I recently got a backup car I will not be using often. I have read reviews of battery maintainers and read that they frequently fail, or improperly keep charging continuously, destroying the battery. Does anyone have experience with a brand that has worked well for them? Thanks!

I’ve never had a problem with the battery chargers/ maintainers I’ve used over the years from Schumacher. https://www.homedepot.com/p/Schumacher-Electric-Automotive-1-5-Amp-6-Volt-and-12-Volt-Fully-Automatic-Battery-Maintainer-SC1319/307780362?source=shoppingads&locale=en-US&srsltid=AfmBOoqcxu6fxwX…

[image] Tester: I’ve never had a problem with the battery chargers/ maintainers I’ve used over the years from Schumacher. +1 The only brand I have ever bought was Schumacher, and they continue to work just fine, many years later.

My Shumacher battery charger must be over 30 years old. Still works great.

I have one that cycles on and off between 14 Volts and 13.2 Volts. Works well for storage. Problem is they don’t make it anymore. Second problem is it broke, and the board is potted. A 3 stage charger that does 14.4 Volt absorption and then drops down to 13.2. Needs to do 4 hours at 14.4 to ensure …

I’ve had good luck with the Noco Genius. Comes in various levels of power.

[image] Mustangman: My Shumacher battery charger must be over 30 years old. Still works great. I bought my Schumacher when I had my 66 Mustang, sold the Mustang in 84 when my son was born, didn’t make a good family car, still have the working Schumacher and the son moved to Texas a couple yea…

[image] TheWonderful90s: I have one that cycles on and off between 14 Volts and 13.2 Volts. Works well for storage. Problem is they don’t make it anymore. Second problem is it broke, and the board is potted. Some control modules are also potted, yet companies successfully rebuild them So the…

[image] TheWonderful90s: A 3 stage charger that does 14.4 Volt absorption and then drops down to 13.2. Needs to do 4 hours at 14.4 to ensure a full charge before storage, or a car or marine battery will sulfate. Deep cycle batteries don’t require this The only difference between lead acid sta…

[image] It_s-Me: I bought my Schumacher when I had my 66 Mustang, sold the Mustang in 84 when my son was born, didn’t make a good family car, still have the working Schumacher Mine still works perfectly. Purchased many years ago, probably late 70’s. Good quality product. I used it again j…

[image] TwinTurbo: The only difference between lead acid starting and deep cycle batteries is the design of the lead plates. The chemistries are the same. There is something about the 12 Volt starting & marine batteries that is different. The 12 Volt seal lead acid batteries used in electric …

Battery maintainer recommendation

Maintenance/Repairs

glasspilot April 8, 2025, 2:29pm 23

Yes, and here’s mine!

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Battery maintainer recommendation

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