Also got a dealerextreme p7 and for value and brightness nothing comes close, 35 quid with charger etc before the doller against pound changed,

NEVER found it not bright enough and Ive ridden on narrow tracks alongside rivers where if yopu turned lights off could see virtually nothing. Ive found run time more then enough but changing a batterys a 30 second job

Really I dont get why people would spunk hundreds