When you outside for a promotion show with our fluorescent board, you really need a mobile power to light it up.

The Rechargeable battery HQP2800 is what you are looking for.
A mobile power for your fluorescent writing board, Anytime, Anywhere.

Specification:
- High durability with extra power, can ran 15hours for a power of our writing board.
- Without memory effects over 1,000 cycles
- Built-in rechargeable battery protection circuits, highly safe
- Voltage:12V
- Capacity: 2,800mAh
- Diameter: 90mm
- Height: 22mm
- Charging time: 8hrs
- Charging temperature: 0~75°C
- Efficiency at high temperature: more than 90%