3.7V Li Ion Battery Charger With USB For RC Cars Boats Trucks Amphibious Stunt Toys Bazooka Rocket Blower Bubble Gun Batteries Do It All 2 Pin SM 2P Plug 4 In 1 Charger

4-in-1 3.7V Li-ion Battery USB Charger for RC Cars & Toys
✔️ 5V input, 0.5-2A, 3.7V output at 500mA for fast charging

This compact USB charger powers 3.7V two-pin lithium batteries used by RC cars, boats, trucks, amphibious stunt toys, bazooka rocket blowers, bubble guns, and similar toys. It offers convenient USB charging for on-the-go setups.

✅ 5V input and 3.7V 500mA output for fast charging
✅ Compatible with 14500 and 18650 3.7V cells
✅ 2-pin SM 2P plug connector for common battery packs
✅ Do not charge batteries over 2000mAh to avoid slow charging

💡 What is a 3.7V Li-ion battery charger with USB input used for in RC hobby setups? A handy USB charger keeps small 3.7V packs ready for action between sessions.

- Handy for charging 3.7V 14500 and 18650 cells in RC cars, boats, trucks, and bubble blaster devices - USB powered from 5V sources like adapters, power banks, or laptops - Uses a 2-pin SM 2P plug for common 3.7V Li-ion packs ✝️