3S 5A BMS Battery Management Protection module

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Sold By: HatchnHackSKU: C09-58

Sale price₹ 69.00 Regular price₹ 87.00

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This is a 3S 5A BMS (Battery Management System) Protection Circuit Module for the 3S battery pack. It is widely used in all battery packs, such as monitoring UPS, solar street lamps, etc. The main functions are over-charging protection, over-discharging protection, over-current protection, short circuit protection, temperature protection, balance function etc.


  • According to your essentials, it can be applied to a Li-ion battery or LiFePO4 battery pack.
  • The protection board is made of high-quality MOS (such as Infineon MOS) and imported IC (Mitsumi) to keep your battery for longer cycle life.

  • when with a high working current, the high-quality aluminium alloy heat sink has a good heat dissipation function.

Connection Instruction

  1. (B-): Connect Battery Cell = 0V
  2. (B1): Connect Battery Cell = B1+/B2-
  3. (B2): Connect Battery Cell = B2+/B3-
  4. (B+): Connect Battery cell = B3+
  5. (P-): Connect Load-/Charger-
  6. (p+): Connect Load+/Charger+
Over-discharge detection voltage 2.3-3.0V±0.05V
Current 5A
No. of Connections Point 06
Short circuit protection Yes, delayed self-recovery
over Current Protection
Dimensions 53.2x17.7x3.6mm
Country of Origin China

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