【4 Pack Rechargeable D-Type Batteries】These rechargeable USB D-type lithium batteries can be used more than 1000 times, offering considerable savings compared to single-use D batteries.
【Rechargeable Lithium D Battery】Lithium d cell rechargeable batteries are mercury, cadmium, and lead-free, saving thousands of alkaline batteries and reducing landfill waste.
【USB Rechargeable D Batteries】No need for a charger or adapter, can be quickly fully charged within 2 hours using a 4 in 1 USB cable, simply plug into a USB port for easy charging.
【LED Indicator Management】During charging, the green LED light will flash, and after full charge, the LED light will remain on.
【Multiple Safety Protections】Built-in integrated safety circuit to prevent d batteries rechargeable over-discharge/over-charge, automatically stops charging when the battery is full, compliant with CE, ROSH, 2006/66/EC testing.