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2 strings of lithium battery protection plates 7.4V 8.4V/13A working current/20A current limit overcharge and overdischarge protection -67326
product detail
2S 13A 20A 7.4V 8.4V 18650 Lithium Battery Protection Board Li-ion BMS PCM PCB High Current Lipo Battery Cell Pack Protect Module
Overcharge voltage range: 4.25-4.35v ± 0.05v
Size: 46 * 20* 3.6mm
Overpressure voltage range: 2.5-3.0v ± 0.05v
Upper working current: 13A
Operating temperature: -40 --- +50 ℃
Upper limit instantaneous current: 20A
Storage conditions: -40-- +80 ℃
Quiescent current: less than 10uA
Effective life: more than 50,000 hours
Internal resistance: less than 300mΩ
Short circuit protection: can be protected, need to charge recovery
Charging voltage: 8.4V-9V
The protection board size and device description;
The protective plate size is 46 * 20 * 3.6mm
Welding point Description:
· B + connected to the battery positive;
· B-connected battery negative;
· MB connects the battery 1 to the connection point before the battery 2;
· P + connected to the charge / discharge side of the positive (charge side / discharge side shared);
· P-connection / discharge terminal negative (charge / discharge side common)