13S/14S 20A/ 40A BMS Protection Board Balance with Same Port for 48V/52V Li-ion Battery Pack | 13S 14S BMS

Style: 13S 48V 20A
Sale price$19.99



Size: 76*53*10MM / 76*53*20M

Weight: 76g / 104g

Current: 20A 40A

Application: Nominal li-ion battery 3.7V


recharging current-

Charging current: <10A/15A

Internal resistance: <30mΩ


Overcharge protection-

Detection voltage: 4.25±0.025V

Detection delay: 1000±500MS

Release voltage: 4.15±0.05V


Over-discharge voltage protection-

Detection voltage: 2.75±0.1V Detection delay: 1000±500MS

Release voltage: 3.0±0.1V


Balanced voltage

Detection voltage: 4.15±0.025V

Detection delay: 100±50MS

Balance current: 42±5MA


Discharge overcurrent protection-

Detection voltage: 50MV

Detection delay: 1000±500MS

Current protection: 50±10A 100±20A


Short circuit protection-

Trigger condition: external short circuit

Detection delay: <300us

Release condition: disconnect the load



Working power consumption: <35UA

Sleep over discharge power consumption: <10UA

Operating temperature range: -30°~+80°C



Application range:

LED, solar street light, 18650 battery pack, power bank and other small lithium battery equipment.

Note: It can be connected with weak current switch, temperature control, GPS port.


Shipping list:

1X  13S 48V (Or 14S 52V) 20A/ 40A Li-ion Battery Protection Board with Balance at the Same Port


13s li-ion battery bms board with gps port
low resistance mos tube
13s 48v li-ion bms protection board components
13s 40a bms pcb board wiring diagram

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