Overcharge and discharge protection to prevent overcharge and discharge of the battery. Overcurrent protection to prevent abnormal high current of battery Balance protection, battery voltage balance, make battery life Stable heat dissipation, stable heat dissipation of the aluminum substrate, safety protection absorbs anti-high voltage, reduces MOS tube breakdown, ultra-low internal resistance MOS Suitable for most electric tools on the market, electric scooters, electric bicycles, electric tricycles, electric motorcycles, electric vehicles, electric tools, etc. Product name: battery protection board Product type: 16S 48V 80A (with Equalization temperature control) Specifications: 16S Lithium Iron 48V 80A Iron lithium battery nominal: 3.2V Overcharge: Iron Lithium 3.650.025V Overdischarge: Fe- 2.350.1V Equalization: Iron Lithium 3.50.025V Current: 80A Charging current (same port): less than 20A/ less than 30A/ less than 30A Main circuit on-resistance: less than 15Mohm Discharge overcurrent protection: 15030A/20040A/23050A Temperature control protection: charge at 75C, discharge at 75C Working temperature: -30/+80 Short circuit protection: 300US -consumption: less than 35UA Product application range: for LED, solar street lights, and other small lithium battery equipment, note: can be equipped with weak switch port, temperature control, GPS port Product size: 130x62x10mm Colour:blue Material:PCB+Metal Different production batches, the appearance details will be somewhat different, subject to the actual product, does not affect the use Package Contents: 1 x lithium battery protection board 1 x cable Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.