Description
Efest SLIM K2 Intelligent Charger – Open Box (Charger & Cord Only, Tested & Working, No Box)
This is an open box item – includes the Efest SLIM K2 Charger and USB cord only. It has been tested and is fully functional. No retail packaging, manual, or additional accessories are included.
Charge your batteries efficiently with the Efest SLIM K2 Intelligent Charger. This dual-channel USB-powered charger delivers 1A per channel, offering fast and reliable charging for your 3.6V/3.7V lithium batteries. It features smart safety technologies like low voltage activation and reverse polarity protection, ensuring a dependable and secure charging experience.
Note: Please read the appropriate manual online to verify proper termination voltage settings for your battery type prior to use.
Key Features:
- Dual Charging Channels: Charges two batteries simultaneously at 1A each.
- Smart Low Voltage Activation: Revives batteries that have been deeply discharged.
- LED Indicators: Real-time charge status for each slot with clear LED feedback.
- Safety Protections: Built-in reverse polarity and overcharge protection for safe operation.
- Broad Compatibility: Works with a wide variety of lithium-ion battery sizes.
Compatible With:
Supports various 3.6V/3.7V lithium battery types: 10440, 14500, 16340, 17340, 18350, 18490, 18500, 18650, 20700, 21700, 26500, 26650.
Technical Specifications:
- Input: AC 100V–240V 50/60Hz or DC 5V 1A
- Output: 4.2V ± 0.05V
- Battery Cutoff Voltage: 4.20V ± 0.05V
- Auto Recharge Voltage: 4.10V ± 0.10V
- Compatible Battery Sizes: ✔ 18650, ✔ 20700, ✔ 21700
Included:
- Efest SLIM K2 Battery Charger (Open Box – Tested & Working)
- USB Charging Cable