18650 lithium battery charger

Dual-Slot Independent Charging: Features two dedicated charging bays to charge one or two 18650 lithium-ion batteries simultaneously with independent channel control.

AC Mains Direct Power Input: Plugs directly into standard household wall outlets (100V – 240V AC input), eliminating the need for separate bulky power adapters.

Smart Auto-Cutoff Protection: Integrated overcharge protection automatically terminates charging once cells reach full capacity (4.2V cut-off) to preserve long-term battery health.

Individual LED Status Indicators: Dual onboard LED lights provide clear, real-time status for each slot (red LED active during charging, green/blue LED when full or on standby).

Spring-Loaded Cell Contacts: Heavy-duty, spring-tension slider contacts accommodate flat-top and button-top 18650 cells while maintaining solid electrical contact.

Safety & Thermal Guard: Engineered with fire-retardant casing materials and short-circuit protection for safe, reliable everyday operation.

Housing & Casing Style: Durable, flame-retardant ABS plastic housing with integrated spring-loaded metal slider contacts.

Contact & Terminal Style: Nickel-plated steel spring terminals and standard 2-pin AC power cord/plug.

Technical Specifications:

Input Voltage: 100V – 240V AC, 50 / 60Hz.

Output Voltage: 4.2V DC -+ 1%.

Charging Current: Approx. 500mA–1000mA per slot.

Compatible Cell Chemistry: 3.7V Nominal Lithium-Ion (18650 size).

Color: Black plastic casing.

Usage Advice: Always observe correct battery polarity (+) and (-) indicated inside the charging bays before inserting cells.

Maintenance: Keep metal spring contacts clean and dry. Unplug from the wall outlet when not actively charging batteries.

Essential Everyday Charger: Position as the convenient, plug-and-play desktop charger for powering vape devices, high-lumen flashlights, portable fans, and DIY 18650 electronics.

Highlight Dual-Bay Convenience & Direct AC Input: Emphasize the ease of plugging straight into a wall outlet without needing extra USB blocks or power bricks.

Recommended Cross-Sell Add-ons: Pair with Dual Charger for 18650 14500 16430 Li-Ion, LiitoKala Lii-500 Lithium And NiMH Battery Charger, DC5V 1S Lithium Battery Compact Balance Charger, and 2 x 18650 Lithium Battery Shield Power Expansion Board.

Featured Collection Star: Display prominently on your Multi-brand Battery Chargers collection page under cylindrical smart bays.