inputs.text: use charge asus eee pad transform tf101 - looking battery pack charge asus tf101 transformer choose device far job fine battery pack full charge device 3 hours batter pack still juice left charge tf101s battery another 40 total 140 gave four stars manual comes written pigeon english also customer support friendly enough no help clearly no technical knowledge product laptops tablets general asked thehem could use charge pad gave thehem link basically told go figure since transformer unique charge requirehements could not find battery pack worked box transformer combined following itehems 12v 2 amp usb car charger nice wwwamazoncomgpproductb005l8q4vurefoh_o06_s00_i00_details cigarette lighter socket wwwamazoncomgpproductb0006tirzarefoh_o04_s00_i01_details dc power plug cable wwwamazoncomgpproductb000lfvfk8refoh_o04_s00_i00_details battery pack obvious parts must connected soldering power plug cable lighter socket make sure first test wired cables center socket plus edge min easy enough test multimeter also charging need set output 19v connect device 12v 16v reasons unknown not work