My understanding is any V3 will run on 6v-12v, only question is to what voltage the low batt and shut-off are calibrated. If not calibrated for your particular voltage, the V3's low batt indicator and shut-down won't function correctly. Only potential problem I can think of is you may discharge your batt too much. I don't know of any reason you wouldn't be able to calibrate the V3 for a 9.6v power source if that's what you wanted to run. Graces has the calibration procedure posted on their website in the support area. Wanna make sure and not trust us hacks? Give Grace a call, quality customer service, IME.