Key Features
- Dual Independent Slots: Charges two batteries simultaneously with separate monitoring for each bay
- Intelligent Auto-Detection: Automatically identifies and begins charging within seconds of battery insertion
- Fast 1000mAh Charging Speed: Provides rapid recharging to each independent slot
- Wide Battery Compatibility: Supports 20700, 26650, 18650, 18500, 18350, 17340, 16340, 14500, 10440, and 26500 cells
- Low Voltage Activation: Recovery function revives deeply discharged batteries
- Comprehensive Safety Protections: Includes reverse polarity, over-charging, and short-circuit protection
- Automatic Shutdown: Stops charging automatically when batteries reach full capacity
- LED Status Indicator: Clear visual feedback on charging progress
- Durable Construction: Built from fire-retardant PC material with spring-loaded sliding platform and piano wire springs
Technical Specifications
Efest Slim K2 Battery Charger
| Parameter | Detail |
|---|---|
| Model | Efest Slim K2 |
| Slots | 2 |
| Charging Speed | 1000mAh per bay |
| Input | DC 5V/2A |
| Charging Port | MicroUSB |
| Compatible Batteries | 20700, 26650, 18650, 18500, 18350, 17340, 16340, 14500, 10440, 26500 |
| Material | Fire Retardant PC |
| Certifications | RoHS, CE |
| Safety Features | Reverse Polarity Protection, Over-Charging Protection, Short-Circuit Protection |
| Special Functions | Auto-Detect, Low Voltage Activation, Activation Recovery, Auto Stop Charging |
Package Contents
- 1 X Efest Slim K2 Two-Slot Battery Charger
- 1 X MicroUSB Cable
- 1 X User Manual












