Kratax 3700mWh AA Rechargeable Lithium Batteries with Charger, 12pack high Capacity Double A li-ion Batteries 1.5v, Long Lasting, Ultra-Thin Battery Charger with AA Lithium Battery Rechargeable

High-Capacity & Stable Output: Kratax AA lithium batteries rechargeable with 3700mWh high capacity and stable voltage and current output ensure more stable device performance. Up to 3A of current output is ideal for high-current applications, with over 2000 cycles. Lower Self-Discharge & Multiple Safety Protections: Kratax AA rechargeable lithium batteries retain 80% of their charge even after months of storage, making it easy to replace depleted batteries when needed. They also feature an intelligent protection IC chip, an explosion-proof module, and multiple charging protections to ensure battery and device safety. Smart LED Display: Ultra-thin charger flashing green light indicates charging. Solid green light indicates a full charge. Flashing red light indicates short circuit, incorrect battery type or battery +/- polarity errors. The charger has a 0V activation function that allows charging even 0V batteries. High-Capacity & Stable Output: Kratax AA lithium batteries rechargeable with 3700mWh high capacity and stable voltage and current output ensure more stable device performance. Up to 3A of current output is ideal for high-current applications, with over 2000 cycles. Lower Self-Discharge & Multiple Safety Protections: Kratax AA rechargeable lithium batteries retain 80% of their charge even after months of storage, making it easy to replace depleted batteries when needed. They also feature an intelligent protection IC chip, an explosion-proof module, and multiple charging protections to ensure battery and device safety.