Looking for an Compaq 242688-003 battery? Then you've come to the right place. We have been selling batteries for Compaq 242688-003 UPSs online since 2003 and will have the correct battery for your UPS in stock, available for next day delivery. Use our Compaq 242688-003 battery guide below to find a suggested battery for your UPS and compare it to the battery fitted to your 242688-003. Need help? Simply contact us.