Best Lithium Phone Batteries of 2025

The CELLONIC Swissvoice Battery is designed for seamless compatibility with Swissvoice cordless phones, including the ePure models. With a capacity of 650mAh, this rechargeable battery provides long-lasting power without memory effect, ensuring you can enjoy extended talk time. Its lithium cells feature low self-discharge rates, meaning you can rely on it for numerous charge cycles. Safety is paramount, as the battery comes with CE and ROHS certifications, offering protection against short circuits, overheating, and overvoltage, giving you peace of mind during use.

The CELLONIC Battery for ID555 is an ideal replacement for your cordless phone. Designed specifically for the Philips ID555, this battery ensures seamless compatibility, so you can easily replace your old one without any hassle. With a long life and no capacity loss, you can enjoy extended talk time without worrying about frequent recharges. Its lithium cell technology prevents memory effect, allowing for more charge cycles. Plus, with CE and ROHS certifications, this battery offers peace of mind with built-in safety features against short-circuiting and overheating.

The CELLONIC Siemens Gigaset Battery is an ideal replacement for your Siemens cordless phone. Designed for compatibility with various models, this battery ensures you won't face compatibility issues. You can enjoy a long life without capacity loss thanks to the lithium cells, which provide numerous charge cycles and minimal self-discharge. This means more hours of talk time for you. Additionally, with certified quality and safety features, you can use it with confidence knowing it has short-circuit and overheating protection.

The CELLONIC® Yealink Battery is an ideal replacement for your Yealink W60P, W56H, and W56P cordless phones. Designed for full compatibility, this battery ensures you can enjoy uninterrupted communication. Its long life without capacity loss means you can rely on many hours of talk time without frequent recharging. With superior quality testing, you can trust that this battery meets high standards for performance. Plus, its CE and ROHS certifications guarantee that it has passed stringent safety tests, providing peace of mind during use.

The CELLONIC Gigaset Battery is the perfect replacement for your Siemens Gigaset SL910, SL910A, or SL910H cordless phones. Designed for full compatibility, this battery ensures a seamless fit and function. With its long life and no capacity loss, you can enjoy extended talk time without the worry of frequent recharges. The battery features advanced lithium cells that eliminate memory effect, providing you with reliable performance over numerous charge cycles. Plus, its certified quality guarantees safety with protections against short-circuits and overheating, giving you peace of mind while you communicate.

The CELLONIC DECT Phone Battery offers a reliable replacement for your Telekom Sinus 806 and other compatible cordless phones. Its long-life lithium cells ensure you experience many hours of talk-time without the hassle of capacity loss. You will benefit from its advanced design, which eliminates memory effect, allowing for numerous charge cycles. Additionally, the battery is CE and ROHS certified, providing peace of mind with its built-in safety features like short-circuit and overheating protection.

The CELLONIC® Cisco Battery is specifically designed for compatibility with Cisco 7925G, 7926G, and various CP models. With a capacity of 1500mAh and a voltage of 3.7V, this rechargeable battery ensures you experience long talk times without the worry of capacity loss. Thanks to its lithium cells without memory effect, you can enjoy multiple charge cycles with minimal self-discharge. Additionally, the battery is CE & ROHS certified, offering peace of mind with built-in safety features to protect against short-circuits and overheating.

The CELLONIC DECT Battery is a reliable replacement for your Agfeo cordless phone. It offers long life without capacity loss, meaning you can enjoy extended talk-time without frequent recharging. This rechargeable battery is designed with no memory effect, ensuring you can charge it as needed without sacrificing performance. Additionally, it is made with superior quality materials, having undergone extensive testing to meet high safety and performance standards. You can trust this battery to keep your phone operational for longer periods.

The CELLONIC Panasonic Battery is an ideal replacement for your Panasonic cordless phone. It is designed to be fully compatible with models like KX-TCA285 and KX-UDT131, ensuring seamless use. With its long-life lithium cells, you won't experience capacity loss, giving you more hours of talk time. The battery features a high number of charge cycles and low self-discharge, which means you'll spend less time charging and more time talking. Furthermore, CE and ROHS certification guarantees its safety and reliability, protecting against short-circuits and overheating.

The CELLONIC Fritz Fon Battery is designed specifically for your Fritz!Fon cordless phones, ensuring full compatibility with models like the FON M2 and C5. With a capacity of 750mAh and a voltage of 3.7V, this rechargeable battery allows for extended talk time without the worry of capacity loss. Its lithium cells eliminate memory effect, meaning you can recharge it numerous times without diminishing performance. Additionally, the battery features certified safety measures, including protection against short-circuits and overheating, providing you with peace of mind while in use.