---
product_id: 76625876
title: "3.3W"
brand: "powoxi"
price: "€ 78.69"
currency: EUR
in_stock: true
reviews_count: 13
category: "Powoxi"
url: https://www.desertcart.pt/products/76625876-3-3w
store_origin: PT
region: Portugal
---

# Waterproof & impact-resistant design 25-30% solar conversion efficiency Smart internal protection system 3.3W

**Brand:** powoxi
**Price:** € 78.69
**Availability:** ✅ In Stock

## Summary

> ☀️ Keep your ride ready, rain or shine—charge smarter, live freer!

## Quick Answers

- **What is this?** 3.3W by powoxi
- **How much does it cost?** € 78.69 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/76625876-3-3w)

## Best For

- powoxi enthusiasts

## Why This Product

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

## Key Features

- • **Smart Safety First:** Built-in protection prevents overcharging and short circuits, keeping your battery safe and sound.
- • **Rugged & Weatherproof:** High-strength tempered glass and waterproof ABS+PC frame stand up to wind, snow, and impact.
- • **Plug & Play Convenience:** Easy installation via car power outlet or alligator clips—no mechanic needed, just go!
- • **Versatile Power Companion:** Perfect for cars, motorcycles, boats, RVs, and more—never get stranded with a dead battery again.
- • **Effortless Solar Power Boost:** Harness up to 30% energy conversion for reliable, eco-friendly battery maintenance.

## Overview

The POWOXI 3.3W Solar Battery Trickle Charger is a portable, waterproof 12V solar panel kit designed to maintain and trickle charge automotive batteries safely and efficiently. Featuring a high-efficiency solar silicon panel with 25-30% energy conversion, a smart internal protection system to prevent overcharging, and a durable tempered glass and ABS+PC frame, it offers reliable, maintenance-free power for cars, motorcycles, boats, RVs, and more.

## Description

Product description Solar Car Battery Trickle Charger Package Includes 1 * 12V 7.5W Solar trickle charger with 92 inch cord 1 * Alligator clip adapter with 36 inch cord 1 * Cigarette lighter adapter with 24.4 inch cord 4 * PVC Suckers POWOXI 12 Volts 3.3 Watts Portable Solar Panel Battery Maintainer Why you need a Solar Battery Maintainer? Because the car installed comsumable devices like monitor and alarm system, they willdrain out battery even don't drive car.That's why after long time sitting your car can't start-up. Benefits of using POWOXI Solar Trickle Charger 1. POWOXI solar charger maintainer and battery charger are for maintaining 12 volts battery on a daily basis. You'd never have to worry about battery drain out anymore! 2. Efficient solar panels absorb sunlight and convert it into electricity for charging 12V batteries. No electricity bill required! 3. Solar chargers don't consume battery power as they are equipped with anti-reverse diodes that prevent the battery from reverse-charging. The solar charger won't overcharge or damage the battery. 4. Solar charger is perfect for cars, trucks, motorcycles, campers, RV, boats, tractors, lawnmowers, farm equipment, most 12-volt cycle batteries. What types of batteries it can maintain? POWOXI solar battery charger is suitable for maintain any rechargeable 12V Batteries.( lncluding Lithium-ion, LiFePO4, Gel,AGM, etc.) What types of batteries it can maintain? POWOXI solar battery charger is suitable for maintain any rechargeable 12V Batteries.( lncluding Lithium-ion, LiFePO4, Gel,AGM, etc.) Do I need to disconnect while driving? You don't need to disconnect. Our solar panel has overcharge protection circuitry built into the panel, prevent reverse charging. Do I need to disconnect while driving? You don't need to disconnect. Our solar panel has overcharge protection circuitry built into the panel, prevent reverse charging. Can solar panel charge car battery through a cigarette lighter when the car is off? Most cars can be charged with a cigarette lighter when the engine is turned off. When it is found that the cigarette lighter can not be used to recharge the battery. You can use alligator clips and cables to connect directly to the battery. Can solar panel charge car battery through a cigarette lighter when the car is off? Most cars can be charged with a cigarette lighter when the engine is turned off. When it is found that the cigarette lighter can not be used to recharge the battery. You can use alligator clips and cables to connect directly to the battery. How to know if the solar panel charger is working? In full sunlight, the solar panel shows a red light. Connect the battery, turn green. If there are no lights, check the polarity. How to know if the solar panel charger is working? In full sunlight, the solar panel shows a red light. Connect the battery, turn green. If there are no lights, check the polarity. Choose a solar panel that works for you! 3.3W 7.5W 10W-PRO 8A controller SAE Cable

Review: Solar Power - Tapping the sun to trickle charge my riding mower battery makes sense. The storage shed I use does not have electricity so this is a cost saving alternative. Quality device with multiple ways to connect items being charged. This works on my generator as well. Keeping the battery topped off waiting for the next hurricane!
Review: It works - Working like a charm. Keeps my battery charged

## Features

- Upgrade Intelligent Charge Controller: Built-in internal protection system and smart fast charging Cooperate with Quality solar silicon material ensures high conversion and stable output the solar panel's energy conversion efficiency to 25-30%
- Smart Internal Protection System: From POWOXI technology Solar battery charger will not damage the battery and overcharge. The built-in smart protection system and blocking diode structure ensures no overvoltage and short circuit. Make charging safer
- Stronger & More Long-lasting: The 3.3W solar car battery charger adopts high-transparency glass, which is high-strength, impact-resistant, wind-snow-resistant low-iron tempered. This waterproof solar battery charger needs no additional maintenance
- Scratch Protection Design: The ABS+PC frame is stronger than flexible solar panels, so there's no need to worry about the solar panels bending. Aluminum alloy may damage the car paint, but with the ABS+PC frame, for durability this is not a concern
- Easy to Install and Use: The solar battery maintainer is easy to install, and convenient to use, just insert it in the car power outlet, as known as the cigar lighter socket or connect the solar panel to the battery with the alligator clips directly

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07F9RNM1D |
| Amperage | 190 Milliamps |
| Best Sellers Rank | #1,701 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #1 in Solar Battery Chargers & Charging Kits |
| Brand | POWOXI |
| Built-In Media | 1 X 7.5W Solar panel +1 X Cigarette lighter+1 X Alligator clip+1 X Manual |
| Color | Solar Powered Battery Chargers 3.3w |
| Compatible Devices | Cars, boats, motorcycles, water scooters, tractors, ATVs, snowmobiles, water sports devices, etc. |
| Connector Type Used on Cable | Usb |
| Current Rating | 190 Milliamps |
| Customer Reviews | 4.2 out of 5 stars 1,129 Reviews |
| EU Spare Part Availability Duration | 12 Months |
| Input Voltage | 12 Volts |
| Item Dimensions D x W x H | 14.76"D x 1.89"W x 9.06"H |
| Item Weight | 1 Kilograms |
| Manufacturer | POWOXI |
| Mfr Part Number | Solar Powered Battery Chargers 3.3w |
| Model Number | POWOXI-Solar |
| Number of Ports | 2 |
| Output Voltage | 12 Volts |
| Product Dimensions | 14.76"D x 1.89"W x 9.06"H |
| Specification Met | CE |
| UPC | 674551462152 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 year |

## Product Details

- **Brand:** POWOXI
- **Color:** Solar Powered Battery Chargers 3.3w
- **Item Weight:** 1 Kilograms
- **Output Voltage:** 12 Volts
- **Product Dimensions:** 14.76"D x 1.89"W x 9.06"H

## Images

![3.3W - Image 1](https://m.media-amazon.com/images/I/71fHMNntaVL.jpg)
![3.3W - Image 2](https://m.media-amazon.com/images/I/61NnEiE4Z2L.jpg)
![3.3W - Image 3](https://m.media-amazon.com/images/I/71mpDVnoT0L.jpg)
![3.3W - Image 4](https://m.media-amazon.com/images/I/81kXY7Yd4dL.jpg)
![3.3W - Image 5](https://m.media-amazon.com/images/I/81JpAhwmUzL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: What types of batteries it can maintain?**
A: POWOXI solar battery charger is suitable for maintain any rechargeable 12V Batteries.( lncluding Lithium-ion, LiFePO4, Gel,AGM, etc.)

**Q: Do I need to disconnect while driving?**
A: You don't need to disconnect. Our solar panel has overcharge protection circuitry built into the panel, prevent reverse charging.

**Q: Can solar panel charge car battery through a cigarette lighter when the car is off?**
A: Most cars can be charged with a cigarette lighter when the engine is turned off. When it is found that the cigarette lighter can not be used to recharge the battery. You can use alligator clips and cables to connect directly to the battery.

**Q: How to know if the solar panel charger is working?**
A: In full sunlight, the solar panel shows a red light. Connect the battery, turn green. If there are no lights, check the polarity.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Solar Power
*by C***R on November 2, 2024*

Tapping the sun to trickle charge my riding mower battery makes sense. The storage shed I use does not have electricity so this is a cost saving alternative. Quality device with multiple ways to connect items being charged. This works on my generator as well. Keeping the battery topped off waiting for the next hurricane!

### ⭐⭐⭐⭐⭐ It works
*by O***O on January 1, 2026*

Working like a charm. Keeps my battery charged

### ⭐⭐⭐⭐ great unit, but where the wire connects can pull out with rough use
*by A***R on December 16, 2025*

This is my second one the first was bought around 2022 and is still working. The only issue I had (from rough handling) was the connector where it meets on the solar panel pulled out, however I was able to disassemble the unit and repair it.

## Frequently Bought Together

- Solar Car Battery Trickle Charger, 12V 3.3W Solar Battery Charger Car, Waterproof Portable Amorphous Solar Panel For Automotive, Motorcycle, Boat, Atv,Marine, RV, Trailer, Powersports, Snowmobile, etc
- KUNCAN 25FT Sae to Sae 2 Pin Extension Cable DC Power 16awg Heavy Duty Battery Quick Disconnect/Connect Wire Harness with Sae Connectors with Dust Cap…
- Dongge SAE Connector Motorcycle Battery Charger SAE Charging Cable SAE Quickly cuts The Plug to The 12V Ring Terminal Fuse Suitable for Charging Motorcycles Tractors Cars etc

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*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-06-10*