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Efest BIO V2 Intelligent Charger

BIO V2 charger can get two devices charged at the same time and can choose the charging output voltage by pressing the button on the top of the charger.

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  • Availability:

    In stock

    • Quantity
    • Price
    • 2--3
    • $28.03
    • 4--5
    • $27.15
    • 6-- More
    • $26.33

Product Description:

Efest BIO V2 Intelligent Charger has 2 charge channels with dual USB socket. So when there is fully charged bettery inserted in the charger, it can charge two USB devices. This BIO V2 charger make a big step in charging hours, because it has a button that can choose the output voltage when you are charging, which is faster than the Trustfire Multifunctional Charger TR-001 (500mA out).



Use special caution when working with Li-ion cells: they are very sensitive and may explode or burn if mis-handled.

Be sure that you have certain understanding about Li-Ion rechargeable batteries in charging, discharging and assembly before use.

Always charge in/on a fire-proof surface.

Use rechargeable batteries or with PCB batteries. Other types of batteries may cause personal injury.

Do NOT leave batteries charging unattended/overnight!



1. Double USB power port can get two USB devices charging at the same time.

2. With optional output voltage button with clearly marked number on the charger top: 0.5A, 1A, 2A, the bigger the number is, the quicker charging speed.

3. CC/CV charging system: constant currant/ constant voltage system.

4. Reverse-polarity protection.

5. High compatibility: 10440, 16340, 14500, 14650, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 22650, 26500 and 26650 Lithium batteries (no spacers needed)

6. Small size with USB port that can charge most USB devices such as: iPad, MP3, Mp4, PSP, cellphone etc with just one fully charged battery inserted.

Product name BIO V2 Intelligent Charger
Brand Efest
  12V 2A
USB Output
 5V 1A/ 5V 0.5A

Lithium batteries : 10440, 16340, 14500, 14650, 17500, 17670, 18350, 18490, 18500, 18650, 18700, 22650, 26500 and 26650 ect (no spacers needed)

Less than 16340 size batteries with spacers

USB devices: iPad, MP3, Mp4, PSP, cellphone etc

Color black
Package contents 1 x Efest BIO V2 Charger
1 x AC Wall Plug
1 x Car Charging Cable
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