---
product_id: 52478586
title: "Sunway Solar Panel Combiner 3 to 1 Extension Wire With SAE Adapters Connector for Expanding Solar Battery Charger & Maintainer to One 12 Volt Battery"
brand: "sunway solar"
price: "HK$130"
currency: HKD
in_stock: true
reviews_count: 8
category: "Sunway Solar"
url: https://www.desertcart.hk/products/52478586-sunway-solar-panel-combiner-3-to-1-extension-wire-sae
store_origin: HK
region: Hong Kong
---

# Supports up to 30W per panel 3-panel input, single 12V output 18AWG durable cable Sunway Solar Panel Combiner 3 to 1 Extension Wire With SAE Adapters Connector for Expanding Solar Battery Charger & Maintainer to One 12 Volt Battery

**Brand:** sunway solar
**Price:** HK$130
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up smarter: Triple your solar juice, one battery at a time!

## Quick Answers

- **What is this?** Sunway Solar Panel Combiner 3 to 1 Extension Wire With SAE Adapters Connector for Expanding Solar Battery Charger & Maintainer to One 12 Volt Battery by sunway solar
- **How much does it cost?** HK$130 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/52478586-sunway-solar-panel-combiner-3-to-1-extension-wire-sae)

## Best For

- sunway solar enthusiasts

## Why This Product

- Trusted sunway solar brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Optimized 18AWG Cable:** Robust wiring ensures minimal power loss and reliable outdoor performance.
- • **Universal SAE Connector:** Effortless plug-and-play compatibility with top brands like Renogy, Sunforce, and Eco-worthy.
- • **Triple Solar Power Boost:** Combine 3 solar panels seamlessly to maximize your 12V battery charging efficiency.
- • **Built for Safety & Precision:** Supports up to 30W per panel with polarity check reminders to protect your investment.
- • **Compact & Lightweight Design:** Easy to install and carry, perfect for on-the-go solar setups and professional use.

## Overview

The Sunway Solar Panel Combiner 3 to 1 Extension Wire with SAE Adapters is a lightweight, durable cable designed to connect three 12V solar panels (up to 30W each) into a single battery charging system. Compatible with major solar brands, it features an 18AWG cable and male-to-male barrel connectors, ensuring efficient power transfer and easy installation for both indoor and outdoor use.

## Description

Note: 1. This SAE adapter is used for three solar panels to one battery. It can not use to one solar panel to three battery. 2. Each solar panel maximum output power should be 30W , and the voltage is 15-18V. 3. Please confirm that the polarity of the solar panel connectors are correct before the connection. For different brand solar panel, the outlet connectors’ polarity maybe different.

Review: Works well - Pick this update with my solar panels it works really well the next tight and haven't had any problems with it
Review: Exactly what it says - Perfect 10 of 10

## Features

- Very easy to use sae connector. It can combine 3 solar panels to get more power for one 12v battery.It works for and compatible with Suner Power,Powoxi,SOLPERK,OYMSAE,Eco-worthy,Battery Tender,Sunforce,Renogy solar battery trickle charger and Maintainer.
- For 12volt DC system. the cable is 18AWG.
- This SAE adapter is used for connecting three solar panel trickle charger or solar battery maintainers to one battery. It can not use to connect one solar panel to three batteries.
- Each solar panel maximum output power should be 30W , and the voltage is 15-18V.
- Please confirm that the polarity of the solar panel battery charger connectors are correct before the connection. For different brand solar panel, the outlet connectors’ polarity maybe different. If you need a SAE Polarity Reverse Adapter, please check the asin B07GPGPTFV on desertcart.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| AC Adapter Current | 5 Amps |
| ASIN | B0758G9YPK |
| Best Sellers Rank | #255,279 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #94 in Solar Battery Chargers & Charging Kits |
| Brand | Sunway Solar |
| Cable Type | Component |
| Color | black |
| Compatible Devices | Charging Adapter |
| Connector Gender | Male-to-Male |
| Connector Type | Barrel Connector |
| Customer Package Type | sealed anti-static bag |
| Customer Reviews | 4.5 4.5 out of 5 stars (238) |
| Indoor/Outdoor Usage | Indoor, Outdoor |
| Is Discontinued By Manufacturer | No |
| Item Weight | 2.39 ounces |
| Item model number | Battery Charger 3 to 1 Extension Cable |
| Manufacturer | Sunway Solar |
| Maximum Voltage | 18 Volts (DC) |
| Model Name | Battery Charger 3 to 1 Extension Cable |
| Number of Pins | 2 |
| Product Dimensions | 6.8 x 3.5 x 0.4 inches |
| Recommended Uses For Product | Increasing the power and efficiency of solar panel battery chargers and maintainers |
| Shape | Round |
| Special Feature | Lightweight |
| Specification Met | SAE |
| UPC | 611550649191 |
| Unit Count | 1 Count |
| Wattage | 30 watts |

## Product Details

- **Brand:** Sunway Solar
- **Cable Type:** Component
- **Compatible Devices:** Charging Adapter
- **Connector Type:** Barrel Connector
- **Special Feature:** Lightweight

## Images

![Sunway Solar Panel Combiner 3 to 1 Extension Wire With SAE Adapters Connector for Expanding Solar Battery Charger & Maintainer to One 12 Volt Battery - Image 1](https://m.media-amazon.com/images/I/315dcWQE7pL.jpg)
![Sunway Solar Panel Combiner 3 to 1 Extension Wire With SAE Adapters Connector for Expanding Solar Battery Charger & Maintainer to One 12 Volt Battery - Image 2](https://m.media-amazon.com/images/I/3175vJ7ICUL.jpg)
![Sunway Solar Panel Combiner 3 to 1 Extension Wire With SAE Adapters Connector for Expanding Solar Battery Charger & Maintainer to One 12 Volt Battery - Image 3](https://m.media-amazon.com/images/I/31WJt4-QRuL.jpg)
![Sunway Solar Panel Combiner 3 to 1 Extension Wire With SAE Adapters Connector for Expanding Solar Battery Charger & Maintainer to One 12 Volt Battery - Image 4](https://m.media-amazon.com/images/I/31pjSw-uvkL.jpg)
![Sunway Solar Panel Combiner 3 to 1 Extension Wire With SAE Adapters Connector for Expanding Solar Battery Charger & Maintainer to One 12 Volt Battery - Image 5](https://m.media-amazon.com/images/I/41FXh7jtTBL.jpg)

## Questions & Answers

**Q: Would the adapter connector allow adding another panel or two to harbor freight thunderbolt 100w system. want to add 50w more.**
A: This SAE adapter is used for three solar panel trickle chargers or solar battery maintainers to one battery. It can not use to one solar panel to three battery.
Each solar panel maximum output power should be 30W , and the voltage is 15-18V.

**Q: Can i use it without solar? just need a 3-way splitter for a 3a charger and u-1 battery and cpap.**
A: I used this splitter to run power from a 12 volt battery to 3 LED flood lights.  Wires should be able to handle 3 amps without an issue.

**Q: Can i connect the single to the battery, use one of the 3 tails to charge, and the other 2 to run usb port & lights?... rather then 3 separate cables?**
A: Please note that this cable connectors are for 12volt dc system.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well
*by K***H on February 6, 2025*

Pick this update with my solar panels it works really well the next tight and haven't had any problems with it

### ⭐⭐⭐⭐⭐ Exactly what it says
*by J***S on December 6, 2025*

Perfect 10 of 10

### ⭐⭐⭐⭐ good quality
*by P***N on October 31, 2025*

They work fine

## Frequently Bought Together

- Sunway Solar Panel Combiner 3 to 1 Extension Wire With SAE Adapters Connector for Expanding Solar Battery Charger & Maintainer to One 12 Volt Battery
- Sunway Solar SAE Polarity Reverse Adapter Connectors for SAE to SAE Quick Disconnect Extension Cable, Solar Panel Battery Power Charger and Maintainer-3Pack
- 14AWG SAE Y Splitter Cable SAE Quick Disconnect Connector, DC Power Automotive Adapter 1 to 2 SAE to SAE Extension Cable for Solar Panel Battery Charger, 12 inch with Waterproof Caps

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**Shop now:** [https://www.desertcart.hk/products/52478586-sunway-solar-panel-combiner-3-to-1-extension-wire-sae](https://www.desertcart.hk/products/52478586-sunway-solar-panel-combiner-3-to-1-extension-wire-sae)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-25*