Factory Price New AA USB Rechargeable Lithium-ion Battery 1.5V AA 5500mAh Constant Voltage Battery
High-capacity 5500mAh lithium-ion core ensures extended power for high-drain devices like cameras, gaming controllers, and smart home gadgets. Built-in USB-C charging port eliminates the need for external adapters, offering universal compatibility with any USB power source. Advanced constant voltage technology maintains a steady 1.5V output, preventing performance drops in sensitive electronics like medical devices and precision instruments. Durable ABS+PC casing with flame-retardant additives ensures safety during high-current discharge and frequent recharging cycles. Ideal for outdoor enthusiasts, professional photographers, and emergency kits—fully rechargeable in 2 hours for uninterrupted use. Bulk purchase available, backed by global wholesale pricing and direct factory supply for unbeatable cost efficiency.