I have a heavy duty 12v battery that is used to start a 58amp 3 cylinder diesel engine. I use it when a thunderstorm disrupts the power grid. Because of heavy ice I was without electricity for 2 weeks (Pine). This is a cost effective alternative designed for places like hunting lodges off the beaten path etc. The engine has no alternator (low-tech). When the engine is running I need to keep the battery charged to power the glow plugs. I also use it for AGM 12V, 7ah batteries.
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