The London-based engineers announced in February their intention to connect 1GW of storage in Britain and elsewhere by 2026. to mess with.Pulse Clean Energy has signed a partnership with power innovator and PV kit-maker Canadian Solar to convert four UK-resident diesel generators into 100MWh of grid-scale batteries. This puppy is heavy! I will let you know how it goes. I have just treated, drained and rinsed a 400/1200 amp battery and have it on the charger at the moment. He ran his tester on it and it is working as good as new. Ok, I finished treatment on the battery that wasn't overheating gave it a good long 2amp charge and took it back to the place I got it from. What is causing the problem with the overheating? I had tried to charge it prior to dumping the electrolite and adding EDTA but it wouldn't take much charge at all, but didn't overheat. back on the charger at 2amp and it is still getting hot to the touch, so I again removed it. The 2nd one I treated heated up a bit then settled down to just warm with a 2amp charge. I treated and placed on a 2 amp charge and it is getting too hot to touch, so I disconnected it for a cool down. I checked on of the marine deep charge bats. due to the plates being so thin, has anyone tried EDTA on an automotive bat. to remove all EDTA and could this be done using tap water since it is just a rinse and not left in the cells? I noticed in the info from Trailhead that EDTA should not be used on automotive starter bats. I'll have to try to skim that off in the future, provided it stays on the top.Īfter dumping the EDTA solution prior to adding new electrolyte should you rinse out the bat. I thought such a minute amount should not hurt anything.īIG MISTAKE! Cell number 6 now has what looks like pond scum floating on the top. In my haste I used tap water to mix the EDTA in. With the 6A charge rate (4 + 2) battery voltage is now on the rise. When a supplemental charge was induced by a 6A automotive charger, it was noted that the charge rate is now at 4A instead of the 3A (before EDTA). Voltage on the battery was falling even though it was connected to a constant current charger (2A). The instant I added 1 tablespoon per cell, the cells started fizzing away and the peak meter started registering a 0.1 volt drop per minute on the set pulse setting.Īhaaaaaaaaaaa! the dropping pulse voltage was attributable to dropping battery voltage. I had a pulser/peak meter hung on the batt and the readings, up until now were slow to change. As it is a freebee, I wasn't concerned about results. Incredible! I mixed up some EDTA and injected it into 4 cells of a pokey J185HC. If this can be brought back to fully functioning life, I suppose my next little experiment will be to see if the process can be accelerated with application of convection currents (heat applied at the bottom, cooled at the top), vibration or possibly slowly rotating it (sort of a shake and bake). My goal is to eventually find a good treatment regimen for shorted cell batts. I'm probably the only guy in the world to rescue a $20 motorcycle batt with $30 worth of EDTA With each new dose of EDTA and an overnight soak more and more brown are visible. Most of the time it remains in the lower regions. The power supply jumps up into the 13V range from time to time. It is at the negative end of the cell string. ![]() I figured if some EDTA remained it wouldn't hurt.Īfter pulsing for one week the battery is now totally clean and the charge amps when the power supply is set for 13.2 now reads 0.00 I dumped the EDTA solution and refilled with electrolyte. Overnight the voltage popped up into the 13V range. I filled up the battery, attached a charger and a pulser. I dissolved 2 Tablespoons in 2 quarts of water. Soooooooooooo, I finally took the plunge and ordered 2 lbs of EDTA from Trailhead Supply. The first had a shorted cell and the second had multiple shorted cells.Īfter weeks of pulsing and other battery torture the first batt refused to give up it's shorted cell. Picked up two freebees at the recycling center.
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