This is the equivalent Nikon EN-EL3 EN-EL3A battery & charger for your camera

 

Outline Model Type Capacity Price 
Nikon D100 EN-EL3 EN-EL3A Digital Camera Battery BLI211
(EN-EL3
EN-EL3A)		 Li-ion 7.4v
1400mAh		 $31 Cdn
($27.04 US)

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-211P

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)