SPARKING 6FT Car Female Cigarette Lighter Plug Socket to Eyelet Terminals 12V Extension Cable with 15A Fuse(6FT) (Amazon Affiliate)
US: https://amzn.to/3tUc4KU
WEIZE 12V 100Ah LiFePO4 Lithium Battery, Up to 8000 Cycles, Built-in Smart BMS, Group 31 Deep Cycle Battery Perfect for RV, Solar, Marine, Overland/Van, and Off Grid Applications (Amazon Affiliate)
US: https://amzn.to/3tP5zJ6