Features: Applicable voltage: 60V, Applicable power: 800-1500W, Max-. working current: 90A. Charge-discharge for protections, over-discharge for protections, temperature control for protections, short circuit for protections, etc. With a balanced charging function to balance the battery, make the battery pack has better consistency. Can be used for ternary batteries, manganese acid batteries and cobalt- acid batteries. Suitable for electric bicycles, scooter, electric mopeds, frequency converters, etc. Specifications: Material: plastic+metal Size: approx 11.4x6.4cm/4.5x2.5in Applicable voltage: 60V Applicable power: 800-1500W Max-. working current: 90A Continuous maximum- current: 50A Overdischarge for protections voltage: 2.7V Overcharge for protections voltage: 4.25V Charging current: max-. 50A High temperature discharge: 75 Low temperature charge: -7 Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Protection- Board