📱FUNCTION: Independent slot charger, our charger can charge 1-8 pcs AA rechargeable batteries. The charger supports independent charging function for single battery.The charger can charge only 1.5V rechargeable Li-ion/Lithium AA Batteries. 📱FEATURE: With advanced MCU control system, intelligent △Vand -△V cut-off charging tech, the charger turns to trickle charging automatically to prevent the batteries from over-voltage, over-current and over-heat. 📱DENTIFY AUTOMATICALLY:The charger can automatically identify non-rechargeable batteries, short-circuit batteries and deficient rechargeable batteries through the microcomputer IC, and will not charge these batteries to ensure safety. 📱SPECIFICATIONS: Charging Port: USB-C; Input Volt:5.0V-3A; Output Volt:5.0V Output Current:AA350mA*8.You're going to have: 8 x AA Li-ion rechargeable batteries; 1 x lithium AA battery charger; 1x Type C cable; 1 x User Manual. 📱TIPS: DO NOT charge when the LED light is flashing Red, it represents short, bad, or incompatible battery. Notices and Safety Instructions 1.Install batteries into the charger correctly by making sure the +/-pole of battery matches the +/- pole of the charger. 2.The charger can charge each battery independently, 3.The charger must be used at an operating temperature of 0-35C. 4.New battery will reach its best performance after 3-5 times of charge-discharge cycles. 5.Battery power will lose because of long-time storage, please charge the battery fully before using it again. 6.Please cut off the power supply after the batteries are fully charged. 7.It's normal that the battery becomes hot while charging. It will cool down to normal later, please feel free to use it. 8.DO NOT charge non-rechargeable batteries or other types of batteries. It may cause battery leakage, battery explosion, personal injury, and etc. 9.DO NOT charge batteries whose covers are damaged, or it may cause short circuit and a fire hazard. 10.Place this charger out of reach of children. Children should use this charger under supervision of adults.