This DC 4.2V 500mA Smart Charger is a fully automatic charging solution designed for 3.7V rechargeable Li-ion batteries, including 18650, 26650, 14500, and 16340 models. Engineered with a 3.5x1.35mm DC output jack, it is perfect for powering LED flashlights, torches, and compatible devices. The charger features an integrated LED indicator that displays charging status, from power-on to full charge. With a wide input voltage range (AC 100V–250V) and compact, lightweight design, it is an ideal travel companion for battery-powered equipment.

Key Features:

• Intelligent automatic charging with overcharge protection
• LED indicators for Power, Charging, and Full Charge states
• Compact and lightweight; perfect for travel
• Compatible with various Li-ion batteries used in flashlights
• EU plug with 3.5x1.35mm DC output

Technical Specifications:

• Input Voltage: AC 100V–250V
• Output Voltage/Current: DC 4.2V, 500mA
• Output Plug: 3.5mm x 1.35mm
• Supported Battery Types: 3.7V Li-ion 26650 / 18650 / 14500 / 16340
• Package Weight: 25g