2S 20A BMS Charger 18650 Lithium Li-ion Battery Balance Protection Board

2S BMS 10A (Self Recover)

Specification: Size: 41x16x3.5mm Maximum operating current: 8A Upper limit instantaneous current: 10A Overcharge voltage range: 4.25-4.35v ± 0.05V Over-discharge voltage range: 2.5-3.0v±0.05v Quiescent current: less than 30uA Charging voltage: 7.2v-8.4v Short circuit protection: can be protected, delayed self-recovery. The main function:  Overcharge protection, Over discharge protection, Short circuit protection, Overcurrent protection. Wiring instructions: B+ is connected to the positive electrode of the battery; B- connect to the negative electrode of the battery; MB is connected to the connection point before battery 1 and battery 2; P+ is connected to the positive electrode of the charge/discharge terminal.

2S BMS 20A (Balanced)

Product description 2S 20A 7.4V 8.4V 18650 Lithium Battery Protection Board BMS Balance Version Specifications: Applicable scope: Suitable for lithium batteries with nominal voltage of 3.7 V and full voltage of 4.2 V (including 18650, 26650, polymer lithium batteries, without limitation on the dimensions.  Product size: 45 x 15 x 3.4 mm (standard), 48 x 20 x 3.4 mm (balancing).  Charging voltage: 8.4 V – 9.0 V.  Continuous discharge current (upper limit): 20 A (if the cooling environment is not good, reduce the load current use) Continuous charge current (upper limit): 10 A.  Balanced version: suitable for starting currents below 25A and below 50W power drills, or resistive loads below 168W, with balanced charging function.