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1st set red colour +ve and -ve is black colour
Lithium Heavy Duty Solar USB Charger 2.0by BrownDogGadgets
USB Gadget Charging Stationby Horde111
USB grass charging stationby theREALcybercat
Charge Axim X50v from ANY USB charger + Sync problemsby scob89
Quick and Dirty Multi-USB Charging Stationby Treknology
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