In the same way, the BR1500MS2 left most contenders within the dust when it came to battery capacity, mainly because it ran for 4 hrs at a 20 W load and 21 minutes at a 300 W load. The only real competitors that arrived near had been our top select along with the CyberPower CP1500PFCLCD (the latter was also the sole UPS to defeat the BR1500MS2 in o