Here is my Semi DIY Portable charger…
18650 battery @ 2400mah each=9600mah back up juice.
Charging rate
iphone/ipod/note=90 seconds per 1% increase
ipad2=120 seconds per 1% increase
BTW
my set here cost me only…
case RM25
http://www.suntekstore.com/goods-140023 … 0+Box.html
battery RM58 for 4pcs
http://www.ebay.com.my/itm/251003429715 … 1439.l2649
total only RM83 for 9600mah.