2-cell Surveyor LiPoly/Li-Ion fast automatic charger with integrated "wall wart" power supply. This is the same charger that comes with the Surveyor Robot. Just plug it into the wall and battery and you are all set.
2 cell LiPoly or Li-Ion
3.5mm plug
Charger Input: 100-240V AC (wall current)
Charging Time: approx 1 hour per 1000mAh
Two color LED Display: red is charging, green is charged