Looking for an Unitek Alpha 1650 battery? Then you've come to the right place. We have been selling batteries for Unitek Alpha 1650 online since 2003 and will have the correct battery for your UPS in stock, available for next day delivery. Use our Unitek Alpha 1650 battery guide below to find a suggested battery for your UPS and compare it to the battery fitted to your Alpha 1650. Need help? Simply contact us.