Turion - Great videos - Thanks for running those. It was very interesting watching the test in progress. I have a charger that has an on-board fan that I run from a sealed 12v lead acid motorcycle (or hobby) battery to charge my LiPo RC heli (Blade 400). I notice that when charging and I also hook up my 12v charger to the battery, the voltage increases immediately (the fan speeds up) and will continue to increase as the lead acid battery charges and again when the LiPo batteries are full and the charger goes to standby. The amp meter on the 12v charger will continue to decrease to 0 as the lead acid battery continues to accumulate a charge. Your test reminded me of that as you tested the voltages while the batteries were connected to the system. Although voltage is an easy way to get an estimate of the charge, the voltages might be lower if tested after the wires are disconnected. I would be interested in the specific gravity of each cell in each of the 3 batteries in phase 1 (before the test) and phase 3 (after an optimum run to maximize the charges). This is because specific gravity is considered by some to be more accurate than simple voltage as a test for remaining capacity. When using voltage, other factors have to compensated for to get a good capacity reading. A good hands off way to test capacity (you may have tried this) is to connect an inverter, a filament style light bulb, and an old style plug in electric clock (available at your local garage sale ) to a battery (set the clock at 12:00 and see where it stops). That would also be a good before and after test for all 3 batteries before and after). I really would be thrilled to see an increase of energy in the system after the run.
What do you think?
What do you think?
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