4 S 14.8V 12.8V 30A Lithium Battery Protective Plate With Equalizer Lithium Iron Phosphate Battery Protection Board Product parameters 1. Self-use current: less than 30uA 2. Working current: up to 30A 3. Instantaneous discharge current: up to 40A 4. Overcharge voltage range: 3.7V Lithium about 4.25V, 3.2V LiFePO4 about 3.75V 5. Over-discharge voltage range: 3.7V Lithium about 2.5V, 3.2V LiFePO4 about 2.1V 6. Charging voltage: 3.7V Lithium about 16.8V-17V, 3.2V LiFePO4 about 14.4V-15V 7. Basic function: anti-overcharge, over-discharge, short circuit, over-current protection, with charging balance protection function 8. Weight: 3.7V Lithium about 18.1 g, 3.2V LiFePO4 about 17.9 g 9. Size: about 5.6 x 4.8 cm The described power range is suitable for the following products: 1. Massager battery packs, LED light backup power, 12V electronic products, solar street light battery packs, surveillance backup power, and other products Precautions: 1. Lithium battery protection plate can not be used for lithium iron phosphate batteries, hernia lamps, electricnic drill battery packs, can not be used for electricnic fishing machine battery packs, electricnic bicycle battery packs, children car batteries, more than 550 power-type motors, 1W fisheye LED lamps for the above combination of purchases of the customer, please note that 2. 3A current discharge products, battery discharge rate should be more than 3C 3. Multiplier formula: 1C multiplier battery, 2000 capacity equals to 2AHx1=2A working current; 3C multiplier battery, 2000 capacity equals to 2AHx3=6A working current 4. The battery will be hot in use is the battery multiplier is not applicable, this situation can not be used for a long time, the battery will be quickly damaged