Universal 4-Slot USB Li-ion Battery Charger for 18650 14500 26650

Effortless, Universal Charging for All Your Li-ion Batteries

Keep your essential devices powered with the BMAX 4-Slot Universal USB Li-ion Battery Charger. Designed for maximum convenience and compatibility, this charger lets you rejuvenate multiple 3.7V Li-ion cells of varying sizes, ensuring you’re always ready for action. Its intelligent design and versatile USB power input make it the perfect charging solution for home, car, or on-the-go.

• Multi-Slot Simultaneous Charging: Efficiently charge up to four 3.7V Li-ion batteries at once, saving you valuable time and ensuring all your devices are powered.
• Broad Li-ion Battery Compatibility: This charger is your go-to solution, perfectly fitting 10440, 14500, 16340, 16650, 18350, 18500, 18650, and 26650 Li-ion battery sizes.
• Independent Smart Charging with Auto-Stop: Each slot charges independently with built-in automatic full-stop protection, preventing overcharge and extending your battery’s lifespan.
• Universal USB Power Input: Enjoy unparalleled flexibility by powering your charger from any standard USB source—including wall adapters, power banks, car chargers, or computer ports.
• Intuitive LED Indicators: Easily monitor the charging status of each battery with individual red (charging) and green (charged/ready) LED lights per slot.
• Compact & Portable Design: With its sleek black body and integrated USB cable, this charger is lightweight and easy to carry, making it ideal for travel and daily use.

Technical Specifications:
Charger Type: USB Li-ion Battery Charger
Brand: BMAX
Model: BH-042100-03U
Input: DC 5V 1-2A
Output: DC 4.2V 1000mA
Battery Compatibility: 3.7V Li-ion (10440, 14500, 16340, 16650, 18350, 18500, 18650, 26650)
Charging Features: Independent Charging, Automatic Full Stop, Overcharge Protection
Certifications: CE, RoHS
Usage: Indoor Use Only

Frequently Asked Questions

Q: What battery types are compatible with this charger?
A: This BMAX charger is compatible with a wide range of 3.7V Li-ion battery sizes, including 10440, 14500, 16340, 16650, 18350, 18500, 18650, and 26650.

Q: Does this charger prevent overcharging?
A: Yes, the charger features independent smart charging with an automatic full-stop function for each slot, which prevents overcharging and helps to extend the lifespan of your batteries.

Q: Can I charge different sized batteries at the same time?
A: Absolutely! The independent charging slots allow you to charge various compatible Li-ion battery sizes simultaneously and safely, each with its own status indicator.