I was a little dubious about this charger after reading some unfavourable reviews but since there were many positive ones and a UK presence for backup I went ahead. Very well made and rugged with most common adaptors supplied, with others available from Powertraveller. Charges my Nokia phone and DS Lite, no problem. Using the solar charger to recharge the powermonkey rated at 2200mAh it still charges on a sunny indoor windowsill, albeit slowly, but performs much better outside on a sunny or even a cloudy day. Manufacturers claims for charging rates are pretty much correct. If you are going where there is no power (ie moderate populated camping sites)then it will charge your phone and small gadgets ok. For going further afield into the wilds I would want something more powerful like the solar & power gorilla which approx. 5 x the price