Luminous battery shop near me 80ah price list Luminous Battery Shop Near Me The battery type it uses, how frequently you use it, and its maintenance quality all play a role. Typically, a Luminous inverter battery lasts about 4 years. However, with proper care, you can extend this duration up to 6 years. Luminous batteries stand out for their impressive lifespan, ranging from What is normal inverter backup time? The formula for calculating the inverter battery backup time is straightforward: Backup time (in hours) = Battery capacity (Ah) x Battery voltage / Total load (in watts). For example, if your inverter has a 150Ah battery and operates at 12V with a load of 300 watts, the backup time will be approximately 6 hours luminous battery 250ah price