Efest Mega UUSB Charger is a Dual bay compact battery charger for 18650 and 21700 batteries amongst others. It functions through a USB Connection and when combined with a 5V or 2amp power source will charge 18650s and 21700s at a 1 amp fast charge, while automatically switching to 0.5 amp charge when smaller batteries are recognised.
Efest Mega USB Charger
Efest Mega USB Dual Battery Charger features:
- Automatic change mode between 0.5A and 1A
- Safe charging mode: CC & CV
- Monitors and charges each slot independently
- 0 voltage activation recovery function
- Modern and industrial design
- Lightweight and portable
- High quality ABS fire retardant material
- 1x Efest Mega Usb Charger
- 1X Usb Power Lead
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I use rechargeable batteries often - whether it's in my vaping device or the remote for the telly so I needed a charger that could charge my bigger and smaller batteries. Safe to say that this charger has done a good job so far. Clever device, switching to a smaller charge for my smaller batteries. Would recommend.