The Model BS-18650-2 is an advanced, two-slot smart charger engineered for simultaneous charging of 3.7V/4.2V Li-ion rechargeable batteries. Equipped with a modern USB Type-C input, this unit provides independent circuit management for each slot, ensuring optimized power delivery and safety for various battery sizes.
This dual-slot charger is an essential tool for users requiring efficient and reliable power for high-drain electronic devices.
Dual-Slot Independent Charging: Features two fully independent charging bays, allowing you to charge two batteries of different sizes or capacities at the same time.
Universal Size Compatibility: The spring-loaded tension system supports a wide range of Li-ion cells, including 18650, 10440, 14500, 16340, 16650, 14650, 18350, and 18500.
Modern USB Type-C Interface: Utilizes a Type-C input for easy connection to contemporary power sources such as wall adapters, laptops, and portable power banks.
Intelligent Safety Circuitry: Integrated Battery Reverse Protection automatically cuts off power if a battery is inserted with incorrect polarity, preventing damage.
Real-Time LED Progress Monitoring: Dual LED displays provide clear visual feedback on the charging status for each individual battery slot.
Output Voltage: 4.2V.
Charging Current: 1A Total.
Battery Chemistry: Li-ion.
Charging Slots: 2-Slots with Independent Circuits.
Included Accessories: USB-A to USB Type-C charging cable.
Professional Photography: Reliable charging for high-capacity Li-ion cells used in camera flashes and portable lighting.
Outdoor & Tactical Gear: Efficiently keep pairs of 18650 batteries ready for high-lumen tactical flashlights.
Consumer Electronics: Ideal for maintaining batteries used in portable fans, wireless mice, and hand-held gaming devices.
Travel Kits: A compact, lightweight, and versatile charging solution that fits perfectly into any tech or travel bag.
Can I charge two different battery sizes at once? Yes. Because each slot is controlled by an independent charging circuit, you can safely charge a large 18650 battery in one slot and a smaller 14500 or 16340 battery in the other without issue.
How do I know when the charging is complete? The charger features independent LED indicators for each slot. The light will change state (typically from red to green) once the specific battery in that slot has reached its full 4.2V charge.
What type of power adapter should I use? Since this unit uses a USB Type-C input, it is compatible with standard 5V USB wall chargers, car adapters, or power banks. For the fastest performance, using a 2A output wall adapter is recommended.
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