The two positives make a negative and the two negatives make a positive?

NO. The two positives connect to the connectors and the connector has a positive connector out. The positive and negative do not change.

I have ten 12 v 100 watt 4.5 amp panels I need to set up in parallel that will put out 45 amps will these work

No. These are rated at 30 amps max. Why in the world would you want 45 amps instead of a higher voltage (series/parallel combo)? 45A will require 4/0 wire or larger from your array. It will have an insane voltage drop if you go with less for over a run of 8 feet or so. Re-engineer your design.

I have 2 Strings of 3x280w 40voc panels in series. Can I parallel the two strings using these branch connectors?

The connectors will work. Just be sure the input voltage and amperage is right for you application. Take the panel specs and equipment specs to a good solar installer or electrician if you aren’t sure.

After 2days use one of the male ends kinda like melted any ideas why ?

Slightly loose connection or too many amps.

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Qvds56290

Product ID: 368352169

Details

Connector type
Barrel
Brand
LINKPAL
Specification met
CE TUV
Manufacturer
LINKPAL
UPC
736900423167

💧Waterproof IP67 rating

🔒Stable self-locking system

☀️UV & aging resistant

Description

🔌 Lock in power, unlock peace of mind.

BUILT TO LAST - Corrosion-resistant materials combined with UV endurance guarantee long-term performance and reliability.
PLUG PLAY SIMPLICITY - Quick assembly and removal streamline your solar installation, saving you time and hassle.
WEATHERPROOF DURABILITY - IP67 waterproof rating ensures your connectors withstand rain, dust, and harsh outdoor conditions without fail.
EFFORTLESS LOCK RELEASE - Secure your solar setup with a self-locking system that’s easy to engage and disengage—no tools needed.
CERTIFIED QUALITY ASSURANCE - CE and TUV certifications plus UL94-VO hard plastic housing mean your connections are safe and stable.

The Qvds56290 solar cable connectors feature a robust self-locking mechanism compatible with MC4 connectors, IP67 waterproof rating, and corrosion-resistant materials with UV protection. Certified by CE and TUV, these connectors ensure stable, safe, and long-lasting solar power transmission with easy tool-free assembly.

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Package Dimensions	13.2 x 6.3 x 2.5 cm; 103 g
Part number	5
Power source type	Solar Powered
Manufacturer	LINKPAL
Item model number	5
ASIN	B07HGMN7D9

Qvds56290

Details

Details

Description

Specifications

Common Questions