Isuzu Bighorn · Battery replacement
The right battery for your Bighorn, fitted where the car is, with the charging system tested before we sell you anything. Covers model years 1981-2002.
If your Isuzu Bighorn needed a jump start this week, the useful question is not which battery to buy. It is whether the battery is the fault at all.
With a range ending in 2002, this is very likely a conventional car with no start-stop system, which means a good standard battery in the correct group size does the job. AGM would last longer but you would be paying for cycle life the car never uses.
D-Max and MU-X here are usually load-carrying, and suspension and brakes wear at commercial rates rather than private ones. For the battery specifically: park in shade where you can, drive far enough to actually recharge rather than only starting the car, and have it load-tested before summer rather than after. A battery that reads 12.4 volts at rest can still fail its load test, and the load test is the one that predicts the morning it does not start.
The Bighorn is an SUV, so it carries a physically larger battery than a saloon of the same age and a heavier parked electrical load. That is not a detail — battery choice is driven as much by physical size, hold-down type and parked current draw as it is by cranking amps, and getting one of the three wrong is how a correctly-specified battery ends up failing early.
Diesels need far higher cranking current than petrols of the same size, and a twin-battery setup must be replaced as a matched pair or the new one is dragged down by the old. On the Bighorn specifically, which the vehicle database lists across model years 1981 to 2002, the safe approach is to read the label on the battery that is in the car now and match its group size, terminal side and capacity — or to give us the year and let us look it up.
Same workshop, same technicians. Open a service for what it involves on your car.
Yes, at no charge, and it goes to a licensed recycler. Lead-acid batteries are not general waste and should never be left in a car park.
Two to three years in Dubai's climate. Anything past three summers should be load-tested rather than assumed good.
Call, or send your location on WhatsApp. We will tell you the price before we set off.
