Constant voltage of 1.5V output: Rechargeable AA batteries with high capacity of 3400mWh provide long-lasting and continuous power. Ideal for powering high-power devices like Floodlight Toys, home appliances, microphones, etc.
Safety Design: D cell rechargeable lithium batteries has built-in multiple safety protection systems, including overcharge, over-discharge, short circuit and overheating protection, ensuring safety during charging and use.
Built-in LED indicator: Flashing green means charging, static green means charging in progress. Advanced lithium charging technology can fully charge the battery in 2 hours, reducing waiting time.
1000+ Charging Cycles: Compared with disposable batteries, rechargeable lithium batteries are more in line with modern battery solutions, helping you reduce electronic waste, save money and save time.
Portable USB-C Charging Port: The included 2 2-in-1 cables are suitable for PC/plug/mobile power/car charger or 2.0A/3.0A adapter various charging interface inputs, which can very conveniently charge 4 rechargeable lithium batteries at a time.