This is the equivalent EN-EL7 battery for your Nikon CoolPix 8400 8800 Digital Camera

 

Outline Model Type Capacity Price 
Nikon EN-EL7 CoolPix 8800 Digital Camera Battery DLNEL7
BLi-267		 Li-ion 7.4v
1100mAh		 $55.85Cdn
($50.44US)

EN-EL7 Battery Charger

Outline Model Description Price
Samsung SC-D351,SC-D352,SC-D353,SC-D354,SC-D355,SC-D557,SB-LS80,SC-D6550,SB-LSM80 Camcorder Battery Charger VBC-267P

Works in the car or at home - AC and 12V DC power adapters included.
120 volt
 (Specify in comments if 100/220 volt is required+$15Cdn)

 $41.17Cdn
($36.80US)