Description
The Efest SLIM K2 is a compact two-bay charger that makes it easy to keep rechargeable lithium-ion batteries ready at home or while travelling. Its Micro-USB power input allows it to run from a compatible USB wall adapter, power bank, laptop or other 5V USB source, making it a convenient option when space and portability matter.
Each charging bay works independently and provides up to 1A, allowing two different compatible battery sizes to be charged together. Individual LED indicators show the charging status of each battery, while automatic shutoff and built-in electrical protection help provide safe, straightforward everyday charging.
- Charging bays: Two independently monitored battery slots.
- Charging current: Up to 1A per slot when charging one or two batteries.
- Battery compatibility: Designed for rechargeable 3.6V and 3.7V lithium-ion and IMR batteries.
- Compatible sizes: 10440, 14500, 16340, 17340, 18350, 18490, 18500, 18650, 20700, 21700, 26500 and 26650.
- LED indicators: Individual indicators show when each battery is charging and when charging is complete.
- USB power input: Micro-USB input rated at 5V DC, 2A.
- Automatic charging control: Stops charging at approximately 4.20V and can resume if the battery voltage later falls to approximately 4.10V.
- Low-voltage activation: Can attempt to reactivate compatible deeply discharged lithium-ion batteries.
- Safety protection: Includes reverse-polarity, overcharge and short-circuit protection.
- Construction: Flame-retardant housing with piano-wire springs and hard-chromium-plated contacts.
- Dimensions: Approximately 100 × 46 × 26mm.
- Certifications: CE, FCC and RoHS certified.
Included: Efest SLIM K2 Charger, Micro-USB Charging Cable and Instruction Manual.
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