US Standard battery charger
1.Input: AC 100V~240V ;DC 12V(car adapter)
2.Output: DC 8.4V 600mA
3.American Standard with car

US Standard battery charger

 

Output: DC 8.4V±0.05V  600mA±50mA2. the battery charger (with DC hold) ;
3. the battery charger (with DC hold) + car adaptor
4. the American Standard charger + car adaptor + European Convert Head ;  this is Amercian standard .