EFEST Slim K2 Dual-Slot Battery Charger

Charge replaceable lithium-ion cells with the EFEST Slim K2 dual-slot charger. Its slim format supports two batteries, with two independent charging channels and LED indicators to monitor charging status.

Specifications

• Type: dual-slot external battery charger
• Independent channels: 2 × 0.5A
• Micro USB input: 5V/1A
• Output voltage: 4.2V
• Listed battery sizes: 10440, 14500, 16340, 18350, 18500, 18650, 20700, 21700 and 26650
• Status light: red while charging and green when complete

How to use

Place a compatible battery in a charging slot, aligning the polarity marks, then connect the charger to a suitable Micro USB source. Monitor the LED indicators and follow the manufacturer’s guide; remove the cells when charging is complete.

Care and safety

Use only with compatible, undamaged batteries. Do not leave cells charging unattended or mix unsupported types and sizes. Keep the charger and batteries away from heat and children.

Choose the EFEST Slim K2 to charge two compatible batteries in one compact unit.