---
product_id: 557581495
title: "Battery Case for iPhone 11 Pro Max, 8500mAh Ultra-Slim Rechargeable Smart Portable Charging Case Extended Battery Pack Compatible with iPhone 11 Pro Max (6.5 inch) Charger Case Support Carplay-Black"
brand: "snronew"
price: "HK$28"
currency: HKD
in_stock: false
reviews_count: 2
url: https://www.desertcart.hk/products/557581495-battery-case-for-iphone-11-pro-max-8500mah-ultra-slim
store_origin: HK
region: Hong Kong
---

# 50h Music Time 8500mAh Power Rubberized Protection Battery Case for iPhone 11 Pro Max, 8500mAh Ultra-Slim Rechargeable Smart Portable Charging Case Extended Battery Pack Compatible with iPhone 11 Pro Max (6.5 inch) Charger Case Support Carplay-Black

**Brand:** snronew
**Price:** HK$28
**Availability:** ❌ Out of Stock

## Summary

> 🔌 Power Up Your Life: Never Miss a Beat!

## Quick Answers

- **What is this?** Battery Case for iPhone 11 Pro Max, 8500mAh Ultra-Slim Rechargeable Smart Portable Charging Case Extended Battery Pack Compatible with iPhone 11 Pro Max (6.5 inch) Charger Case Support Carplay-Black by snronew
- **How much does it cost?** HK$28 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/557581495-battery-case-for-iphone-11-pro-max-8500mah-ultra-slim)

## Best For

- snronew enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Syncing:** Charge and sync your iPhone seamlessly with your original cables—no extra accessories needed.
- • **Unleash Your Power:** Extend your iPhone's battery life by over 180% with a robust 8500mAh capacity.
- • **Sleek & Secure Design:** Experience a snug fit with a raised rubber bezel that protects against scratches and bumps.
- • **Stay Connected Longer:** Enjoy up to 50 hours of music, 18 hours of talk time, and 15 hours of web browsing without a hitch.
- • **Peace of Mind Guarantee:** Shop confidently with a 12-month money-back warranty and dedicated customer support.

## Overview

The Battery Case for iPhone 11 Pro Max is an ultra-slim, rechargeable case featuring an impressive 8500mAh battery that extends your phone's life significantly. With a rubberized design for maximum protection, easy installation, and compatibility with original charging cables, this case ensures you stay connected without compromise. Plus, enjoy a satisfaction guarantee for a risk-free purchase.

## Description

Important Note: ONLY compatible with iPhone 11 Pro Max (6.5 inch) Latest models  ***Not compatible other model***  Wireless charging is NOT supported  This case is not designed to provide screen protection.  This battery case is not automatic, press the back power button for 3 seconds to start charging.  Not supported Car Charger, high Voltage or Quick Charge deployed adapters.  Please use your phone original charging cable and wall adapter (5V/1A only) to charge the battery case.  Headphone compatible ●iPhone lighting headphone ●Apple AirPods ●Other bluetooth headset  Sync &Charging ●Advanced Sync-through Technology ●Support Lightning Cable ●Full Support with iOS versions  Max protection ●Unique raised bezel design ●It is hard to break off the top part, which is made of rubber improved material. ●Full Edge Protection,Full protection to corners and sides, against from drops and impacts.  Package Include: 1 x Battery Case  1 x User Manual [Not included Cable ]  Warnings For Optimal & Safe Usage 1.Batteries are sensitive and should not be left in the sun. 2.You had better use your original stock cable or a third-party-certified lightning cable for charging the battery case. 3.Please do not wiggle the lightning port when you plug or unplug the cable.

## Features

- Extend 180%+ Battery Life To Your Phone: 8500mAh extra battery power offers you 50 hours music time, 18 hours phone talk, 12 hours video time, 15 hours website browsing. Zero chance to face awkward moment. No need to worry about missing an important call. (NOTE: NOT SUPPORTED WIRELESS CHARGING)
- Rubberized Design Fits Your Hand: Raised rubber bezel surrounding the phone's screen gives your iPhone maximum protection, avoids from scratching, bumping. In addition, with precise camera and audio hole dimension, do not worry about blocking the camera hole and affect the quality of music play.(headphones Compatible)
- Simple Installation & LED Indicator Lights: All-in-One charging case makes installation and carry much easier and safer. Only need to slide your phone into the bottom of case tightly, long pressing for 3 seconds to start charging. Besides, it's convenience to track how muh power left through clicking back button. (0%-25%-50%-100%)
- Advanced Sync Tech & No Extra Spending On Cables: SNSOU iPhone 11 Pro Max battery case is compatible with all iPhone original charging cables(5V 1A) and headphones. You can sync to your MacBook, PC or laptop without removing the battery case. One iPhone original charging cable fulfills sync & charge, no more spending.
- 100% Satisfaction Guarantee: If you met any problems during using our battery case, contacts us firstly. We will offer effective and helpful technical support to you. You also have 12 months money back warranty. Start your Risk-free purchase by clicking Add to Cart button.

## Images

![Battery Case for iPhone 11 Pro Max, 8500mAh Ultra-Slim Rechargeable Smart Portable Charging Case Extended Battery Pack Compatible with iPhone 11 Pro Max (6.5 inch) Charger Case Support Carplay-Black - Image 1](https://m.media-amazon.com/images/I/01RmK+J4pJL._AC_.gif)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Aweosme
  

*by N***R on Reviewed in the United States on October 30, 2023*

Works awesome. Connects to usbc

### ⭐⭐ 2.0 out of 5 stars







  
  
    Median
  

*by C***Z on Reviewed in the United States on December 27, 2023*

Works good but messed up after 3 drops

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**Shop now:** [https://www.desertcart.hk/products/557581495-battery-case-for-iphone-11-pro-max-8500mah-ultra-slim](https://www.desertcart.hk/products/557581495-battery-case-for-iphone-11-pro-max-8500mah-ultra-slim)

---

*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-03-17*