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Our own design.The first dual core power banks in the world
Dual core power banks
Switch between lithium batntery for daily use and alkalinebatteries for temporary use
Built in 4800mAh lithium batteries and 4AA alkalinebatteries
It can charger for all mobile phone ,laoptops and otherelectronic device.
Small order will be accepted.
The First Dual Core Power Bank in the World
