Introduction of adapter:
The wonder lies in its adjustable spring, it can hold different sizes of lithium-battery. The handle of the spring is the negative electrode of the power supply.
The positive electrode is on the other side, which is out of spring area. In addition to this, there are two battery nests in it. So you can charge two lithium-batteries in the same time.
With no doubts that it should be charged with its dedicated USB cable charger with plugged in a power socket. It plays an important role in the connection between the adapter and a power socket.
1. Delicate and easy to carry
2. Energy-efficient and environmental
3. High-capacity power
4. It takes less time to quick charge battery.
5. It can charge nearly all kinds of lithium-battery.
6. Short-circuit protection function
7. You can still charge if you reverses the polaritiesof your lithium-battery.
8. It can be compatible with not only 18650 and18350 lithium-batteries, but also other lithium-batteries.