The MC4 connectors are reverse polarity for use with solar panels so the gender must be reversed. Wired for 12V power from SAE connector; Not sure how this configuration came about as they are designed for solar power and need to be controlled via the MC4 connector. Most of these only found one that was properly assembled (another seller).
Keep Your Battery Fully Charged With A Smart 12V Charger/Maintainer Featuring Winter Mode
28 Review
Efficient Charging With LST 7 Stages 5A Battery Charger - 3.3A 12V For Ultimate Performance
35 Review
Mroinge Automatic 6V/12V Trickle Charger For Vehicles, Motorcycles, Boats And More - Maintain Your Batteries With Ease!
29 Review
Charger Vympel 57 black
110 Review
DVR 70MAI Dash Cam Pro Plus+, black (A500S), black
87 Review
Xiaomi Mijia Ratchet Screwdriver 16 in 1 Screwdriver with Interchangeable Bits, 10 pcs, Black
22 Review
Rechargeable screwdriver OA-3,6F (433.0.2.00), 3.6 V, 1.3 Ah Li-ion, blister
46 Review
Tool set Ombra OMT82S12, 82 pcs, brown
22 Review