An inverter battery's backup and life depend on more than its brand: the load it carries, how often and how long power cuts last, how it is charged, where it sits and how it is looked after. This guide explains each factor, and what Okaya's tubular battery for inverter range states about them.
Okaya's category FAQ gives a typical service life of 4 to 6 years with proper care. Where your battery lands in that range depends on these factors:
1. Battery type and capacity versus your load.
2. Power-cut frequency and how fully the battery is recharged in between.
3. The inverter it is paired with.
4. Temperature and placement.
5.Installation and water-level upkeep.
For a closer look at the numbers, read inverter battery lifespan.
Yes. Okaya's inverter batteries are tubular, in three container designs: the 90Ah JXT, SJT (Super Jumbo Tubular) for 110Ah to 160Ah and TT (Tall Tubular) for 160Ah to 310Ah. Okaya states that XBD+ gives up to 15 to 20% longer backup than a conventional tubular battery of the same Ah capacity.
A battery that is too small for the load is worked harder and gives shorter backup. Okaya suggests 90Ah for compact needs, 160Ah for a typical 2BHK, 210Ah for larger homes or longer backup, 260Ah for heavy loads and 310Ah for commercial use. Add up your wattage first, then compare declared backup hours at that load.
Backup hours show what a battery gives at a set load, which an Ah figure alone cannot. Okaya's Certified Backup Hours are tested under the UMHD (Urban Metro Heavy Duty) load cycle in NABL-accredited laboratories and printed on the packaging. Examples, in hours:minutes:
1. 90Ah, 48 months (24+24): 3:25 at 200 W, 8:10 at 100 W.
2. 160Ah TT, 60 months (36+24): 8:45 at 200 W, 20:15 at 100 W.
3. 210Ah TT, 60 months (36+24): 12:05 at 200 W, 28:10 at 100 W.
4. 260Ah TT, 66 months (42+24): 15:05 at 200 W, 32:40 at 100 W.
Okaya states that real backup varies with temperature, battery age, the inverter used and the battery's state of charge.
A battery that is not fully recharged before the next power cut gives less backup. Okaya states that its SJT batteries recharge about 15% faster than conventional Jumbo Tubular batteries. That is not a comparison with TT, and the inverter's own charging also affects how quickly the battery recovers.
Yes. The inverter charges the battery and decides the system voltage, which sets the battery count: one battery for a 12V inverter, two for 24V and four for 48V. When identical batteries are connected in series, the system voltage increases while the Ah rating stays the same.
Okaya states that temperature changes the backup a battery gives. Keep the battery in a dry, well-ventilated spot, as the installation guidance advises.
Installation is typically arranged through your Okaya dealer, and you should not rewire the terminals yourself unless you are trained. Most Okaya models need only 1 to 2 water top-ups a year, and six ceramic water-level indicators show the level. Use the water specified in the product manual or by Okaya Care. The inverter battery care guide lists the checks in detail.
Total warranty is 48 to 66 months depending on the model, made up of a flat period and a pro-rata period. Warranty registration is paperless, and Okaya lists an all-India onsite service network. Message Okaya Care on WhatsApp at +91 9818 909090, write to care@okaya.in, or use the dealer locator to find nearby Okaya dealers in your area.
What factors affect inverter battery life?
Battery type and capacity versus your load, power-cut frequency, recharge between cuts, the inverter used, temperature and placement, and water-level upkeep.
How long does an inverter battery last?
Okaya's category FAQ gives a typical service life of 4 to 6 years with proper care. Total warranty is 48 to 66 months depending on the model.
Does temperature affect inverter battery backup?
Yes. Okaya states that real backup varies with temperature, battery age, the inverter used and the battery's state of charge.
Does a bigger battery last longer?
A higher-capacity battery can provide longer backup at the same load, but a higher Ah rating does not by itself mean a longer service life. Battery life also depends on usage, recharge cycles, temperature, the inverter used and maintenance. Compare declared backup hours at a load close to yours.
How many batteries does an inverter need?
It depends on the inverter's system voltage: one battery for 12V, two for 24V and four for 48V.
How often should I add water to an inverter battery?
Okaya states that most models need only 1 to 2 top-ups a year. Use the water specified in the product manual or by Okaya Care.
Does faster recharge help battery performance?
A battery that is fully recharged before the next power cut gives more backup. Okaya states that SJT batteries recharge about 15% faster than conventional Jumbo Tubular batteries.
Where should I place an inverter battery?
Keep it in a dry, well-ventilated spot, and arrange installation through your Okaya dealer.
To compare the current inverter battery price, cost of inverter battery for home and all inverter battery price for each capacity, visit the Okaya shop.
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