This Battery BMS 3S 12V 25A Charger 18650 BMS Lithium battery protection board.It is use to protect the battery to prevent the battery from being over-discharged or over-charged during use, resulting in battery damage. Specification And Feature of 3S 25A BMS Battery Charging Protection For 18650 Cell: Overcharge voltage range: 4.25-4.35v 0.05v. Overdischarge voltage range: 2.3-2.7v 0.05v. Operating current: 0 – 25A. Operating temperature: -40 – 50℃. Instantaneous current: 35 – 40A. Storage condition: -40 – 80℃. Quiescent current: less than 30uA. Balance current: about 40 – 50mA. Effective life: more than 30000 hours. Internal resistance: less than 100m ohm. Short-circuit protection: protection, delayed self recovery. Length (mm):56.5 Width (mm):45 Height (mm):4 Package Include: 1X 3S 25A BMS Circuit Li-ion Battery Charging Protection 3SJH25A-C In Pakistan