https://www.cyberpower.com/ru/ru/product/sku/cp1500epfclcd#downloads
https://baloto.ru/rbp_cyberpower/16/21/ - замена аккумуляторов
https://akku.pro/akkumuljatori-dlja-ibp/akkumuljator-dlja-ibp-12v-lifepo4-8ach--1207-.html LiFePo4 rus
https://aliexpress.ru/item/1005007870539319.html - ali battery
https://aliexpress.ru/item/1005006318967434.html - litokala
Voltage: 12v Capacity: 7ah @ 20Hr Terminals: T2 6.35mm Spade Chemistry: AGM, VRLA, Sealed Lead, Pb. The dimensions of each battery in this pack of two is below, it should fit pretty snug in the UPS: Length = 151mm or 5.94-inches Width = 65mm or 2.55-inches Height = 94mm or 3.7-inches.