Installing a dedicated trickle charging cable setup -- DIY writeup

[Dad]

FYI - Harbor Freight has 2 versions of what appears to be the same charger. The part numbers are different (thank goodness), but the polarity of the keyed connector is reversed. You can not swap the accessory cables, which look identical. The good news is the chargers are diode protected so they won't smoke if the polarity is reversed.

What great mind thought of reversing the polarity?!(sarcasm)

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[P99Guy]

just a little warning about temu, the products are dollar store quality, less than that even

Every product I have purchased on TEMU has been the EXACT same product I would purchase on Amazon just with really, really slow shipping. Most of the time I need it now so Amazon wins.