Features: Applicable voltage: 60V, Applicable power: 800-1500W, Max. working current: 90A. Charge-discharge for protection, over-discharge for protection, temperature control for protection, short circuit for protection, 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:45A Overdischarge for protection voltage: 2.7V Overcharge for protection voltage: 4.25V Charging current: max. 45A High temperature discharge: 75 Low temperature charge: -7 Note: Please allow 1-3cm error due to manual measurement. pls 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 Battery for Protection Board