not; Number of cells: 5S

Complete kit for assembling a Makita 18V compatible battery, includes housing, cell holder, connectors, BMS, screws and connection boards, has a level indicator light, 5S2P configuration for 10 18650 cells, overcharge, discharge, short circuit and temperature protections, ideal for restoring BL1830, BL1840, BL1850 batteries.
Makita compatible battery case, with all the necessary components to make a battery ( 18650 batteries are not included ). With the help of this kit you can make the battery from scratch, having the case, the connectors, the battery holders, the BMS, the screws and the plates for the connection between the cells.
There is also a light indicator of the battery level.

### Housing set with holder and BMS, Bosch compatible, 18V, 10 cells, 18650
- Page: https://sigmanortec.ro/en/housing-set-with-holder-and-bms-bosch-compatible-18v-10-cells-18650
- Details: https://sigmanortec.ro/en/llms/p/1729.md
- Price: 127.17 RON
- Availability: In stock; 1-2 zile
- Reference: 9623 · EAN: 5948410870286
- Specifications: Technology: Lithium Ion; sway: Yes; Number of cells: 5S

Housing set with holder and BMS for assembling a Bosch compatible 18V battery. Includes housing, connectors, BMS with balancing, screws, connection plates and level indicator. Uses 10 18650 cells (not included) in 5S2P configuration, nominal voltage 18V, charging voltage 21V. Compatible with BOSCH BAT609, BAT609G, BAT618, BAT618G. A spot welder is required to finish assembly.

### Housing set with support and BMS, DeWalt compatible, 18-20V, 10 cells, 21700
- Page: https://sigmanortec.ro/en/housing-set-with-support-and-bms-dewalt-compatible-18-20v-10-cells-21700
- Details: https://sigmanortec.ro/en/llms/p/1728.md
- Price: 162.47 RON
- Availability: Out of stock
- Reference: 9622 · EAN: 5943139947974
- Specifications: Technology: Lithium Ion; sway: Yes; Number of cells: 5S

Complete kit for assembling a DeWalt 18-20V compatible battery, includes housing, brackets, connectors, screws, boards and BMS, ready for 10 21700 5S2P cell configuration. Offers electronic protections and light level indicator with button, ideal for reconditioning or building tool batteries. 21700 cells are not included.
DeWalt compatible battery case, with all the necessary components to make a battery (18650 batteries are not included). With the help of this kit you can make the battery from scratch, having the case, the connectors, the battery holders, the electronic board, the screws and the plates for the connection between the cells.

### BMS module, 10S, 36V, 30A, with balancing, with heatsink, with thermistor
- Page: https://sigmanortec.ro/en/bms-module-10s-36v-30a-with-balance-with-radiator-with-thermistor
- Details: https://sigmanortec.ro/en/llms/p/1783.md
- Price: 76.36 RON
- Availability: In stock; 1-2 zile
- Reference: 9672 · EAN: 5947802973925
- Specifications: Technology: Lithium Ion; sway: Yes; Nominal Current: 30 A; Number of cells: 10S; Input Voltage: 36 V

Protects and manages 10S 36V Li-ion packs for applications up to 1000W, ensuring stable charging and discharging. Offers cell balancing for better autonomy and lifespan, overcharge, overdischarge, overcurrent and short circuit protections, includes heat sink for heat dissipation and thermistor for temperature monitoring.
The 10S BMS protection module, 36V, 30A, with balancing, heatsink, and thermistor is an electronic board designed to manage and protect Li-ion or LiPo battery packs made of 10 cells connected in series (10S), such as 18650 cells or equivalent.

### BMS Li-Ion module, 14S, 45A, with balance, 52V
- Page: https://sigmanortec.ro/en/bms-li-ion-module-14s-45a-with-balance-52v
- Details: https://sigmanortec.ro/en/llms/p/1907.md
- Price: 189.66 RON
- Availability: In stock; 1-2 zile
- Reference: 9764 · EAN: 5948806143468
- Specifications: Technology: Lithium Ion; sway: Yes; Input Voltage: 52 V

Passive balance BMS board for 14S Li-Ion packs at 52V, ideal for protecting and maintaining cell balance during charging. Supports 45A continuous and short peaks up to 150A, includes protections against overcharge, overdischarge, short circuit and overcurrent. 15-pin balance plug and cables are included, resistors on the heatsink ensure better cooling.
BMS (Battery Management System) protective board with balancing (balance), compatible with Lithium Ion cells with a maximum voltage of 4.2V in a charged state, designed to provide safety and efficiency to battery systems with a configuration of 14 cells in series (14S ), operating at a voltage of 52V.

### Smart BMS 3S module, Daly, 60A, Bluetooth, 12V
- Page: https://sigmanortec.ro/en/smart-bms-3s-module-daly-60a-bluetooth-12v
- Details: https://sigmanortec.ro/en/llms/p/2175.md
- Price: 360.76 RON
- Availability: In stock; 1-2 zile
- Reference: 88009 · EAN: 5943569093319
- Specifications: Technology: Lithium Ion; Load voltage: 12.6VDC; sway: Yes; Number of cells: 3S

Smart BMS 3S module by Daly, 12V (12.6VDC), 60A, with Bluetooth, for Li-Ion 3S battery packs. Provides protection against overcharge, overdischarge, short circuit and overcurrent, passive cell balancing (100mA current), NTC probe and connection via iOS/Android app. Operating temperature -35~75°C, weight 182g, dimensions 65x123x14mm.

### Smart BMS module, LiFePo4, 16S, Daly, 60A, Bluetooth, 48V
- Page: https://sigmanortec.ro/en/smart-bms-module-lifepo4-16s-daly-60a-bluetooth-48v
- Details: https://sigmanortec.ro/en/llms/p/2177.md
- Price: 468.33 RON
- Availability: In stock; 1-2 zile
- Reference: 88011 · EAN: 5948831138965
- Specifications: Technology: LiFePo4; sway: Yes

Smart BMS module by Daly for LiFePo4 batteries, 16S configuration, 48V, final voltage 58.4VDC, rated current 60A. Provides Bluetooth monitoring (iOS/Android app), passive cell balancing (balancing current 100mA), protection against overcharge, overdischarge, overcurrent and short circuit. Operating temperature -35~75°C, weight 182g, dimensions 65x123x14mm.

### BMS module, LiFePo4, 2S, 10A, with Balance
- Page: https://sigmanortec.ro/en/bms-module-lifepo4-2s-10a-with-balance
- Details: https://sigmanortec.ro/en/llms/p/2260.md
- Price: 9.09 RON
- Availability: In stock; 1-2 zile
- Reference: 88097 · EAN: 5943886840931
- Specifications: Technology: LiFePo4; sway: Yes; Number of cells: 2S

The BMS module for LiFePO4 2S packs, ideal for 2 3.2V cells, ensures safe charging and discharging up to 10A, with cell balancing. It offers short circuit, overcharge and undervoltage protection, has very low static consumption and operates stably between -40 and +50°C, in a compact format easy to integrate into technical projects.
LiFePO4 battery charging protection module, type BMS (Battery Management System) for cells with a nominal voltage of 3.2V (3.65V charged). Ideal for batteries composed of 2 cells.
This module is equipped with short circuit and overload protection.
Specifications:
Model: HX-2S-D01
Charging voltage: 7.2V DC
Maximum operating current: 10A …

### Smart BMS module, 7-14S, Li-Ion and LiFePO4, 30A
- Page: https://sigmanortec.ro/en/smart-bms-module-7-14s-li-ion-and-lifepo4-30a
- Details: https://sigmanortec.ro/en/llms/p/2306.md
- Price: 299.54 RON
- Availability: In stock; 1-2 zile
- Reference: 88164 · EAN: 5947436583767
- Specifications: Technology: Lithium Ion, LiFePo4; sway: Yes

Smart BMS module for Li-Ion or LiFePO4 battery packs, 7S-14S configurations, rated current 30A with peak up to 90A. Provides active cell balancing during charging and protection against overcharge, overdischarge, overcurrent and short circuit. Integrated Bluetooth allows real-time monitoring of cell voltages and battery status via mobile app. Compatible with LiPo/Li-Ion 3.7V and LiFePO4 3.2V (requires app reconfiguration).

### Smart BMS 13S module, Daly, 60A, Bluetooth, 48V
- Page: https://sigmanortec.ro/en/smart-bms-13s-module-daly-60a-bluetooth-48v
- Details: https://sigmanortec.ro/en/llms/p/2176.md
- Price: 430.83 RON
- Availability: In stock; 1-2 zile
- Reference: 88010 · EAN: 5945690893059
- Specifications: Technology: Lithium Ion; sway: Yes

Smart BMS Daly 13S module for 48V Li-Ion battery packs, with Bluetooth for monitoring and app-based settings. Rated current 60A, charging voltage 54.6VDC, passive cell balancing (100mA). Provides protection against overcharge, overdischarge, short circuit and overcurrent. Suitable for electric vehicles, solar systems and battery banks.