AGM batteries cost less per amp, or per “battery size,” than lithium batteries. For example, an average current price for a 100-amp-hour LiFePO4 battery is about $700, whereas the same size AGM ...

For the first hour or so, we were on the hunt and ... the possibility that we could deplete a modern 12-volt, 100-amp lithium starting battery and it never occurred to us to try to figure out ...