---
product_id: 60016147
title: "Jump Starter 800, 21,000 mAh True (Usable) Capacity"
brand: "powercases"
price: "€ 22.85"
currency: EUR
in_stock: false
url: https://www.desertcart.sk/products/60016147-jump-starter-800-21-000-mah-true-usable-capacity
store_origin: SK
region: Slovakia
---

# 800 Amps peak power 21,000 mAh true capacity Operates -20°C to 60°C Jump Starter 800, 21,000 mAh True (Usable) Capacity

**Brand:** powercases
**Price:** € 22.85
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Power up your ride and your life—never get stranded again!

## Quick Answers

- **What is this?** Jump Starter 800, 21,000 mAh True (Usable) Capacity by powercases
- **How much does it cost?** € 22.85 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/60016147-jump-starter-800-21-000-mah-true-usable-capacity)

## Best For

- powercases enthusiasts

## Why This Product

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

## Key Features

- • **All-Weather Warrior:** Performs flawlessly from freezing cold to scorching heat ❄️🔥
- • **Smart USB Charging Port:** Keep your phone and gadgets powered on the go, no compromises 📱
- • **Instant 800A Power Boost:** Jump-start engines up to 600HP with confidence ⚡
- • **Massive 21,000 mAh Capacity:** Reliable energy reserve for multiple jump starts and device charging 🔋
- • **Compact & Lightweight Design:** Fits effortlessly in your bag or glovebox—be ready anywhere, anytime 🎒

## Overview

The Jump Starter 800 by Powercases delivers a robust 800 amps peak current with a true 21,000 mAh lithium iron phosphate battery, capable of jump-starting engines up to 600HP. Designed for extreme conditions (-20°C to 60°C) and equipped with a USB port for mobile charging, this compact 573g device offers over 1000 charge cycles and holds 50% charge for 6 months, making it the ultimate emergency power solution for professionals on the move.

## Description

Features: Automatic jump start setting USB port for mobile phone On-off switch %charge indicator Compact & lightweight Recharge from wall socket Benefits: Energy to start up to a 600HP engine Emergency power to start bike/car/van or boat Emergency power for a mobile phone Very portable small size Pre-wired heavy duty cables to facilitate use Dead battery cable bypass Simple battery recharge

## Features

- Type: Lithium Iron Phosphate; True (Usable) Capacity: 21,000 mAh; Energy: 0.252 kWh; Volts: 12 V; Lifetime: 1000+ cycles; Working Temperature: -20C to 60C; Charge Hold Time (to 50%):6 Months

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Powercases |
| Brand | Powercases |
| Product Dimensions | 18 x 4 x 9 cm; 573 g |
| Item model number | JS 800 |
| Manufacturer part number | JS 800 |
| Amperage | 800 Amps |
| Item Weight | 573 g |

## Product Details

- **Brand:** Powercases
- **Amperage:** 800 Amps
- **Manufacturer:** Powercases

## Images

![Jump Starter 800, 21,000 mAh True (Usable) Capacity - Image 1](https://m.media-amazon.com/images/I/413eLlhxr2L.jpg)
![Jump Starter 800, 21,000 mAh True (Usable) Capacity - Image 2](https://m.media-amazon.com/images/I/71Om7BOejiL.jpg)
![Jump Starter 800, 21,000 mAh True (Usable) Capacity - Image 3](https://m.media-amazon.com/images/I/61iDme-iWGL.jpg)
![Jump Starter 800, 21,000 mAh True (Usable) Capacity - Image 4](https://m.media-amazon.com/images/I/71sfiEFprCL.jpg)

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**Shop now:** [https://www.desertcart.sk/products/60016147-jump-starter-800-21-000-mah-true-usable-capacity](https://www.desertcart.sk/products/60016147-jump-starter-800-21-000-mah-true-usable-capacity)

---

*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-22*