India’s First Inverter Battery with Certified 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.

Okaya Power: Okaya Ka Vaada De Backup Zyaada

Find Your Right Backup

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CERTIFIED BACKUP HOUR (CBH)

Certified Backup Hours represent the actual runtime of a battery under defined load conditions.

Each CBH value is:

  • Tested in a NABL-accredited third-party laboratory?
  • Measured under controlled parameters.
  • Printed clearly on the product packaging

If it is printed, it is proven.

Okaya Power: CBH Chart

Test Conditions

Setting the standards for Test conditions:

  • Constant current charging till TOC ≥15.5V
  • OCV: 12.50-12.70V
  • Specific Gravity: 1.25-1.26
  • Temperature: 27±2°C
  • Cut off voltage at the end of discharge: 10.5V

Disclaimer

Important Considerations for Battery Performance and Backup:

  • Battery backup varies with ambient temperature, battery age, inverter used and State of Charge (SOC) conditions
  • Charging through inverters does not result in 100% SOC
  • Certified backup hour can be achieved after three Charge-discharge cycles on a new battery
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