Are you familiar with RC cars? They have 9.6V rechargeable batteries that will work, I know, im using one for my robot. It doesn't last 2 hours but thats because it is only rate for 1500mAh. You need like 3 - 4000 mAh for continious uses.
Are you familiar with RC cars? They have 9.6V rechargeable batteries that will work, I know, im using one for my robot. It doesn't last 2 hours but thats because it is only rate for 1500mAh. You need like 3 - 4000 mAh for continious uses.