Looking for an Dell 2700W 3U battery? Then you've come to the right place. We have been selling batteries for Dell 2700W 3U UPSs online since 2003 and will have the correct battery for your UPS in stock, available for next day delivery. Use our Dell 2700W 3U battery guide below to find a suggested battery for your UPS and compare it to the battery fitted to your 2700W 3U. Need help? Simply contact us.