---
product_id: 136163039
title: "Solar Panel Kit 20W 12V Monocrystalline with 10A Solar Charge Controller + Extension Cable with Battery Clips O-Ring Terminal for RV Marine Boat Off Grid System"
brand: "topsolar"
price: "$195.05"
currency: USD
in_stock: true
reviews_count: 10
category: "Topsolar"
url: https://www.desertcart.ec/products/136163039-solar-panel-kit-20w-12v-monocrystalline-with-10a-solar-charge
store_origin: EC
region: Ecuador
---

# 10A smart charge controller 20W high-efficiency power Pre-drilled easy install Solar Panel Kit 20W 12V Monocrystalline with 10A Solar Charge Controller + Extension Cable with Battery Clips O-Ring Terminal for RV Marine Boat Off Grid System

**Brand:** topsolar
**Price:** $195.05
**Availability:** ✅ In Stock

## Summary

> ☀️ Power your freedom with smart solar energy—never miss a charge, never miss a moment!

## Quick Answers

- **What is this?** Solar Panel Kit 20W 12V Monocrystalline with 10A Solar Charge Controller + Extension Cable with Battery Clips O-Ring Terminal for RV Marine Boat Off Grid System by topsolar
- **How much does it cost?** $195.05 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/136163039-solar-panel-kit-20w-12v-monocrystalline-with-10a-solar-charge)

## Best For

- topsolar enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Installation:** Pre-drilled mounting holes and hand-tightened wingnuts make setup a breeze—no electrician needed.
- • **Plug & Play Convenience:** Includes extension cables with alligator clips and O-ring terminals for hassle-free, fast connections.
- • **Reliable Off-Grid Power:** Keep your 12V batteries charged anywhere—perfect for RVs, boats, cabins, and remote setups.
- • **Smart Battery Protection:** 10A controller prevents overcharge, discharge, short circuits, and reversed polarity for ultimate battery safety.
- • **Durable & Portable Design:** Tempered glass and aluminum frame ensure ruggedness while weighing just 4.2 lbs—ideal for on-the-go lifestyles.

## Overview

The Topsolar 20W 12V Monocrystalline Solar Panel Kit delivers efficient off-grid power with a robust 10A charge controller that safeguards your battery. Lightweight and durable, it’s designed for easy installation on RVs, boats, and remote locations, making it the perfect companion for millennial professionals seeking reliable, eco-friendly energy on the move.

## Description

Buy Topsolar Solar Panel Kit 20W 12V Monocrystalline with 10A Solar Charge Controller + Extension Cable with Battery Clips O-Ring Terminal for RV Marine Boat Off Grid System: Solar Panels - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Buy here for dump trailers - Good Heavy made. Works great on my Dump Trailer too keep battery up.. Already had one before. and never charged it in 2 years.. This one is even better out put. should be good too go. Thanks
Review: Works great on my sailboat! - I mounted this panel on top of my 15ft West Wight Potter sailboat. It happens to fit perfectly on the rails of the sliding top just by coincidence and fits below the boom as well. It works great! Keeps the battery charged while I'm away and recharges it (when sunny) after using my electric motor I use for trolling around when the winds are too low. I mounted the controller on a piece of wood I made to fit in the slot where my door goes so we can keep an eye on the boat's electrical system voltage and charge our phones off the USBs! Pointed into the Sun I seemingly don't even loose any volts (holds steady at 11.1 volts with mini-koto motor on fullspeed 5 setting) when running the motor but I haven't tried that for more than 20 minutes. Even pointed away from the Sun though it still charges the battery! I have it on an angle too but somehow it still works. My battery case (I had from before not part of this kit) also has a volt meter and it matches the controller readout so it's seemingly accurate within .1 volts. For the price it's a winner in my eyes. Charges my marine battery to over 13 volts and I've even seen above 14 volts when in good Sun and not drawing much off the battery. Installation is easy just drill holes for the included bolts for the brackets and use a small wrench to tighten although hand tight might even work. Panel attaches to brackets with wingnuts that are just hand tightened. Electrical is basically plug and play although you do need a small eyeglass screwdriver to attach the wires to the solar controller. Clamps to connect to the battery are included. The battery itself is not included. Overall a great inexpensive solar option that works better than I anticipated.

## Features

- Perfect for off grid 12 volt batteries charging system and a variety of DC applications, designed for maintaining 12 volt batteries in car, RVs, cabins, boats, marine, battery operated gates, back-up power and remote power use.
- Solar panel kits, package included 20 watts solar panel, 12V/24V solar charger regulator controller and two 6.5ft cable with alligator clips and O-ring terminal for battery charging connection, easy to fix and install.
- With the 10A solar charger controller, it can prevent the battery from over charge, over voltage, discharge and short circuit, reversed polarity protection, battery is fully protected.
- Small in size and light to take, it is easy to carry for camping or other outdoor activities. Easy to install with pre-drilled holes on the back of panels for fast mounting and securing.
- Built with strong tempered glass and aluminum frame.12 months worry-free warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| AC Adapter Current | 10 Amps |
| ASIN | B07RZBVTGR |
| Best Sellers Rank | #33,157 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #215 in Solar Panels |
| Brand | Topsolar |
| Customer Reviews | 4.2 4.2 out of 5 stars (6,455) |
| Efficiency | High efficiency |
| Included Components | NO |
| Item Weight | 4.22 pounds |
| Item model number | TOPSPM |
| Manufacturer | Topsolar |
| Material | Monocrystalline Silicon |
| Maximum Power | 20 Watts |
| Maximum Voltage | 12 Volts |
| Output Voltage | 5 Volts |
| Product Dimensions | 31.5"L x 15.75"W x 0.98"H |
| Special Feature | Short Circuit Protection |
| UPC | 736256963690 764686116546 786515614139 735661123187 752502123205 752509632052 752585963699 746548912510 756464631891 754147981646 785896032259 732696987562 746581614648 746541982411 605646777158 721526987452 |

## Product Details

- **Brand:** Topsolar
- **Efficiency:** High efficiency
- **Included Components:** NO
- **Material:** Monocrystalline Silicon
- **Product Dimensions:** 31.5"L x 15.75"W x 0.98"H

## Images

![Solar Panel Kit 20W 12V Monocrystalline with 10A Solar Charge Controller + Extension Cable with Battery Clips O-Ring Terminal for RV Marine Boat Off Grid System - Image 1](https://m.media-amazon.com/images/I/71-hHjE87nL.jpg)

## Questions & Answers

**Q: Is this monocrystalline or amorphous?**
A: High efficiency monocrystalline solar cells

**Q: 1. can i connect 2 solar panels in parallel to get 40w (higher currency to 12v battery)? 2. can i use the same 10a controler?**
A: Yes you can just don’t go over the rated amps on your controller

**Q: How long does it take to charge a deep cycle battery?**
A: 24 hrs and hold at13.3

**Q: does it come in black?**
A: It is black.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Buy here for dump trailers
*by A***L on November 13, 2025*

Good Heavy made. Works great on my Dump Trailer too keep battery up.. Already had one before. and never charged it in 2 years.. This one is even better out put. should be good too go. Thanks

### ⭐⭐⭐⭐⭐ Works great on my sailboat!
*by D***G on August 18, 2021*

I mounted this panel on top of my 15ft West Wight Potter sailboat. It happens to fit perfectly on the rails of the sliding top just by coincidence and fits below the boom as well. It works great! Keeps the battery charged while I'm away and recharges it (when sunny) after using my electric motor I use for trolling around when the winds are too low. I mounted the controller on a piece of wood I made to fit in the slot where my door goes so we can keep an eye on the boat's electrical system voltage and charge our phones off the USBs! Pointed into the Sun I seemingly don't even loose any volts (holds steady at 11.1 volts with mini-koto motor on fullspeed 5 setting) when running the motor but I haven't tried that for more than 20 minutes. Even pointed away from the Sun though it still charges the battery! I have it on an angle too but somehow it still works. My battery case (I had from before not part of this kit) also has a volt meter and it matches the controller readout so it's seemingly accurate within .1 volts. For the price it's a winner in my eyes. Charges my marine battery to over 13 volts and I've even seen above 14 volts when in good Sun and not drawing much off the battery. Installation is easy just drill holes for the included bolts for the brackets and use a small wrench to tighten although hand tight might even work. Panel attaches to brackets with wingnuts that are just hand tightened. Electrical is basically plug and play although you do need a small eyeglass screwdriver to attach the wires to the solar controller. Clamps to connect to the battery are included. The battery itself is not included. Overall a great inexpensive solar option that works better than I anticipated.

### ⭐⭐⭐⭐ It certainly charges but...
*by D***. on August 22, 2024*

This setup is perfect for the beginners out there and I've really loved this kit for the price. It's super easy to connect everything! I even had this in my car for a little while mainly to start out with because I didn't have a suitable battery. I did finally buy a used lead acid battery that I am using but only temporarily. The panel itself appears to be well made and I have checked the voltage straight from the panel and I get 20 volts and you wouldn't want to connect this straight to your battery. And that is why you need a controller to lower the voltage and to apply either a steady current or a pulse charge which is just on off, on off etc. Haven't had any issues with the panel. It's definitely glass and can break so treat it gently. Haven't had any issues with water as of yet but I anticipate that it's waterproof. My only complaint is that when I set the float voltage to the battery on the included PWM controller, no matter what I set it at, in full sun the controller always charges the battery at 14 volts. And the same goes for when I set the output voltage, it will always be at the same voltage as what it's displaying on the screen and in full sun that's 14 volts. Most of the time if you are running something that is supposed to run from a 12 volt battery it's not a huge deal as most devices work fine at 14 volts because they are designed to, as when you're charging a 12v battery you want to charge it at least 13.8 volts which is typically what you see from your alternator in a vehicle. But if you're planning on running anything else just make sure you know what you are doing. As I mentioned, I am now using this on my house to charge batteries and I am planning on upgrading to Lithium batteries. I had to add some wire to the panel and I chose 16g for that and I'm not having issues. I'm using this for HAM radio so that I can always have a backup power source and this kit works great for this purpose! I would recommend this to anyone who just wants to keep their small lead acid batteries or lithium batteries charged. One thing to note is that the included PWM controller can only handle 10 amps. This means you can run a HAM radio but only one. Just do not exceed the amperage and you'll be fine. But I imagine that you could connect a inverter or something else as long as you connect it straight to your battery and bypass your controller. I don't see any reason why that wouldn't work. Just always be mindful of your voltage and amperage.

## Frequently Bought Together

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-01-27*