... ( Figure 2)3, 12V lithium battery ( Figure 3)4, solar power voltage controller ( Figure 4)5, 12V car power outlet ( Figure 5 ... vehicle batteriesMethod of use: use battery clip to connect between solar controller on 12V power and automobile battery, or 12V power plug ... 1-3 hoursC, digital camera rechargeable 1-3 hoursD, PDA charger 1-3 hoursE, MP3 player charging 1-3 hoursF, portable ...