# Efest SLIM K4 4 Channel Battery Charger

**DESCRIPTION**  
  
SLIM K4 Charger is a intelligent charger that with a Type-C USB charging port. It is compatible with Lithium IMR 3.6V/3.7V batteries: 10440, 14500, 16340, 17340, 18350, 18490, 18500, 18650, 26500, 26650, 20700, 21700. LED indicator will show you the status of charger: indicator turns blue in standby mode/full charged, white color in charging. SLIM K4 Charger is designed with some smart functions, such as auto-detect charging, monitors and charges each slot independently, low voltage smart activation recovery function, 0V activation recovery function. Besides, it is safe for you to use with built-in intelligent protection chip.  
  
**Compatible with:**  

-   3.6V/3.7V Lithium Ion IMR Batteries – 10440, 14500, 16340, 17340, 18350, 18490, 18500, 18650, 20700, 21700, 26500, 26650

  
**Technical stuff:**  

-   Input – AC 100V-240V 50/60Hz or DC 5V 2A
-   Output – 4.2V +/-.05V

  
**What’s in the box:**  

-   Efest SLIM K4 LED battery charger
-   USB cable
-   User Manual and Warranty Card
-   Scratch-off validation serial number

## Details

- **Price:** 85.0 AED
- **Vendor:** Efest
- **Tags:** Charger

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 85.00 AED | In stock |

## Images

- Efest SLIM K4 4 Channel Battery Charger - Vape Escape UAE
- Efest SLIM K4 4 Channel Battery Charger - Vape Escape UAE
- Efest SLIM K4 4 Channel Battery Charger - Vape Escape UAE
- Efest SLIM K4 4 Channel Battery Charger - Vape Escape UAE
- Efest SLIM K4 4 Channel Battery Charger - Vape Escape UAE
- Efest SLIM K4 4 Channel Battery Charger - Vape Escape UAE
- Efest SLIM K4 4 Channel Battery Charger - Vape Escape UAE

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> Source: [Vape Escape UAE](https://vapeescapeuae.store/products/efest-slim-k4-4-channel-battery-charger)
> Updated: 2026-09-13