Key Features:

✔ Dual-Slot Charging – Charges two 18650 batteries simultaneously with independent channels for optimal performance.

✔ Wide Compatibility – Works with 3.7V Li-ion 18650 batteries (and other compatible sizes like 18700, 18490, 18500, and 17670).

✔ Smart Protection – Built-in overcharge, overcurrent, short-circuit, and reverse polarity protection to safeguard your batteries and devices.

✔ LED Indicator Lights – Clear charging status display:

• Red Light = Charging in progress

• Green Light = Fully charged

✔ Auto-Cutoff Technology – Automatically stops charging when the battery reaches full capacity, preventing overcharging and extending battery lifespan.

✔ Compact & Portable – Lightweight and space-saving design, perfect for home, travel, or on-the-go use.

✔ Fast & Efficient Charging – Optimized charging circuit delivers a steady current for quick and safe power replenishment.

Specifications:

• Input: DC 5V/1A (Micro USB or Type-C, depending on model)

• Output: 4.2V ± 1% / 500mA x 2 (per slot)

• Charging Time: ~3-4 hours per battery (varies by capacity)

• Compatible Battery Types: 18650, 18700, 18490, 18500, 17670 (3.7V Li-ion only)

• Material: Fire-resistant ABS plastic

• Dimensions: Approx. 105mm x 70mm x 30mm

Why Choose the HD-0688 Charger?

• Safe & Reliable – Advanced protection mechanisms ensure worry-free charging.

• User-Friendly – Plug-and-play operation with no complicated settings.

• Durable Build – Sturdy construction for long-lasting performance.

Ideal for: Vapers, flashlight enthusiasts, DIY electronics, power bank users, and anyone relying on 18650 batteries for daily use.

Package Includes:

• 1 x HD-0688 2-Cell 18650 Battery Charger

• 1 x Micro USB/USB-C Cable (varies by model)

Note: Batteries are not included. Always use high-quality, undamaged 18650 batteries for best results.