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4.5 (123)

Efest SLIM K2 2 Channel Battery Charger

Name: IMR Batteries Efest SLIM K2 2 Channel Battery Charger - Efest SLIM K2 2 Channel Battery Charger
Brand: IMR Batteries
SKU: 43742157307961
Price: 6.99 USD
Availability: InStock
Rating: 3 (2 reviews)

4.5 (1,234)

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Color

Black

Quantity

Description

Power your devices efficiently with the Efest SLIM K2 Intelligent Charger. Designed for versatility and ease of use, this dual-channel USB-powered charger delivers a seamless charging experience. With 1A output per channel, it ensures fast ...

Reviews

3.0

2 ratings

The Efest SLIM K2 does not reliably change the charge indicator light from white (charging) to blue (idle). I don't trust these chargers. If I wiggle the 18650 battery, it will flicker between white and blue status and in certain positions the white charge indicator will stay on indefinitely when the batteries are fully charged.

Mike · February 4, 2026