Know your actual backup
Most inverter batteries are sold based on Ah rating. However, Ah only reflects stored capacity. It does not define how long your appliances will run during a power cut.
Actual backup depends on engineering factors such as battery design, plate construction, and discharge efficiency. Two batteries with the same Ah rating can deliver different runtime. When buying a battery, do not rely on verbal estimates. Check the Certified Backup Hours printed on the packaging and compare before you decide. Measurement builds confidence. Assumptions do not. With Okaya, you can see Certified Backup Hours at defined load conditions, so you know exactly what to expect.
Certified Backup Hours represent the actual runtime of a battery under defined load conditions.
Each CBH value is:
If it is printed, it is proven.

Setting the standards for Test conditions:
Important Considerations for Battery Performance and Backup:
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