---
product_id: 49669816
title: "External Battery for Smartphones, slightly bigger than a Credit Card and 6.6mm thick - Samsung Galaxy, iPhone 5, 6, 7, SE, Xiaomi, Huawei, Nexus, etc. – Portable Charger Ultra Slim and Light – Power Bank – Built-in Micro USB Cable – Lightning Adapter Included"
brand: "powermi"
price: "6.98 DT"
currency: TND
in_stock: false
reviews_count: 13
url: https://www.desertcart.tn/products/49669816-external-battery-for-smartphones-slightly-bigger-than-a-credit-card
store_origin: TN
region: Tunisia
---

# 65% conversion rate Ultra-slim design 2500 mAh capacity External Battery for Smartphones, slightly bigger than a Credit Card and 6.6mm thick - Samsung Galaxy, iPhone 5, 6, 7, SE, Xiaomi, Huawei, Nexus, etc. – Portable Charger Ultra Slim and Light – Power Bank – Built-in Micro USB Cable – Lightning Adapter Included

**Brand:** powermi
**Price:** 6.98 DT
**Availability:** ❌ Out of Stock

## Summary

> 🔋 Power Up Your Life with Style!

## Quick Answers

- **What is this?** External Battery for Smartphones, slightly bigger than a Credit Card and 6.6mm thick - Samsung Galaxy, iPhone 5, 6, 7, SE, Xiaomi, Huawei, Nexus, etc. – Portable Charger Ultra Slim and Light – Power Bank – Built-in Micro USB Cable – Lightning Adapter Included by powermi
- **How much does it cost?** 6.98 DT with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/49669816-external-battery-for-smartphones-slightly-bigger-than-a-credit-card)

## Best For

- powermi enthusiasts

## Why This Product

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

## Key Features

- • **Gift of Power:** A practical and stylish gift for tech-savvy friends and family.
- • **Emergency Ready:** One full charge for most smartphones, ensuring you're never left in the dark.
- • **Pocket-Sized Power:** Fits easily in your wallet or pocket, making it the ultimate travel companion.
- • **Built-In Convenience:** No more tangled cables! Enjoy a built-in micro USB and Lightning adapter for hassle-free charging.
- • **Universal Compatibility:** Works seamlessly with a wide range of smartphones, from iPhones to Androids.

## Overview

This ultra-slim external battery is slightly larger than a credit card, measuring 96x62x6.6mm, and offers a 2500 mAh capacity with a 65% conversion rate. Compatible with a wide range of smartphones, it features a built-in micro USB cable and Lightning adapter, making it the perfect portable charger for emergencies.

## Description

Your dead battery days are over!PowerMi won’t allow your smartphone to run out of battery just when your best friend wants to know where you are.Main features:1.Functional design  Ultra-thin and just a little bit bigger than a credit card. It hardly occupies any space in your pockets or in your handbag and is ultra-light.  2.Easy to use The LED light lets you know the state of your battery: When flashing, you need to charge it; when steady, it has enough power.  3.Compatibility Its 2500 mAh input capacity saves you in emergency situations on your Samsung, Huawei, Xiaomi, iPhone 5 / 5C / 5S / 6 / 6+ / 6S / 6S+ / 7 / 7+ / SE, Nexus, HTC and many more phones. We will attend all your questions if you have any doubts.  4.Built-in charging cable The Micro-USB cable for charging your phone is incorporated in the PowerMi charger so it’s impossible to lose it. It includes a Lightning adapter for charging your iPhone in a hidden compartment below the blue cable, so there is no need to carry additional cables or adapters with you.  5.USB to Micro-USB cable (laptop to battery) included in the package  PowerMi charger comes with a Micro USB cable included in the package so you can connect your battery to the laptop for charging.  6.Top A Li-polymer Rechargeable Battery Grade A cells and premium chips ensure the highest quality and reliability. Perfect for: - Charging your smartphone when out.- Always having it on, be it in your bag, pocket or wallet.- An original and practical gift.

## Features

- Ultra-thin! Size just a little bit bigger than a credit card: 96x62x6.6mm / 3.7x2.4x0.26in. It’s among the thinnest on the market!
- Compatible with Samsung Galaxy, Huawei, Xiaomi, Nexus, Blackberry, HTC, Nokia and iPhone 5, 5C, 5S and 6, 6 plus, 6S and 6S plus, 7 and 7 plus and SE. Lightning adapter included in compartment below the incorporated cable.
- Perfect for emergencies! It has an input capacity of 2500 mAh at 3.7V and a conversion rate of 65% for output at 5V, a crucial value that is not usually made known. It will allow one full charge on most smartphones. It saves your life just when your best mate wants to know where you are.
- Built-in charging cable (power bank to phone) and iPhone adapter incorporated in a compartment, just below the blue cable. You don’t need to carry additional cables or adapters with you! Micro USB charging cable (power bank to laptop) included in the package.
- An original and practical gift.

## Images

![External Battery for Smartphones, slightly bigger than a Credit Card and 6.6mm thick - Samsung Galaxy, iPhone 5, 6, 7, SE, Xiaomi, Huawei, Nexus, etc. – Portable Charger Ultra Slim and Light – Power Bank – Built-in Micro USB Cable – Lightning Adapter Included - Image 1](https://m.media-amazon.com/images/I/715G4Pd28SL.jpg)
![External Battery for Smartphones, slightly bigger than a Credit Card and 6.6mm thick - Samsung Galaxy, iPhone 5, 6, 7, SE, Xiaomi, Huawei, Nexus, etc. – Portable Charger Ultra Slim and Light – Power Bank – Built-in Micro USB Cable – Lightning Adapter Included - Image 2](https://m.media-amazon.com/images/I/41tztWvUfNL.jpg)
![External Battery for Smartphones, slightly bigger than a Credit Card and 6.6mm thick - Samsung Galaxy, iPhone 5, 6, 7, SE, Xiaomi, Huawei, Nexus, etc. – Portable Charger Ultra Slim and Light – Power Bank – Built-in Micro USB Cable – Lightning Adapter Included - Image 3](https://m.media-amazon.com/images/I/41UVdUhRKxL.jpg)
![External Battery for Smartphones, slightly bigger than a Credit Card and 6.6mm thick - Samsung Galaxy, iPhone 5, 6, 7, SE, Xiaomi, Huawei, Nexus, etc. – Portable Charger Ultra Slim and Light – Power Bank – Built-in Micro USB Cable – Lightning Adapter Included - Image 4](https://m.media-amazon.com/images/I/31iUjPl6RsL.jpg)
![External Battery for Smartphones, slightly bigger than a Credit Card and 6.6mm thick - Samsung Galaxy, iPhone 5, 6, 7, SE, Xiaomi, Huawei, Nexus, etc. – Portable Charger Ultra Slim and Light – Power Bank – Built-in Micro USB Cable – Lightning Adapter Included - Image 5](https://m.media-amazon.com/images/I/21QhwPTEVIL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Effective gadget
  

*by C***. on Reviewed in the United Kingdom on 10 February 2017*

Just as described, works well

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Best PowerBank Ever ?!?!
  

*by A***S on Reviewed in the United Kingdom on 21 May 2016*

The media could not be loaded.
                
            
                
            
            
        
    
    








  
  
     This is one of the best powerbanks i have ever come across as it has a micro usb and lightning cable build in as well as being really thin.If you would like more information please watch the video, i hope you enjoy it :)Thank you for sending me this product.

### ⭐⭐⭐ 3.0 out of 5 stars







  
  
    While I hand it it was gd. gd size ...
  

*by D***C on Reviewed in the United Kingdom on 2 April 2017*

While I hand it  it was gd.gd size.i had to send it back.because of a problem. But everything was sorted out quickly.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.tn/products/49669816-external-battery-for-smartphones-slightly-bigger-than-a-credit-card](https://www.desertcart.tn/products/49669816-external-battery-for-smartphones-slightly-bigger-than-a-credit-card)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-03-14*