Description
Efest Slim K1 Battery Charger
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Charge your FPV goggles and radio batteries with the simple, compact, and reliable Efest SLIM K1 charger. This single-bay USB charger is the perfect solution for pilots who need a portable and trustworthy way to charge their cylindrical Li-ion cells. It’s an essential tool for any FPV pilot’s workbench or travel bag.
Simple, Reliable Charging. The SLIM K1 is designed for straightforward operation. It provides a steady 1A charging current and features a simple LED indicator to show the charging status. Intelligent features like auto-detect charging and a low-voltage activation function can even help revive cells that have been over-discharged.
Built to Last Efest is known for quality, and this charger is no exception. It is constructed with a durable “piano wire” spring that provides a smooth and long-lasting sliding action for inserting and removing batteries. The chromium-plated steel cathode ensures low resistance and a more precise charging voltage, contributing to the health and longevity of your batteries.
Key Features:
- Compact & Portable: A slim, single-bay design makes it perfect for travel and field charging.
- Wide Compatibility: Charges a huge range of common 3.6V/3.7V Li-ion batteries, including 18650, 20700, 21700, and 26650.
- 1A Fast Charging: Provides a solid 1.0A charging current to get your batteries ready to fly.
- Comprehensive Safety Features: Includes reverse polarity, short circuit, and over-charging protection for peace of mind.
- Premium Construction: Features a high-quality piano wire spring and steel cathode for a long service life.
Compatible with: 3.6V/3.7V Lithium-ion Batteries, including:
- 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700, 22650, 26500, 26650
Specifications:
- Input: DC 5V 1A (via Micro USB)
- 1.0A CC Current: 1000mA±10%
- Auto Cutoff Voltage: 4.20V±0.05V
- CV Cutoff Current: <100mA
- Activation Current: 50mA−100mA
- Operation Temperature: 0∘C∼40∘C
Packaging Contents:
- 1x Efest Slim K1 Battery Charger
- 1x USB Cable
- 1x User Manual
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