I have a small wireless CCTV camera that I need to power from a rechargeable battery pack. It requires an 8v DC source and draws 120mA maximum current, 80mA minimum. Its currently powered by an AC-DC wall adapter, but I dont always have AC power available on the jobsite. The camera is used 3 or 4 times a day for about an hour each time. What is the best solution for this?
I was thinking of using a simple LM317 circuit to build an 8v voltage regulator and powering it with 10 Sanyo NiMH 2700mAh AA batteries connected in series. But is there a better solution?
I was thinking of using a simple LM317 circuit to build an 8v voltage regulator and powering it with 10 Sanyo NiMH 2700mAh AA batteries connected in series. But is there a better solution?