This battery protection board offers multiple layers of safety for your power tools, e-scooters, and more. Overcharge and over-discharge protection prevents battery damage. Overcurrent protection safeguards against abnormally high current. Balancing feature extends battery life by ensuring even voltage distribution. Stable heat dissipation from the aluminum substrate ensures safer operation. TVS safety protection absorbs anti-high voltage, reducing MOS tube breakdown. Ultra-low internal resistance MOS for efficient performance. Suitable for most power tools, electric scooters, electric bicycles, electric tricycles, electric motorcycles, electric vehicles, and more. Product Name: Battery Protection Board Product Type: 6 Strings 24V 40A (with equalization) Specifications: 6 strings ternary 24V-40A Product Size: 88 x 34 x 2.5mm Applicable: Nominal ternary 3.7V Overcharge: ternary 4.250.025V Discharge: ternary 2.750.1V Balance: 4.150.025V Working Temperature: -30/+80 Short Circuit Protection: 300US Self-consumption: 35UA Charging Voltage: ternary battery strings x 4.2V Discharge Current: 40A Charging Current (same port): 10A Main Circuit On-Resistance: 20MΩ Discharge Overcurrent Protection: 40±5A/70±8A Product Application: Electric vehicles, tricycles, low-speed vehicles, energy storage, UPS, solar inverters, high-power equipment, etc.