USB Rechargeable C BatteriesNo 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.
4 Rechargeable C-Type BatteriesRechargeable USB C-type lithium batteries, can be reused over 1200 times, saving you a significant amount compared to disposable c batteries.
LED Indicator ManagementDuring charging, the LED light will remain red (old model) /flash green (new model), and after full charge, the green LED light will remain on.
Multiple Safety ProtectionsBuilt-in integrated safety circuit to prevent lithium c batteries rechargeable over-discharge/over-charge, automatically stops charging when the battery is full, compliant with CE, ROSH, 2006/66/EC testing.
Rechargeable Lithium C BatteryLithium c cell rechargeable batteries are mercury, cadmium, and lead-free, saving thousands of alkaline batteries and reducing landfill waste.
Troubleshooting Steps: Check
the cable: Try charging the battery with a different USB-C cable. If the indicator light turns on, the original cable is faulty.
Check the battery: If a different cable doesn' t work, the charging port may be loose, or the battery may have been damaged during shipping. Do not use a damaged battery. Please contact messule customer service immediately for a solution.