# Efest Slim K1 Single Bay Battery Charger | K1 | Wolfvapes

**Efest K1 Slim Battery Charger** is a professional portable one slot Li-ion Battery charger with a Micro USB charging port. Packed into a small body making it highly portable and yet has every function you would expect in a smart charger, from fast charging to reverse polarity protection. A quality charger for customers on the go, the **EFEST Slim K1** will not let you down.

**Features:  
**Convenient LED Indicator1A fast chargeAccepts 3.6V or 3.7V batteries of various sizesReverse polarity protectionAuto-detect chargingOver-charge protectionShort circuit protectionMicro USB to USB Connection makes this very portableCompatible with: 20700,26650,18650,18500,18350,17340,16340,14500,10440,26500

## Details

- **Price:** 7.99 GBP
- **Vendor:** Efest
- **Type:** ACCESSORIES
- **Tags:** Charger

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 7.99 GBP | In stock |

## Images

- buy Efest Slim K1 Single Bay Battery Charger | K1 | Wolfvapes at Wolfvapes.co.uk

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> Source: [Wolfvapes.co.uk](https://wolfvapes.co.uk/products/efest-slim-k1-charger)
> Updated: 2026-05-26