Best Waterproof Phone Battery Cases of 2025

Harvey Wall Avatar
Harvey Wall
Last Updated: 1 Feb 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

For those who love the great outdoors or have a job that requires them to be in wet environments, waterproof phone battery cases are a game changer. These cases not only protect your phone from water damage, but also provide extra battery life for your device. With a variety of options available, from slim and lightweight to heavy duty and rugged, there is a waterproof phone battery case to suit every need. Whether you're hiking in the rain, working on a construction site, or simply prone to dropping your phone in the sink, these cases provide peace of mind and practicality.

At a Glance: Our Top Picks

BAHOND iPhone 11 Battery Case 6000mAh Cover #TOP 1
BAHOND iPhone 11 Battery Case 6000mAh
ftb score rating icon 9.8
Durable Carrying Case for Anker MagGo Power Bank Cover #TOP 2
Durable Carrying Case for Anker MagGo Power Bank
ftb score rating icon 9.7
Sitong 6000mAh Battery Case for iPhone 11 Pro Max Cover #TOP 3
Sitong 6000mAh Battery Case for iPhone 11 Pro Max
ftb score rating icon 9.5

Top 3 Waterproof Phone Battery Cases

BAHOND iPhone 11 Battery Case 6000mAh

XDL-633M
Black
BAHOND iPhone 11 Battery Case 6000mAh Cover
BAHOND Battery Case for iPhone 11, 6000mAh Rechargeable Extended Battery Charging Charger Case, Add 120% Extra Juice, Support Wire Headphones Black

The BAHOND iPhone 11 Case offers a dual function of charging and protection. With built-in short-circuit and overcharge protection, you can charge both your phone and the case simultaneously, ensuring convenience during use. The integrated power switch allows for quick activation or deactivation of the battery case, while the four-light LED indicator lets you easily check your power status. Additionally, the sync-through technology means you can sync your phone to your computer without the hassle of removing the case, making it perfect for busy users.

What We Like
120% extra battery life
Simultaneous charging and protection
Quick power status check
Easy access to buttons and ports
High-quality protective material
#TOP 2

Durable Carrying Case for Anker MagGo Power Bank

JiangJiangBao
MAGC20240223
Gray
Durable Carrying Case for Anker MagGo Power Bank Cover
Carrying Case for Anker MagGo Power Bank 10,000mAh/6,600mAh/MagGo 3-in-1 Charging Station, Travel Case for Anker MagGo Power Bank 10K/6.6K Qi2 Charger Dropproof & Waterproof (Gray)

The Anker MagGo Carrying Case is designed to keep your power bank safe and secure during indoor storage or outdoor adventures. Its 360-degree drop protection ensures that your device remains safe from accidental falls and impacts, allowing you to use it with confidence. Made from high-quality EVA material, the case is waterproof and easy to clean, making it ideal for travel. Additionally, its convenient design allows you to easily carry it alongside your luggage or other bags, freeing your hands for other activities.

What We Like
Durable and waterproof material
360-degree drop protection
Easy to clean
Compatible with various bags
Convenient for travel
#TOP 3

Sitong 6000mAh Battery Case for iPhone 11 Pro Max

Black
Sitong 6000mAh Battery Case for iPhone 11 Pro Max Cover
Sitong Battery Case for iPhone 11 Pro Max, 6000mAh Rechargeable Extended Battery Charging Charger Case, Add 110% Extra Juice, Support Wire Headphones Black

The Sitong Battery Case offers a convenient 2-in-1 solution to charge and protect your iPhone 11 Pro Max. With built-in short-circuit and overcharge protection, you can safely charge your phone and the battery case simultaneously. The integrated power switch allows for quick on/off control, giving you easy access to power management. Additionally, the 4-light LED indicator lets you monitor the battery status at a glance, ensuring you never run out of juice unexpectedly while on the move.

What We Like
Simultaneous charging and protection
Quick power control with switch
LED indicator for power status
Access buttons without removal
Buying Guide Image
Editor's Notes

During our waterproof phone battery cases research, we found 48 waterproof phone battery cases products and shortlisted 3 quality products. We collected and analyzed 5,957 customer reviews through our big data system to write the waterproof phone battery cases list. We found that most customers choose waterproof phone battery cases with an average price of £24.46.

The waterproof phone battery cases are available for purchase. We have researched hundreds of brands and picked the top brands of waterproof phone battery cases, including BAHOND, JiangJiangBao, Sitong. The seller of top 1 product has received honest feedback from 44 consumers with an average rating of 4.9.

Written by
Harvey Wall Avatar

Harvey Wall was born and raised in Norwich. He mastered the art of tool production and finished at the prestigious Norwich University. His area of interest include cutting tools, abrasive finishing and power tools. Harvey is always looking for ways to improve the finesse of industrial tools via his myriads of researches. He also shares some of his experiences on many platforms while writing on tool products.