# BMS module, 1S, for lithium battery

> 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.

- Page: https://sigmanortec.ro/en/bms-module-1s-for-lithium-battery
- Price: 2.71 RON
- Availability: In stock; 1-2 zile
- Reference: 33214 · EAN: 5945387560486
- Category: Electronic components > Modules for Batteries > BMS Boards
- Specifications: Technology: Lithium Ion; Load voltage: 4.2VDC; sway: Not; Number of cells: 1S
- 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 03:25 (Europe/Bucharest)

## Description

The 1S BMS module for Li-ion batteries provides charge and discharge protection, extending battery life in compact electronic projects. It offers 4.25V overcharge and 2.54V undercharge shutdown, supports charge and discharge current up to 2A and includes 3A overcurrent protection, with small dimensions of 40 x 4 x 3 mm.
Charging/discharging protection module for lithium battery, 1S, BMS.
Overcharge protection: 4.25±0.05V
Discharge protection: 2.54±0.1V
Maximum charging current: 2A
Maximum discharging current: 2A
Overcurrent protection: 3A
Dimensions mm: 40 x 4 x 3mm