Lithium batteries

12many said

Sure is a lot of confusion, misconceptions and what really . Read the manual and do as it instructs. Here’s a manual, pages 32-35 clearly state all the facts related to charging for their batteries !https://earthxbatteries.com/wp-content/uploads/2020/11/ETX_Manual_111017_Y-1.pdf

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Maybe you should take your own advice

The specs list their battery as only 10AH, CCA at a paltry 140, and MAXIMUM CHARGE RATE at only 15A and recommended charger only 5A

That thing is a toy. It is not going start much of anything in cold weather.