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 longer Stable heat dissipation, stable heat dissipation of the aluminum substrate, safer TVS 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: Lithium battery protection board Product type: 24S 72V 80A (with Equalization temperature control) Specifications: 24S Lithium Iron 72V 80A Iron lithium battery nominal: 3.2V Overcharge: Iron Lithium 3.650.025V Overdischarge: Iron Lithium 2.350.1V Equalization: Iron Lithium 3.50.025V Current: 80A Charging current (same port): less than equal 30A Main circuit on-resistance: less than equal 10Mohm Discharge overcurrent protection: 40080A Temperature control protection: charge at 75C, discharge at 75C Working temperature: -20/+80 Short circuit protection: 350US Self-consumption: less than equal 40UA Product application range: for Electric vehicles, tricycles, motorcycles, electric vehicles, solar inverters, high- equipment, etc Product size: 145x65x10mm Colour:blue Material:PCB+Metal Package Contents: 1 x lithium battery protection board 1 x cable Only 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.