2S Protection Module for 7.4V Lithium-Ion Battery Packs – 4A

Protection module for 7.4V - 4A lithium-ion battery packs, designed to keep lithium batteries in a 2S configuration safe and efficiently managed. It provides overcharge, over-discharge, over-current and short-circuit protection, for long life and reliable performance of the battery pack.
2S Protection Module for 7.4V Lithium-Ion Battery Packs - 4A - Image 1
2S Protection Module for 7.4V Lithium-Ion Battery Packs - 4A - Image 3

SKU 1606-2S4A18650EAN 8219671114325Format: 14500, 17335, 18500, 18650, 2SOutput voltage: 7.4 Vdc,

Description

This BMS (Battery Management System) module is designed for battery packs made up of 2 lithium cells (18500, 18650, etc.) of 3.7 volts. Its main job is to balance the charge across the cells and to protect the pack against overcharge and over-discharge. The module can be used both with solder-tab cells and with conventional ones, using a suitable battery holder sold separately (see related products).
Battery wiring diagram
2S4A18650 - Battery wiring diagram

Technical details

Module dimensions 34.45 x 16.22 x 1.47mm
Maximum working current 4A
Charging voltage 9-12V
Over-discharge voltage 3V
Overcharge detection voltage 4.29V
Over-current detection 9.8A

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