# BMS Module 2S, 5A, Lithium, 7.4V

> 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.

- Page: https://sigmanortec.ro/en/bms-module-2s-5a-lithium-74v
- Price: 8.37 RON
- Availability: In stock; 1-2 zile
- Reference: 9372 · EAN: 5949078170947
- Category: Electronic components > Modules for Batteries > BMS Boards
- Specifications: Technology: Lithium Ion; Load voltage: 8.4VDC; sway: Not; Number of cells: 2S
- Package (shipping data): 0.001 kg
- Updated: 2026-09-23
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 04:14 (Europe/Bucharest)

## Description

Provides protection and balancing for a 2S 7.4V Li-ion pack, with overcharge, overdischarge, overcurrent and short circuit protection. Supports charging at 8.4V and continuous current up to 5A, with instantaneous peak of 7A. Compact size of 17.5mm allows mounting directly over a 18650 cell, operates between -40 and 80°C.
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 an 18650 cell.
Specifications:
Battery voltage: 7.4V
Charging voltage: 8.4VDC
Number of cells: 2
Maximum current: 5A, 7A maximum instantaneous peak
Load protection: 4.25 - 4.35VDC
Discharge protection: 2.5 - 3.0VDC
Operating temperature: -40 - 80°C
Diameter mm: 17.5mm