![]() ![]() The red clip is connected to the positive pole of the battery, and the black clip is connected to the negative pole of the battery. The appearance is exquisite and compact, convenient and portable.ġ. Overheat, overcharge, short circuit reverse polarity protection. Intelligent digital display, can display power, voltage, temperature. Not only can it be charged, it can also detect the battery. Support 110-265V input power supply, easy to cope with all kinds of harsh voltage environment. Made of ABS flame-retardant shell, corrosion-resistant, insulating, sturdy. That makes the situation better than it could be.Andowl 12V Intelligent Pulse Repair Charger Q-DP9921 Prius batteries are built more like deep-cycle batteries than like starting batteries, because they don't need to start anything. ![]() but Gen 3 also has a temperature sensor above the battery, so maybe that helps. Gen 3 boosted the charge voltage, and AHetaFan measured its charge current reaching 60 or 70 amps if the battery is discharged enough. The first couple Prius generations had a fairly low charge voltage, and probably weren't likely to damage the discharged battery during recharging the flip side of that coin was needing to leave the car in READY for at least ten solid hours to fully recharge the battery. That's where a lot of damage to the battery is done, and can be avoided by just swapping in a charged battery and taking the dead one to a nice controlled bench charger. most car charging systems aren't designed to charge a battery at a slow controlled rate, and will violently dump current into a very low-charge battery as soon as the engine has started (as is also happening during the jump start while racing the donor engine).deep discharge raises the electrolyte's freezing point closer to that of plain water, so if left that way in very cold weather, freezing damage can occur.if deeply drained and allowed to sit that way a long time, the plates can grow sulfate crystals.It will be interesting to see how much capacity can be restored.Ĭlick to expand.My understanding has been that it isn't the deep discharge per se, but some of what can happen next: After the brake pump run, the 12V battery still shows better than 12.2V. I didn't bother putting the charger on last night (better things to do ) and I checked the 12V battery this morning (well, maybe early afternoon, Christmas don't ya know) and It showed 12.25V, all loads off. ![]() One can leave the charger connected to the battery continuously and plug the charger in to AC when convenient. Let's say 12 hours a day average for ten days. Hasn't failed to start the car, but the brake pump was clearly running slow and labored before starting the car, measured voltage at battery < 12 V with all loads switched off.Ībout ten days ago, I put a charging pigtail on the 12V battery and I've put the pulsetech charger on it whenever the car is home. 12V battery is original (May 2010 date code iirc) and definitely ready for replacement. So I bought a 2010 Prius with 98K in November. Batteries have other failure modes, of course. Battery began to charge over the course of a few days and finally after 5 weeks it had been restored to as new in terms of performance and measured voltage & specific gravity. ![]() But when I inadvertently killed a 6 month old auto battery (dome light left on during Winter storage for about 8 weeks) and could not charge at all with my old school charger (3 days on charge, no action), I bought the Pulsetech (with 30 days satisfaction guarantee, and all expectation of sending it back). I have a Pulsetech Xtreme charger that works well on sulfated batteries. ![]()
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