用的是BL-4U电池，通用的型号有E66/3120C/5530/5730/6212C/8900/6600S/5730XM/6730XM/5330XM/E75/5530XM/8800CarbonArte/8800Arte/8800Sapphire Arte/5250/C5-03/500/C5-06
E66
