BT10 battery is compatible and suitable for most home emergency equipment and various power equipment - children's toy cars, small solar lighting systems, wireless surveillance cameras, small portable sound systems, car chargers, electric game controllers. Additional Details ------------------------------ Bullet point: 【High quality】12V 10Ah Lithium LiFePO4 Battery can provide 4000+ cycle energy storage, ensuring longer lasting use. MPPT has a high efficiency rate of 99%, a high conversion efficiency rate of 96%, and has the ability to wake up the battery.You can increase the power and capacity of the battery by connecting BT10 in series and parallel in order to meet your different needs. Product description: BT10 battery is compatible and suitable for most home emergency equipment and various power equipment - children's toy cars, small solar lighting systems, wireless surveillance cameras, small portable sound systems, car chargers, electric game controllers.