Best Polymer Phone Batteries of 2026

The GUPFIX iPhone 12 Battery offers a smooth replacement experience by eliminating annoying pop-up alerts like "unknown part" or "important battery message," so you won’t have to worry about compatibility issues or swapping the old BMS board. It delivers an honest 3300mAh capacity, which is about 17% higher than the original battery, giving you roughly 13% more standby time to keep your phone running longer. Designed specifically for iPhone 12 and 12 Pro models, it’s important to double-check your device model before purchasing to ensure compatibility. Plus, it comes with a professional toolkit, making it easier for DIY users and repair shops to perform the battery swap confidently.

The XYIRMCYF iPhone 13 Battery offers a high-capacity 21800mAh power source, giving you longer usage time than the original battery without changing the size. It's designed specifically for iPhone 13 models, so you can be sure it fits perfectly. The battery comes with a full professional tool kit, making it easier for you to replace the battery yourself, even if you’re new to phone repairs. Plus, it’s built with safety in mind, featuring a smart chip that prevents overcharging, overheating, and short circuits, so you can use it confidently and safely every day.

The KOOAQQ High Capacity Battery is designed to bring new life to your device with its 3100mAh Li-Polymer power. You’ll appreciate its reliable safety features, including built-in protections against overcharging, overheating, and short circuits, keeping both you and your device safe. This battery meets strict quality standards with certifications like UL, CE, and Rohs, ensuring you get a dependable product. To get the best performance, it’s recommended to fully use and recharge the battery a few times initially. With up to 1200 charging cycles, this battery offers long-lasting power, so you won’t have to worry about frequent replacements.

The TQTHL iPhone 11 Battery is designed specifically for iPhone 11 models A2111, A2223, and A2221, so be sure to check your device's model before purchasing. This replacement battery offers a higher capacity, meaning you get longer standby time and fewer charges throughout the day. It features a smart IC chip that protects your phone from overheating, short circuits, overcharging, and over-discharging, ensuring safe and reliable use. The battery also supports efficient charging with Grade A+ cells, allowing faster charging and up to 1000 charge cycles. Plus, the kit includes all the tools and clear instructions you need to replace the battery yourself, even if you're not a professional.

The SHENMZ Pixel 6a Battery is designed to enhance your phone's performance with its high-quality Grade A+ battery cells. This replacement battery boasts a capacity of 4410mAh, ensuring your device stays powered longer. You will appreciate the built-in safety features that prevent overheating and overcharging, providing peace of mind while charging. Additionally, the battery is easy to install, allowing you to quickly restore your phone's battery life without hassle. Just remember to fully discharge and charge it a few times for optimal performance.

The Luuzkla HDH-003 Battery is designed specifically for Nintendo Switch Lite models HDH-003 and HDH-001, ensuring perfect compatibility for your device. With an impressive 8200mAh capacity, it offers significantly longer standby time compared to the original battery, letting you enjoy more gaming without frequent recharges. The battery uses high-quality lithium polymer cells, providing reliable and safe performance. It also includes built-in protections against overcharging, overheating, and over-discharging, giving you peace of mind during use. This battery meets strict safety standards with certifications like CE, UL, and ROHS, ensuring you get a dependable and secure power source for your Switch Lite.

The XYIRMCYF iPhone 7 Battery offers a powerful upgrade with its 19800mAh capacity, giving you much longer battery life than the original. It’s designed specifically for iPhone 7 models A1660, A1778, and A1779, so make sure your phone matches before buying. You’ll find installation easier thanks to the included professional repair tool kit, making it a great choice even if you’re new to replacing batteries. Plus, this battery is built with safety in mind, featuring a smart chip that protects against overcharging, overheating, and short circuits, ensuring your phone stays safe and lasts longer.

The SHENMZ Galaxy S22 Battery is designed specifically for Samsung Galaxy S22 5G models, ensuring a perfect fit and compatibility with your phone. With an upgraded 5200mAh capacity, this battery offers longer usage time, so you can enjoy your device without frequent recharging. It uses high-quality Grade A+ lithium polymer cells, certified for safety and durability, giving you over 1000 charging cycles for reliable performance. The battery also includes built-in protection features to prevent overcharging, overheating, and over-discharging, keeping your phone safe. Plus, it comes with a tool kit to help you replace the battery yourself, making the process more convenient.

The ZUEUS S23 Ultra Battery is designed to bring your phone back to life with a powerful 6500mAh capacity. Each battery undergoes strict quality checks to ensure it works safely and efficiently, protecting your device from overcharging and overheating. It fits specific Galaxy S23 Ultra models, so you should check your phone’s model before buying. To get the most from your new battery, it's best to fully charge and discharge it a few times during the first uses, which helps improve its lifespan. Plus, swapping this battery lets you quickly recharge your phone without waiting.

The SHENMZ Galaxy A54/A34 Battery is designed specifically for Samsung Galaxy A54 and A34 5G models, ensuring a perfect fit for your device. With an upgraded 5800mAh capacity, this battery offers longer usage time, so you can enjoy your phone throughout the day without frequent recharging. Made from high-quality Grade A+ lithium polymer cells, it supports over 1000 charging cycles and includes built-in safety features to protect against overheating, overcharging, and over-discharging. The kit also includes all the tools needed for a full battery replacement, making it easier for you to handle the installation yourself with some preparation and guidance.