Application: 1. Emergency start of the car2. Motorcycle LiFePo4 battery3. Electric drill and other tool LiFePo4 batteryParameters:Continuous Current: within 50AInstantaneous Current: Max 800ACharging Voltage: 14.8V~16VCharging Current: within 20ABalance Current: 40mahOvercharge Protection: single cell 3.75V0.025VOver-discharge Protection: single cell 2.00V0.05VShort Circuit Protection: yesBoard Weight: 85gApplicable Assembly: nominal 3.2V LiFePo4 batteryLoad : Within DC 12V 600W. Motor starting current less than 800AAccessory Type: Charger AccessoriesType: 4S LiFePo4 battery protection boardcolor:As shownMaterial:PC+Metalsize:63 x 90 x 9mmPackage Contents:2 x 4S LiFePo4 battery protection board2 x CableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.