Amazon.com: Customer reviews: Solar Panel Battery Charger Connectors,Extension Wire Connect 3 Solar Panels to 12V Battery with Two SAE Polarity Reverse Adapters for 12Volt Solar Chargers,Solar Maintainer and Solar Charging Kits
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Great to tie solar panels together! I used to combine input from 3 80W solar panels to a 30A charge controller, no voltage drop across the connectors, I get a max of around 15A during the sunniest part of the day through it, doesn't appear to get warm carrying that current. Good connector/combiner!
Both the splitter and the gender converter work fine. A small amount of connector was visible when used with other SAE connectors. My other connectors fit snugly so I assume these connectors are slightly long.