We have been the brand to beat in domestic inverter backup market for decades. We have performed efficaciously in some of the worst power cuts that have hit our country. No other battery has been known to perform in such severe operating conditions. We have also made breakthrough innovations in battery alarming system. Our SF PBX-1500 PLUS battery has onboard sensor that alarms users for low electrolyte level. This alarming system has gained encouraging response from the market.