Deep cycle and match the size of the battery (Amp hrs) to your load and run time. You can get 100 Amp Hr and bigger.
Lithium ion will give you the most duty cycles but the are $$$ but very light weight.
There can be a lot of difference in battery brands and a lot are made by the same battery manufacturing
Company but under different names. Do your research there's a lot of bad. Formation going around about batteries.
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