Upgrade Your Phone's Performance

Is your Avaya 3620 phone's battery life not meeting your expectations? Do you find yourself constantly recharging your phone throughout the day? Upgrade to our high-quality replacement battery and breathe new life into your device. With 3.6V and 730mAh capacity, our battery is designed to provide longer talk time and standby time, ensuring that you stay connected with your customers, colleagues, and clients.

Compatible with Avaya 3620 Models

Our replacement battery is specifically designed for Avaya 3620 wireless business telephones, ensuring a perfect fit and compatibility. It supports models 700375850 and 700413065, providing you with the assurance that it will work seamlessly with your device.

Reliable and Durable

Our replacement battery is built to last, with Ni-Mh cells that provide reliable power and a longer lifespan. The blue-gray plastic snap-in case is designed to withstand the demands of daily use, ensuring that your phone remains functional and efficient.

Warranty and Guarantee

We stand behind the quality of our replacement battery, offering a 1-year warranty and a 30-day money back guarantee. If you're not satisfied with the performance of our battery, we'll provide a full refund or replacement, giving you peace of mind and confidence in your purchase.

Buy Online with Confidence

Don't settle for inferior replacement batteries that can damage your phone or compromise its performance. Buy our high-quality Avaya 3620 replacement battery online and enjoy fast and reliable service, backed by our commitment to customer satisfaction.