【3600mWh Ultra-High Capacity | 1.5V Constant Voltage, Safe for Devices】 Product Size:(72*71.5*52)±5mm/(2.84*2.81*2.04)±0.2inch.Each battery provides a 3600mWh ultra-high capacity with a stable 1.5V output, making it safe and friendly to your devices without causing damage (Note: The charger is only compatible with 1.5V rechargeable Li-ion/Li AA batteries).

【IP67 Waterproof Design | Leak-Proof, Safe for Long-Term Storage】 Both the battery and charging case feature an IP67 waterproof design to prevent leakage. Additionally, when batteries are not used for long periods and their capacity drops, the charging case can repair the batteries, ensuring longer life and reliable use.

【High-Efficiency Fast Charging | Fully Charged in 2-3 Hours】 With a 350mA fast pulse charging current, the battery can be fully charged in just 2-3 hours, greatly reducing your wait time. The Type-C charging port supports multiple input devices, such as power banks, laptops, and car chargers, making charging more flexible.

【Portable All-in-One Design | Flexible Charging and Storage】 The charger features a magnetic design with individual slots to charge each battery separately. It can charge up to 8 batteries simultaneously. Even if the battery voltage is 0V, the charger can activate and refresh the battery.

【Safe and Reliable | Intelligent Protection Features】 Using an advanced MCU control system with smart AV and -AV cut-off charging technology, the charger automatically switches to trickle charging to prevent overvoltage, overcurrent, and overheating. The charger also automatically detects non-rechargeable, short-circuited, and low-capacity batteries, ensuring safe charging.