Optima Battery Warranties

Optima Battery Warranties (Purchased after 2/1/09)

Model	Optima Manufacturer's Warranty
D31M	24 months free replacement
D34M	24 months free replacement
TF1800	24 months free replacement
34M	24 months free replacement
D31A	24 months free replacement
D31T	24 months free replacement
D34	36 months free replacement
D34/78	36 months free replacement
D35	36 months free replacement
D75/25	36 months free replacement
D51	36 months free replacement
D51R	36 months free replacement
34	36 months free replacement
34/78	36 months free replacement
34R	36 months free replacement
75/25	36 months free replacement
35	36 months free replacement
25	36 months free replacement
6V	36 months free replacement

Optima Battery Warranties (Purchased before 2/1/09)

Model	Optima Manufacturer's Warranty
D31M	18 months free replacement + 18 months pro-rated^2,3,4
D34M	18 months free replacement + 18 months pro-rated^2,3,4
TF1800	18 months free replacement + 18 months pro-rated^2,3,4
34M	18 months free replacement + 18 months pro-rated²
D31A	24 months free replacement + 12 months pro-rated^3,4
D31T	24 months free replacement + 12 months pro-rated^3,4
D34	12 months free replacement + 12 months pro-rated^2,3,4
D34/78	12 months free replacement + 12 months pro-rated^2,3,4
D35	12 months free replacement + 12 months pro-rated^2,3,4
D75/25	12 months free replacement + 12 months pro-rated^2,3,4
D51	12 months free replacement + 12 months pro-rated^2,3,4
D51R	12 months free replacement + 12 months pro-rated^2,3,4
34	36 months free replacement + 36 months pro-rated^1,2,5
34/78	36 months free replacement + 36 months pro-rated^1,2,5
34R	36 months free replacement + 36 months pro-rated^1,2,5
75/25	36 months free replacement + 36 months pro-rated^1,2,5
35	36 months free replacement + 36 months pro-rated^1,2,5
25	36 months free replacement + 36 months pro-rated^1,2,5
6V	24 months free replacement + 36 months pro-rated^1,2,5

Notes:

1: Red Top starting batteries are not covered for deep cycle/car audio use: Use a deep cycle Blue Top or Yellow Top battery.
2: During a "pro-rated" warranty period, compensation for defect is based on the portion of total warranty period that remains.
3: Deep cycle models, when used in series string applications with battery management system or CV/CC charge method have 12 month warranty.
4: Deep cycle models, when used in series string applications without battery management system or CV/CC charge method have 1 month warranty.
5: Red Top Optima batteries in commercial applications have 12 month free replacement + 36 months pro-rated warranty.

Question: Why are warranties shorter for deep cycle batteries?

Answer: The more times you deep discharge any battery -- even deep cycle batteries, which are made for that purpose -- the shorter its lifespan will be. But in many applications a battery will be deep discharged only occasionally. In such an application the deep cycle battery will normally last longer than a Red Top battery would. We frequently hear from Optima users whose batteries have lasted eight to ten years (and even more) in non-deep-cycling uses. How long your deep cycle battery lasts will depend on how it's used. The following descriptions outline situations where a deep cycle battery is the best choice:

Situation A: Frequent, heavy deep cyling applications. If your application calls for frequent deep cycling of the battery, you need a deep cycle battery. A non-deep-cycle battery used in such an application will have a short lifespan. Examples include inverter applications, marine trolling motors, frequent winching, and car audio loads beyond the alternator's output (or w/o the engine running.) The largest deep cycle battery that will fit will have the longest lifespan, and it's often advisable to run multiple batteries connected together.

Situation B: Occasional deep cycling applications. Examples include the starter battery in an off-road vehicle equipped with a winch that's used infrequently, or occasional use of an inverter connected to your vehicle. You'll get the best performance and longest lifespan with a deep cycle battery like the D31 or D34 series batteries. And the larger battery (D31), if you have room for it, will have a longer lifespan because it won't need to be discharged as deeply as a smaller battery to accomplish the same task. The less deeply the battery is discharged, the longer its lifespan will be.

Battery Abuse: An additional reason why deep cycle batteries (industry-wide) have shorter warranty periods is that a disproportionate share of deep cycle batteries receive abusive treatment. Abusive practices include failure to recharge the battery after deep discharging, or discharging below the rated minimum 10.5 volts.

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