Business Phone Batteries

We offer a comprehensive product line of high quality business phones batteries manufactured to be fully compatible with the original equipment.


Avaya 3631 Phone Replacement Battery. 1150 mAh


Replacement battery for the Avaya 3631 and SMT-W5110 phones. Fully replaces OEM part number 700431489 US, 700431497 EU/UK and SMT-W5110B. Li-ion, 3.7 Volt, 1150 mAh capacity rating, cells made in Japan. The 1150 mAh capacity rating is 15% higher than...

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Mitel 5602 Phone Replacement Battery. 850 mAh


Replacement battery for Mitel 5602. Fully replaces battery number 51012511.Mitel 5602 Replacement BatteryFully replaces battery number 51012511Lithium Ion Rechargeable Battery Pack | 3.7 Volt | 850 mAh Capacity Rating3.7 Volt | Li-ionCells Made in China

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Ascom d81 Phone Replacement Battery. 1300 mAh


This replacement battery is 100% compatible with the Ascom d81 phone and replaces battery part number 660273. The 1300 mAh capacity rating is 41% higher than the OEM's 920 mAh capacity rating.Ascom d81 Replacement BatteryFully Replaces OEM battery...

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