1. Input: DC 5V 1-2A
2. Output: 4.2V 1A
3. Power supply mode: USB direct plug
4. Compatible battery models: 10440, 14500, 16340, 16650, 14650, 18350, 18500, 18650
5. Size: about 12 x 9 x 3cm
6. Weight: about 106g
7. Description: only the charger, excluding other items such as batteries in the picture

Features:
1. Slot design, can charge a variety of batteries, fasten the card position to avoid poor contact, convenient and effective
2. LED lights show charging status
3. Environmentally friendly engineering plastic material, high temperature resistance, safe heat dissipation
4. Intelligent compatibility, 4-slot independent control, no influence on each other
5. Smart chip technology, overcharge/overcurrent/overtemperature/short circuit/reverse connection/overdischarge protection
6. 5V USB power supply, average speed current limiting design