---
product_id: 64909114
title: "Solar Charger, Marstree 20000mAh Waterproof Solar Power Bank Dual USB Battery Pack Portable Phone Charger with LED Flashlight for USB Devices"
brand: "marstree"
price: "$77.40"
currency: USD
in_stock: false
category: "Wireless Phone Accessory"
url: https://www.desertcart.us/products/64909114-solar-charger-marstree-20000mah-waterproof-solar-power-bank-dual-usb
store_origin: US
region: United States of America
---

# Solar Charger, Marstree 20000mAh Waterproof Solar Power Bank Dual USB Battery Pack Portable Phone Charger with LED Flashlight for USB Devices

**Brand:** marstree
**Price:** $77.40
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Solar Charger, Marstree 20000mAh Waterproof Solar Power Bank Dual USB Battery Pack Portable Phone Charger with LED Flashlight for USB Devices by marstree
- **How much does it cost?** $77.40 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/64909114-solar-charger-marstree-20000mah-waterproof-solar-power-bank-dual-usb)

## Best For

- marstree enthusiasts

## Why This Product

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

## Description

Specification:  Solar power: Single crystal 1.5W Battery type: Li-polymer battery Capacity: 20000MAH Input: DC 5V/1.0A Output: DC 5V/1A DC 5V/2.1A Housing material: Plastic + Silicone  Packaging list:  1 x Solar Power Bank 1 x USB cable 1 x Hanger with compass  Kindly Noted:  1. For safety, DO NOT charge the power bank in car or put it on dash due to high temperature in car. 2. Please do not take solar as primary charge source. Solar is mainly for topping off the unit, the charging speed will be subject to sunlight intensity and panel conversion rate, which may take long time. In daily life, we highly recommend charge it from electricity source. 3. Charging by outlet only needs approximately 10 hours. Do not charge it overnight nor over voltage. 4. In order to fully activate the solar panel, please charge it via outlet or computer at least 10 hours at first time use. 5. Please do not make charge while charging itself.

## Features

- High capacity lithium battery equipped with a compact solar panel, which could recharge the battery itself under sunlight for emergency purpose while outdoor.
- Dual USB Charger Ports: 2.1A USB port for iPad/Tablets. 1.0A USB ports for smartphone or other devices; can charge two devices simultaneously, anti-explosion, lightweight, compact and reliable.
- LED Flashlight/Emergency Light: The LED flashlight works perfectly in darkness, especially for emergency. Just press the button twice, the LED will light up for flashlight mode. press again, the LED will flashing for emergency.
- Charge other devices: DO NOT charge the power bank in car or put it on dash due to high temperature in car. Please do not make charge while charging itself.
- Multiple Protection:Waterproof &amp;dustproof &amp;shockproof perfectly for hiking, climbing, camping and other outdoor activity. 5 intelligent protection systems ensure long lifespan with more than 500 recharging cycle, meanwhile avoid short circuit and over-charge.

## Images

![Solar Charger, Marstree 20000mAh Waterproof Solar Power Bank Dual USB Battery Pack Portable Phone Charger with LED Flashlight for USB Devices - Image 1](https://images-na.ssl-images-amazon.com/images/I/51ZzCrEnpGL.jpg)
![Solar Charger, Marstree 20000mAh Waterproof Solar Power Bank Dual USB Battery Pack Portable Phone Charger with LED Flashlight for USB Devices - Image 2](https://images-na.ssl-images-amazon.com/images/I/51yrb63FjLL.jpg)
![Solar Charger, Marstree 20000mAh Waterproof Solar Power Bank Dual USB Battery Pack Portable Phone Charger with LED Flashlight for USB Devices - Image 3](https://images-na.ssl-images-amazon.com/images/I/41emtWLsKTL.jpg)
![Solar Charger, Marstree 20000mAh Waterproof Solar Power Bank Dual USB Battery Pack Portable Phone Charger with LED Flashlight for USB Devices - Image 4](https://images-na.ssl-images-amazon.com/images/I/41w8dNh89FL.jpg)
![Solar Charger, Marstree 20000mAh Waterproof Solar Power Bank Dual USB Battery Pack Portable Phone Charger with LED Flashlight for USB Devices - Image 5](https://images-na.ssl-images-amazon.com/images/I/51%2BZ1E825NL.jpg)

---

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---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-03-04*