ITEM NAME:2S 8A 7.4V balance 18650 Li-ion Lithium Battery BMS charger protection board BX Description: 2 series 7.4V lithium battery Model: HX-2S-JH10 Size: 40*17*3.5mm Over-discharge voltage range: 2.5-3.0v ±0.05v Overcharge voltage range: 4.25-4.35v ±0.05v Upper limit working current: 8A Upper limit instantaneous current: 10A Working temperature: -40--- 50  °C Storage.Upper limit working current: 8A. 2 series 7.4V lithium battery.  · B is connected to the battery positive pole;.  · B- is connected to the negative pole of the battery;. Short circuit protection: protection, disconnect load delay self-recovery.