Overcharge and discharge protection to prevent overcharge and discharge of the battery. Overcurrent protection to prevent abnormal high current of batteryBalance 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 MOSSuitable for electric tools on the market, electric scooters, electric bicycles, electric tricycles, electric motorcycles, electric vehicles, electric tools, etc.Product name: Lithium battery protection boardSpecifications: 20S Lithium Iron 60V 40ACurrent: 40ADischarge overcurrent protection: 15020AIron lithium battery nominal: 3.2VOvercharge: Iron Lithium 3.650.025VOverdischarge: Iron Lithium 2.350.1VEqualization: Iron Lithium 3.50.025VMain circuit on-resistance: 15MTemperature control protection: NOWorking temperature: -20/+80Short circuit protection: 300US-consumption: 40UAProduct application range: for Electric vehicle, electric motorcycle/tricycle, electric vehicle, high-power equipment, etc. Note: weak current switch port, temperature control port, GPS port can be installed, etcProduct size: 130 x 62 x 10mmMaterial: PCB+Metalcolour: BluePackage Contents:1 x lithium battery protection board1 x cableOnly 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.