How to boost charge AGM batteries in storage?
The manual for my Lifeline 100 Amp Hour Deep Cycle AGM 12 volt batteries says this: "While in storage, batteries should be boost charged every 90 days or when open circuit voltage drops to 12.5 vol...
Forum Discussion
You can buy an adjustable power supply like THIS and a pair of CABLES from Amazon. Adjust it to 14.4V. You could wire in an amp meter but I don't see it necessary. Leave it on for a few hours and call it a day.
If you don't mind dropping about $60 on a power supply buy a Meanwell or Megewatt brand for the reliability.
On Edit: After looking through the cables offered on Amazon, I wouldn't buy any of that junk. Buy some good jumper cables and cut off one end. Or buy some quality cable and clamps and build your own. Build it for continuous 30A to be save.
If you don't mind dropping about $60 on a power supply buy a Meanwell or Megewatt brand for the reliability.
On Edit: After looking through the cables offered on Amazon, I wouldn't buy any of that junk. Buy some good jumper cables and cut off one end. Or buy some quality cable and clamps and build your own. Build it for continuous 30A to be save.
