⚡ Quick Answer

The current Triton, built from 2019 (MR series) with the 4x4 diesel, runs a D31 class battery, and SaltyCells has confirmed fit here with the SC-NA1280 (60Ah, around 900A cranking, 3,000+ cycles). Earlier Tritons built from 2006 to 2018 (MQ, MN and ML series) often run a smaller D23 or D26 class battery on lower spec variants, so check the label on your current battery before ordering. A quality lead acid replacement in these sizes runs $200 to $380 and lasts 2 to 4 years in Australia; the matching sodium ion battery starts at $275 and is rated for 3,000+ cycles with a 5 year warranty.

Why Your Triton Deserves Better Than a Standard Lead Acid Battery

If you are searching for the best battery for Mitsubishi Triton Australia wide, you have probably just had the classic experience: the ute cranks slower and slower for a week, then one cold morning it gives you nothing but a click. Tritons are workhorses, whether it is a current MR series 4x4 diesel towing a trailer every weekend or an older MQ, MN or ML doing the rounds on a job site. They tow, they carry tools, they run fridges and driving lights at the campsite, and they cop Australian heat all summer. That workload is exactly what kills ordinary lead acid batteries in 2 to 4 years.

Most Triton owners simply buy whatever the roadside van or the nearest big box store has on the shelf, pay somewhere between $200 and $400, and repeat the whole exercise a few years later. There is now a better option, and for the current 4x4 diesel Triton it is a confirmed fit, not a guess: sodium ion starter batteries offer 3,000 plus charge cycles, huge cranking power, and zero maintenance, and they are available in Australia today. This guide covers what your specific Triton generation actually needs, how the battery types compare, and which SaltyCells model suits your setup.

What Battery Does a Mitsubishi Triton Need?

Triton battery requirements vary by generation and engine, so always confirm against the battery currently in your tray before ordering. Here is how the generations break down:

Triton generation Common battery size class Typical CCA Notes
MR series 4x4 diesel (2019 onward) D31 class (confirmed fit) 650 to 750 CCA SaltyCells has confirmed the SC-NA1280 fits this generation's factory tray
MQ, MN and ML diesel (2006 to 2018) D23 or D26 class on many variants Varies by trim Case size not yet confirmed at trim level, check your label before ordering
Petrol Tritons (all generations) Smaller case, lower CCA Lower than diesel equivalents Confirm with us before ordering

The confirmed fitment above covers the current 4x4 diesel Triton (MR series, built from 2019). Earlier Tritons, including the MQ (2015 to 2018) and the older MN and ML models (2006 to 2014), show scattered evidence of a smaller D23 or D26 class factory battery on lower spec variants, but we have not confirmed this at trim level. If your Triton was built before 2019, measure your current battery and check terminal orientation, or contact us, before ordering. It takes two minutes and avoids any guesswork.

Newer Tritons with idle stop systems need a battery designed for frequent restarts. Standard flooded lead acid batteries fail early in these vehicles, which is why retailers push you toward more expensive EFB or AGM units. Three things matter when choosing a replacement: case size and terminal orientation must match your tray, CCA should meet or exceed the original rating, and the battery chemistry should suit how you actually use the vehicle. A tradie running a fridge and lights off the starter battery has very different needs to a highway commuter.

Sodium Ion vs Lead Acid vs AGM for a Triton

Here is how the main options stack up for a Triton used in Australian conditions:

Feature Standard Lead Acid AGM SaltyCells Sodium Ion ✓
Typical price $200 to $300 $350 to $500 $275 to $429
Cycle life ❌ 300 to 500 cycles ⚠️ 400 to 700 cycles ✅ 3,000 plus cycles
Typical lifespan ❌ 2 to 4 years ⚠️ 3 to 5 years ✅ Designed for 8 plus years
Cranking power ⚠️ Moderate ✅ Good ✅ Around 650A to 900A
Weight (large case) ❌ 18 to 25kg ❌ 20 to 28kg ✅ 4.5 to 6.5kg
Cold performance ❌ Weak below freezing ⚠️ Moderate ✅ Rated to minus 30°C discharge
Heat tolerance ❌ Poor, grid corrosion ⚠️ Moderate ✅ Rated to 70°C
Maintenance ⚠️ Water top ups on some ✅ None ✅ None
Warranty ❌ 12 to 24 months typical ⚠️ 24 to 36 months ✅ 5 years

The pattern is clear. Lead acid is cheap upfront but you buy it again and again. AGM improves durability at a steep price. Sodium ion costs about the same as a mid range AGM but lasts several times longer, cranks harder, and weighs less than half as much. For the full chemistry breakdown, read why sodium ion beats lead acid.

Australian Conditions Are Exactly Where Sodium Ion Shines

Heat is the number one battery killer in Australia. Under bonnet temperatures in a Triton towing through a 40°C summer day can exceed 60°C, and lead acid plates corrode rapidly at those temperatures. Sodium ion cells are rated for discharge from minus 30°C up to 70°C, so a Queensland summer or an outback haul does not eat the battery alive.

Cold mornings matter too. Anyone who has camped in the Victorian High Country or worked early starts in Canberra knows the pain of a sluggish diesel crank at minus 5°C. Lead acid batteries can lose a large share of their cranking capacity in the cold. Sodium ion chemistry holds its output far better, which is why our smallest battery still delivers around 650A.

Vibration is the third factor. Tritons live on corrugated roads and building sites. Sodium ion packs have no liquid electrolyte to slosh and no lead plates to shed material, so vibration resistance is inherently better than a flooded battery.

Which SaltyCells Battery Suits Your Triton?

SaltyCells stocks three 12V sodium ion starter batteries, all drop in replacements for lead acid with a 5 year warranty and 3,000 plus cycle rating:

SC-NA1280, $429: the confirmed fit for the current 4x4 diesel Triton (MR series, 2019 onward). 60Ah capacity, around 900A peak cranking current, 6.0kg, case size 306 by 174 by 220mm. SaltyCells has confirmed this D31 class battery fits the current Triton's factory tray, so if you drive a 2019 or newer 4x4 diesel Triton this is a straightforward swap. If your Triton is a tradie rig running a fridge, compressor or driving lights at the job site, our camping and 4WD touring battery guide covers sizing for that extra load.

SC-NA1270-280, $389: for mid size trays. 50Ah, around 860A cranking, 6.5kg, 279 by 175 by 189mm. Suits vehicles with a shallower or shorter tray that cannot take a full D31 class case.

SC-NA1260, $275: for petrol models and smaller trays. 30Ah, around 650A cranking, just 4.5kg, 230 by 175 by 200mm. Massive cranking power in a compact case.

🔋 The Salty Cells Range at a Glance

Three 12V sodium ion starting batteries. The SC-NA1280 is the pick for most diesel Tritons running an N70 or 95D31 class battery from the factory.

SC-NA1260
Petrol models & smaller trays
30Ah · 650A · 4.5 kg
$275
SC-NA1270-280
Mid size trays
50Ah · 860A · 6.5 kg
$389
SC-NA1280
Most diesel Tritons (N70/95D31 class)
60Ah · 900A · 6.0 kg
$429
View the SC-NA1280 at SaltyCells →

Whichever model you choose, measure your current battery and confirm terminal orientation before ordering. Installation is the same process as any lead acid replacement, and our installation guide walks you through it step by step.

The Real Cost Over 10 Years

Say a standard lead acid battery costs $280 and lasts 3 years in a hard working Triton. Over a decade you buy three or four of them, spending roughly $840 to $1,120, plus the inconvenience of at least two dead battery mornings, and a callout fee if one strikes at the wrong time.

A single SC-NA1280 at $429 is rated for 3,000 plus cycles at 60 percent depth of discharge. Even cranking your Triton multiple times every day, the cycle rating covers many years of service. One purchase, no water top ups, no terminal corrosion, no roadside surprises. The upfront premium over the cheapest lead acid option is recovered the first time you do not have to buy a replacement.

Frequently Asked Questions

What size battery does a Mitsubishi Triton take?

It depends on the generation. The current MR series 4x4 diesel Triton, built from 2019, runs a D31 class battery, and SaltyCells has confirmed the SC-NA1280 fits here. Earlier Tritons from 2006 to 2018 often run a smaller D23 or D26 class battery on lower spec variants, so check the battery currently fitted to your vehicle before ordering, or contact SaltyCells and we will help you confirm.

Can I put a sodium ion battery in my Triton myself?

Yes. SaltyCells batteries are drop in replacements that connect exactly like a lead acid battery. If you can use a spanner you can swap it in about 15 minutes. See our installation guide for the full process.

Will a sodium ion battery work with my Triton's alternator?

Sodium ion starter batteries are designed to charge from a standard 12V vehicle charging system. Our batteries operate at a nominal 12.4V with a built in battery management system that regulates charging. If your Triton has a smart alternator or idle stop, get in touch first and we will confirm compatibility for your setup.

Is sodium ion safe in the engine bay heat?

Yes. SaltyCells batteries are rated for discharge at up to 70°C and do not use the flammable electrolytes found in some lithium chemistries. Thermal stability is one of sodium ion's biggest advantages.

How long will a sodium ion battery last in a Triton?

The cells are rated for at least 3,000 cycles at 60 percent depth of discharge, which is 6 to 10 times the cycle life of lead acid. In practical terms the battery is designed to outlast several lead acid replacements, backed by a 5 year warranty.

The Verdict

Your Triton works hard, and the battery under the bonnet should keep up. Standard lead acid is a recurring expense disguised as a cheap fix, and AGM asks premium money for a modest improvement. Sodium ion delivers 3,000 plus cycles, serious cranking power, about a third of the weight and total freedom from maintenance, at a price between the two. Confirm your tray size, pick the matching SaltyCells model, and put battery shopping behind you for years. Browse the full range at SaltyCells and if you are unsure on sizing, ask us before you buy. We answer fast.