---
product_id: 41828853
title: "3w 6v 145mm×145mm DIY Solar Panel for 3v/4.2v Battery Charging or Mini Motor Power Supply"
brand: "knapenergy"
price: "S$20"
currency: SGD
in_stock: true
category: "Lawn Garden"
url: https://www.desertcart.sg/products/41828853-3w-6v-145mm-145mm-diy-solar-panel-for-3v-4
store_origin: SG
region: Singapore
---

# 3w 6v 145mm×145mm DIY Solar Panel for 3v/4.2v Battery Charging or Mini Motor Power Supply

**Brand:** knapenergy
**Price:** S$20
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 3w 6v 145mm×145mm DIY Solar Panel for 3v/4.2v Battery Charging or Mini Motor Power Supply by knapenergy
- **How much does it cost?** S$20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/41828853-3w-6v-145mm-145mm-diy-solar-panel-for-3v-4)

## Best For

- knapenergy enthusiasts

## Why This Product

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

## Description

Features:  1) Size: 145*145mm  2) Max. power: 3W  3) Max. voltage: 6V  4) Max. current: 500mA  Configuration Relationships between solar panel and storage battery  Storage Battery Solar Panel  1.2V 2V ~ 2.5V  2.4V 3.5V ~ 4V  3.6V 5V ~ 6V  6V 7.5V ~ 9V  12V 15V ~ 18V

## Features

- High-efficiency encapsulated solar panel, providing enough power for DIY
- Solar panel kit with battery, power small motors or other loads; perfect devices for science project
- Portable, compact & stylish size with solid attractive casing
- UV treated surface and durable weatherproof PCB board
- Package contents: 3W 6V 145mm×145mm solar panels(one solar panel only)

## Images

![3w 6v 145mm×145mm DIY Solar Panel for 3v/4.2v Battery Charging or Mini Motor Power Supply - Image 1](https://images-na.ssl-images-amazon.com/images/I/51OJMzPD3eL.jpg)
![3w 6v 145mm×145mm DIY Solar Panel for 3v/4.2v Battery Charging or Mini Motor Power Supply - Image 2](https://images-na.ssl-images-amazon.com/images/I/41OHEat2zVL.jpg)

---

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**Shop now:** [https://www.desertcart.sg/products/41828853-3w-6v-145mm-145mm-diy-solar-panel-for-3v-4](https://www.desertcart.sg/products/41828853-3w-6v-145mm-145mm-diy-solar-panel-for-3v-4)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-03-21*