9v battery connector

In Stoc

Ideal for quickly powering circuits and DIY projects with 9V batteries, this plug-type connector ensures a firm grip on the battery, has a wire output for easy connection to the board or terminals, offers stable electrical contact and mounts quickly in electronic applications, tests, prototypes and repairs.

0.38 €

9V Battery Connector with 5.5*2.1 plug

In Stoc

Allows quick powering of Arduino Uno boards and other DC input projects using a 9V battery. It has a 9V battery connector, 10 cm cable for flexible mounting, 5.5x2.1 mm DC male plug compatible with most jacks, designed for stable and easy connection in prototyping.

0.35 €

Imax B3 Pro Compact lithium battery charger with balance, 2s and 3s

In Stoc

Compact balance charger for Li-Po and Li-Ion 2S and 3S batteries, ideal for RC applications and lithium batteries. Charges each cell separately for equal voltages and correct charging, operates at 100-240VAC with 8.4V or 12.6V output depending on the battery, offers charging current up to 1.5A and clearly displays status via 3-color LED.

8.42 €

Universal dual Ni-Mh charger AA, AAA, 9V

In Stoc

Universal dual charger for Ni-MH AA, AAA and 9V batteries, ideal for home or service use. Powered by 220VAC, has 2 slots for AA or AAA and 1 slot for 9V, LED indicator for charging status and integrated timer for automatic shutdown. Offers constant charging and extensive compatibility for common rechargeable batteries.

5.97 €

Battery Indicator 2S 8.4V

In Stoc

Quickly displays the charge level for Li-Ion 2S 8.4V packs, at the press of a button the LEDs indicate the battery status in stages. Compatible with 3.7V x 2 cells only, easy to integrate into electronic projects and portable equipment, slim format 62 x 15.8 x 2.7 mm for discreet mounting.

2.72 €

3S 12.6V Battery Indicator

In Stoc

LED indicator for 3S 12.6V Li-ion batteries, quickly shows the charge level at the push of a button, useful for instant checks in electronic projects, battery packs and portable equipment. LED display for easy reading, compatible with 3 x 3.7V configuration, slim and compact format, dimensions 62 x 15.8 x 2.7 mm.

2.86 €

Charging module 3.7V lithium battery, with 5V boost

In Stoc

Quickly transform a 3.7V Li-Ion battery into a practical power bank, charges via MicroUSB port and delivers a stable 5V output through a female USB, includes protection for charging and discharging between 3.0 and 4.2V, provides current up to 500mA for charging the phone or powering devices at 5V.

0.75 €

TP5100 Lithium Battery Charging Module, 1S-2S

In Stoc

Charging module for 1S or 2S Li-ion batteries, compatible with 4.2V cells and 8.4V packs, quickly selectable via SET jumper. Provides fast charging with programmable current up to 2A, accepts wide 5-18VDC power supply and allows the connection of a bicolor LED to display the charging status. Includes integrated protections for safe operation in DIY projects and industrial applications.

1.33 €

Lithium battery charging module, TP4056, 5v, 1A, with protection, MicroUSB

In Stoc

Compact module for charging 3.7V 1S Li-Ion battery, ideal for DIY projects and portable devices, offers stable charging at 1A from a 5V source via MicroUSB or pins, includes discharge, overcurrent and short circuit protection, has separate outputs for battery and consumer for easy integration.

0.59 €

Battery charging module XH-M602, 220VAC, display, 0-99.9VDC

In Stoc

Module for automatically maintaining charged batteries, monitors voltage and controls via relay the charger start and stop between set thresholds. It has a display for quick START STOP display and adjustment, operates at 220VAC with integrated power supply, controls batteries in the range 0-99.9VDC, suitable for UPS, solar systems and industrial applications.

8.84 €

XH-M603 12-24V battery charging module with display

In Stoc

Charge control module for 12-24V batteries, functions as a smart relay that automatically starts and stops charging between set thresholds, has a display for displaying voltage and simple adjustment using buttons, accepts DC 10-30V power supply and includes LM2596 regulator, ideal for maintaining car, motorcycle or solar panel batteries.

4.96 €

1S 3.3 - 4.2VV Battery Status Indication Module

In Stoc

Quickly displays the charge level for a 1S lithium cell between 3.3 and 4.2V, with 4 blue bars for 25, 50, 75 and 100% and a red outline when it drops below 25%. It operates at 3.7V DC with low consumption of approximately 5mA, it is compact, 43.5 x 20mm, ideal for portable projects and electronic equipment.

1.36 €

Battery Status Indicator Module 2S 8.4V

In Stoc

Quickly displays the charge level for 2S lithium batteries up to 8.4V, useful in DIY projects, portable systems and battery packs. The 4-bar indicator shows 25, 50, 75 and 100%, below 25% only the red outline remains, it has low consumption of approximately 5mA, blue with red display and compact dimensions 43.5 x 20mm.

1.33 €

Battery Status Indicator Module 3S, 12.6V

In Stoc

Quickly displays the charge level of a 3S lithium battery pack up to 12.6V, indicating the percentage through 4 light strips, below 25% only the red outline remains lit. Works with 3 cells inserted, low consumption of approximately 5mA, blue with red display, compact format 43.5 x 20mm for easy integration into projects and equipment.

1.34 €

Battery Status Indicator Module 4S, 16.8V

4S, 16.8V Battery Status Indication Module

In Stoc

It quickly displays the charge level for 4S 16.8V Li-ion packs, through 4 blue bars, and below 25% only the red outline remains lit. It operates at 16.8VDC, has low consumption of approximately 5mA, compact format 43.5x20mm , clear thresholds for 25, 50, 75 and 100% based on voltage.

1.33 €

UPS module 12V, lithium battery 3.7V

In Stoc

Compact 12V backup solution for equipment, boosts the voltage from a 3.7V Li-ion battery to 12V and charges the battery from a 5-12V supply, automatically switches to battery when voltage drops and returns to charging when re-powered. Provides up to 9W with 1A peak current, supports 1S batteries up to 8Ah by default or 15Ah via jumper, dimensions 50x20x6.3mm.

3.00 €

UPS booster 3.7V to 9V module - 50x20x6.3mm

UPS module 9V, lithium battery 3.7V

In Stoc

Provides 9V UPS power for sensitive equipment, raises the voltage from a 3.7V Li-Ion battery and charges it automatically, instantly switches to battery upon power outage and returns to charging upon re-powering. Accepts 5-12V input, delivers up to 9W with 1A peaks, supports 1S batteries up to 8Ah or 15Ah via jumper, compact size 50x20x6.3 mm.

4.21 €

MPPT solar battery charging module, 3.7V, CN3065

Dual Powerbank Module, 5V, 2A

In Stoc

Transforms a 3.7V Li-ion battery into a compact external battery, with two 5V USB outputs up to 2A for simultaneous powering of gadgets. It charges easily via MicroUSB, has a status LED and high efficiency of up to 90%. Includes overcharge and overdischarge protection, for safe and stable operation.

2.44 €

MPPT 5A CC/CV solar charge control module with display

MPPT solar charge control module, 5A, CC/CV, with display, 6-36V

In Stoc

MPPT DC-DC step-down controller for correct solar charging of batteries, with CC/CV mode for constant voltage and current, separate settings for V, A and MPPT, dual display with switching for voltage, current and power, supports 6-36V input and current up to 5A, high efficiency up to 95%, ideal for lithium batteries, power LEDs and electronic projects.

14.51 €

Qi Wireless Charging Module, 5W, 1A, 5V

In Stoc

Allows Qi wireless charging of phones and other compatible devices, ideal for integration into DIY projects or discrete charging stations. Powered by MicroUSB at 5V, it offers up to 5W at 5V 1A output, has an efficiency of up to 75% and works at a distance of 2-8 mm for stable charging.

5.75 €

1S-8S battery tester, display and buzzer

In Stoc

Quickly monitor the status of 1S-8S lithium battery packs, display the voltage on each cell or total and warn you with a buzzer when discharging. The low voltage threshold is adjustable from the button, and below 3.3V the LEDs flash and the alarm sounds. Works with Li-Po, Li-Ion and Li-Fe, is powered directly from the battery and measures up to 36V.

2.10 €

Current and voltage sensor MAX471, GY-471 3A, 3-25V

In Stoc

Compact module for monitoring consumption, measures current up to 3A and voltage up to 25V, compatible with Arduino and other 3.3-5V. Provides analog output for current and voltage through a 1 to 5 divider, allows detection of current direction during charging or discharging, ideal for testing power supplies, batteries and embedded projects.

4.14 €

Battery status indicator voltmeter, 12-60V, with display

In Stoc

Panel module for quick monitoring of lead-acid batteries, displays voltage and charge level via color LED bar. Automatically detects 12-60V systems, provides stable reading with approximately 1% error and fast update at 300 ms. Easily mounts in cutout, has low consumption 5-15 mA and red zone for signaling discharge.

2.94 €

Lithium battery charging module, TP4056, TypeC, 5v, 1A, with protection

In Stoc

Compact 3.7V 1S Li-Ion battery charging and protection module, ideal for DIY projects and portable devices. Powered at 5V via Type C or pins, charges up to 1A with a final voltage of 4.2V, includes over-discharge and over-current protection, offers separate battery and output pins for easy integration into applications.

0.93 €

Powerbank Kit 1S, 18650, 5V

In Stoc

Box with powerbank module for a 18650 battery, ideal for quickly building an external battery that charges devices at 5V. Includes charge management with charge and discharge protection, step-up converter to 5V and offers up to 1A output. It is powered via MicroUSB and has a USB 2.0 female output, the 18650 battery is not included.

2.00 €

Battery status indication module, settable, 1S-8S, V2.0

In Stoc

Compact module for quick battery level indication, configurable for 1S-8S packs by selecting the desired pad. LED display in 25% steps with red LED for low level, operates at 3-34VDC with typical error of 2%, suitable for Li-Ion assemblies and also usable with NiMH within voltage limits. Dimensions 43.5 x 20mm.

2.27 €

Battery Capacity Tester, ZB2L3, 1-15V

In Stoc

The module for testing the real capacity of batteries between 1 and 15V, by controlled discharge with an external load, displays on the display the voltage, current and mAh consumed during the test, simple 5V power supply via MicroUSB, automatically detects the shutdown voltage or allows manual setting from the buttons, supporting discharge current up to 3A.

4.55 €

Wireless charging module, Qi, 18W, 5-24VDC

In Stoc

18W Qi wireless charging module with enlarged charging surface, ideal for integration into projects, stations or panels. It is powered directly at 12-24VDC via wires or 5-12VDC via optional Type-C, being compatible with car sources without additional regulators. Automatically adjusts power depending on the device, ensures efficient charging up to 10 mm.

19.13 €

Battery charge control module, XH-M604, 6-50V, 30A

In Stoc

Battery charging control module with display, works as a relay that starts and stops charging according to set thresholds, ideal for maintaining batteries during long periods of non-use. Supports 6-50VDC power supply, current up to 30A, fine adjustment with 0.1V step for start and stop, displays battery voltage in real time and is quickly set from the buttons.

5.78 €

Low voltage control module, panel, battery discharge protection, 12-48V, 20A

In Stoc

Battery protection panel module, automatically disconnects power when voltage drops below the set threshold and reconnects the consumer at the chosen restart voltage. Compatible with 12-48V, controls loads up to 20A, digital display for monitoring and settings, LED for indicating low voltage status, simple two-button adjustment.

13.50 €

MPPT module, 1 cell, CN3791, 12V solar panel charging

In Stoc

MPPT module for solar charging of a 1-cell Li-Ion battery, powered by a 12V panel, automatically optimizes the current depending on the available power, integrates a power transistor without an external resistor and a blocking diode, offers thermal protection and a low-consumption sleep mode, and the LEDs indicate the charging status and completion, the current is adjustable up to 500mA.

5.39 €

Heat Shrinkable PVC Tube, 18650 Batteries, Green

In Stoc

PVC heat shrink tube for reconditioning a 18650 cell with damaged casing or for a clean look on recovered batteries, offers contraction of up to 50% at 80-105°C, is 72 mm long and 0.08 mm thick for uniform coverage, green color, is quickly applied with hot air by heating the ends first then the body.

0.16 €

PVC Heat Shrink Tube, 18650 Batteries, White

In Stoc

Heat-shrinkable PVC tube for reconditioning and protecting a 18650 cell with damaged casing or for a clean look on recovered batteries, made of white PVC with a shrinkage rate of 50%, length 72 mm and thickness 0.08 mm, shrinks evenly at 80-105°C using hot air for quick application and aesthetic finish.

0.16 €

Shrinkable PVC tube, 18650 batteries, Blue

PVC Heat Shrink Tube, 18650 Batteries, Blue

In Stoc

Quickly restore the insulation and appearance of an 18650 cell with damaged casing, blue PVC tube with 50% shrinkage, length 72 mm and thickness 0.08 mm, shrinks evenly at 80-105 degrees C for a firm fit, apply gently with hot air by heating the ends first then the body.

0.16 €

18650 battery terminal insulation ring, self-adhesive, green

In Stoc

Self-adhesive ring for isolating the positive pole of 18650 batteries, ideal for assembling cells in series or parallel in packs. Made of green self-adhesive cardboard, ensures quick application and good fixation, has an outer diameter of 17 mm, an inner diameter of 10 mm and a thickness of 0.24 mm for precise insulation without adding volume.

0.05 €

Lead-Acid battery balance module, 2S, HT-10C, with active balance and interconnection

In Stoc

Active balancing module for 2S Lead-Acid batteries, optimizes charging and extends battery life by transferring energy from the more charged battery to the less discharged one when the difference exceeds 50 mV. Offers up to 10A of balancing current, backlit display for quick monitoring, mounts on the rail and allows multiple modules to be interconnected in series for multi-battery systems.

83.85 €

Digital balance charger, B6 V3, 80W, Lipo, Li-Ion, LiHv, NiMh, NiCd

Last items in stock

Professional digital charger with balance for LiPo, Li-Ion, LiHV, NiMh and NiCd batteries, offers precise charging up to 80W and 6A, automatically identifies the number of cells and ensures individual balance. Includes discharge and Storage Mode functions for battery maintenance, internal resistance test and temperature sensor input, with stable microprocessor control and LCD display.

57.06 €

Digital charger with LCD, ToolkitRC, M6D, 500W, 2 channels, 1-6S

Last items in stock

Smart dual-channel charger for 1-6S batteries, delivers up to 500W in synchronous mode for fast charging of a single pack or 2x250W for two batteries simultaneously. The color IPS screen and navigation wheel make settings quick and clear. Measures internal resistance on cells to check battery health, and Recycle mode efficiently discharges to storage.

109.62 €

Battery storage module, 2-6S, 1W, XT60

In Stoc

Plug and forget mode for bringing LiPo and Li-Ion batteries to storage voltage, automatically discharges up to 3.85V per cell and stops itself when reaching the target. Automatically identifies the number of cells, works with 2S-6S batteries on XT60 connector, 1W dissipation for controlled discharge and very low consumption after completion.

12.05 €

Storage mode for Lithium batteries, 2-6S, 0V mode, XT60 and XT30

Lithium battery storage module, 2-6S, 0V mode, XT60 and XT30

In Stoc

Practical way to bring Lithium batteries to 3.8V per cell storage voltage, ideal for long-term storage, supports 2S-6S packs and includes 0V jumper option for full discharge upon disposal. Features XT60 and XT30 connectors for quick compatibility, total voltage display and status LED for discharge monitoring.

14.06 €

Out-of-Stock

Lithium battery balancing and discharging module, 2-6S, adjustable

Out-of-Stock

Module for testing, balancing and discharging 2-6S lithium batteries, ideal for quickly checking the voltage on each cell and equalizing them for correct charging. It has button settings, XH2.54 connector for balancing, works directly from the connected battery, allows adjustment of the balance voltage and discharge threshold for LiPo, LiHV, LiIon and LiFe.

16.48 €

18650 battery terminal isolation ring, self-adhesive, white

18650 battery terminal insulation ring, self-adhesive, white

In Stoc

Self-adhesive ring for isolating the positive pole of 18650 batteries, useful for series or parallel assembly in battery packs, made of self-adhesive PVC cardboard for quick attachment and safe insulation, white color, thickness 0.30 mm, outer diameter 17 mm and inner 10 mm.

0.06 €

16.8V 2A Lithium 4S power supply with LED

Power supply 16.8V, Lithium 4S compatible, 2A, with LED status indicator, 220VAC

In Stoc

220VAC wall socket power supply with stabilized 16.8VDC output, ideal for charging 4S lithium batteries in electronic projects. Provides current up to 2A, has a 5.5x2.1mm cylindrical plug and LED status indicator, red when charging, green when fully charged. Recommended for users with basic technical knowledge.

8.99 €

Dual QC3.0 module, 6-32V at 5V3.4A, 9V2.5A, 12V2A, 24W

In Stoc

QC3.0 fast charging module with two USB outputs, ideal for powering and charging devices in cars, DIY projects or industrial equipment. Accepts 6-30VDC and provides up to 24W, with automatic 3-12V output depending on protocol, 90-97% efficiency and overvoltage, overcurrent, short circuit and temperature protections. Power supply via IN pads or 5.5x2.5mm.

4.22 €

Active balance mode, Lithium, 4S, 1.2A

In Stoc

Quickly and efficiently equalizes cells in 4S lithium packs up to 16.8V, through active balancing with energy transfer between cells without heating. Provides balancing current up to 1.2A for larger differences between cells, operates with 2-4.5V per cell, compatible with Li-Ion and LiFePO4, simple connection via XH-2.54 5P connector.

11.04 €

Active balance module, Lithium, 6S, 1.2A

In Stoc

Allows rapid cell equalization in 6S packs up to 25.2V, through active balancing with energy transfer between cells, without heat dissipation. Provides balancing current up to 1.2A for larger differences between cells, improving battery autonomy and life. Compatible with 2-4.5V cells, including Li-Ion and LiFePO4, easy connection via XH-2.54 7P connector.

16.68 €

Modules for Batteries