Car starter with USB

Car starter with USB.

It is based on Box Electronic.
https://www.thingiverse.com/thing:4613973

The battery pack is 3S2P with Sony VTC6.

Jump starter cable:
https://www.aliexpress.com/item/4000853471704.html?spm=a2g0o.productlist.0.0.369d55a4NFZcuf&algo_pvid=3430f037-7cb2-4fe6-a2e9-cbf8279842e6&algo_expid=3430f037-7cb2-4fe6-a2e9-cbf8279842e6-17&btsid=0bb0623a16018381810293400e457f&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_

USB fast charging board:
https://www.aliexpress.com/item/32967831140.html?spm=a2g0s.9042311.0.0.27424c4d9Bca96

Battery capacity indicator:
https://www.aliexpress.com/item/32887840000.html?spm=a2g0o.productlist.0.0.1fb93c16f9oe9W&algo_pvid=7e3c4881-ce85-4fa6-adb6-4557fc3cc82a&algo_expid=7e3c4881-ce85-4fa6-adb6-4557fc3cc82a-11&btsid=0bb0622d16018375390735682eefc0&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_

Charger Li-ion 12.6v 2A:
https://www.aliexpress.com/item/4001047113619.html?spm=a2g0o.productlist.0.0.51d184c2Pel4FN&algo_pvid=6a6afe77-0fd3-4ca4-901e-7c286ce789c9&algo_expid=6a6afe77-0fd3-4ca4-901e-7c286ce789c9-10&btsid=0bb0624216018388590743668ebb2e&ws_ab_test=searchweb0_0,searchweb201602_,searchweb201603_