A Tesla has a small low-voltage battery as well as its main pack, and when it fails the car will not wake, unlock or drive. In Dubai we attend 24/7 to test it, support it from an external supply so the car powers up, and replace it where the model allows. Older cars use a 12V lead-acid battery; newer builds use a lithium-ion unit of about 16 V.
Choose your Tesla to see the battery type and size it usually takes.
Model 3Sedan · 2017–2026
Model YSUV · 2020–2026
Model SCompact · 2012–2026
Model XSUV · 2015–2026
CybertruckSUV · 2023–2026No model matches that. Send us the car on WhatsApp and we will check.
Typical Gulf-spec fitment for the Tesla models we see most. Engine and model year can change it, so we match the label on your current battery before dispatch.
| Model | Battery type | Typical size | Note |
|---|---|---|---|
| Model 3 | Maintenance-free | 85B24LS (45 Ah) | Lead-acid cars only, built before roughly the end of 2021. Later cars have a lithium-ion low-voltage battery that Tesla supplies. |
| Model Y | Maintenance-free | 85B24LS (45 Ah) | Applies to early builds with the 12V lead-acid battery. Check the type on the touchscreen under Software, Additional Vehicle Information. |
| Model S | AGM | 12V AGM deep-cycle (33 Ah) | Fitted before the 2021 refresh. Refreshed cars use a lithium-ion low-voltage battery handled by Tesla service. |
| Model X | AGM | 12V AGM deep-cycle (33 Ah) | Pre-2021 cars. Access is behind trim at the front and takes longer than on Model 3. |
| Cybertruck | 12V lithium or auxiliary unit | 48 V lithium low-voltage battery | Cybertruck runs a 48 V low-voltage system with no 12V battery to swap. Faults are handled by Tesla service; we can advise by phone. |
Sizes are a guide, not a guarantee. Send a photo of the battery label for an exact match.
Lead-acid Teslas generally accept a new 12V battery without coding, and the alert usually clears once the car has re-tested it. The lithium-ion low-voltage battery is a Tesla-supplied part that is replaced through Tesla service, not at the roadside.
A car that will not start does not always need a new battery. The technician tests first, then does the smallest job that gets you moving.
When it fits: The battery fails the test, will not hold charge, or is swollen or leaking.
When it fits: Lights were left on or the car sat for days, and the battery is otherwise healthy.
When it fits: Slow cranking, a warning light, or a battery that keeps going flat.
Model S and Model X built before the 2021 refresh, and Model 3 and Model Y built before roughly the end of 2021, use a 12V lead-acid battery. Later cars use a lithium-ion low-voltage battery. The touchscreen lists the type under Software, Additional Vehicle Information.
A Tesla normally shows an alert asking you to schedule service or replace the low-voltage battery before it fails. The car keeps driving for a while after the alert appears. Acting on it early is far easier than dealing with a locked, dark car.
Tesla states in its owner manuals that the car must not be used to jump-start another vehicle, because doing so can damage it. The reverse is allowed: an external supply connected at the jump post can wake a Tesla with a flat low-voltage battery.
With no low-voltage power the bonnet will not release from the screen or app. On Model 3 and Model Y, two leads behind the front tow-eye cover accept an external 12V supply to pop the latch. Our technicians carry a supply for this.
Teslas in the UAE serve as private commuter cars and in some taxi and limousine fleets. Parked in the sun, the car wakes repeatedly to cool the cabin or run Sentry Mode, and each wake cycles the low-voltage battery. Lead-acid units in these conditions often need replacing within a few years.
On Teslas with a 12V lead-acid battery we test and replace it at the car. Newer cars with the lithium-ion unit can only be powered from an external supply at the jump post; replacement goes through Tesla. We confirm by model and year before dispatch.
Chosen for the case sizes and technology this make uses. Stock is confirmed when you call.
You know the battery, the arrival estimate and what is included before a technician leaves for your car.
Call or WhatsApp your location pin, the car make, model and year, and where it is parked.
You hear which battery fits, whether registration is part of the job and the estimated arrival time.
The technician checks the battery and the charging system and tells you what the readings mean.
A jump start if that is enough. If not, the new battery goes in, the old one leaves with us and you pay by cash, card, Tabby or Tamara.
Rated 4.9 from 12,480 Google reviews across Dubai, Abu Dhabi and Sharjah.
Car was dead on P2 of my building at 1 am. I sent the tower name and parking level, they told me which battery the Patrol takes and when the technician would get there. He tested it first, showed me the reading, then fitted the new one.
I was sure I needed a new battery. The technician jump-started the car, tested the battery and the alternator and said the battery was still fine, I had just left the lights on. Did not try to sell me anything.
They asked for the model year before coming and told me the X3 needs an AGM battery and registration. Both were done in the basement of my office. Paid with Tabby.
Took a bit longer than the first estimate because of traffic on Al Ittihad Road, but they called to say so. Battery was changed in the sandy lot behind my building and the old one was taken away.
Friday morning, public holiday, and someone answered on the second ring. Battery was fitted outside my villa before the family was ready to leave. Warranty is written on the invoice.
The dash was showing an auxiliary battery message. They explained on WhatsApp what it meant before sending anyone, which saved me a trip to the dealer.
A Tesla with a flat low-voltage battery can be woken from an external supply connected at its jump post, after which the main pack recharges the small battery through the converter in the car. This does not charge the main pack. If the main pack is empty the car needs a charger or recovery, not a jump.
No. The Tesla owner manuals say the car cannot be used to jump-start another vehicle and that trying can cause damage. The low-voltage system is sized to run its own electronics, not to crank a petrol engine. Call us for the other car instead.
Open Controls, then Software, then Additional Vehicle Information on the touchscreen. It shows whether the low-voltage battery is lead-acid or lithium-ion. As a rough guide, Model 3 and Model Y from late 2021 and refreshed Model S and Model X are lithium-ion. Tell us the result when you book.
Usually for a short time, but do not leave it. Once the battery drops too far the car may not wake or unlock. Book a replacement within days: at the car through us if it is a lead-acid type, or through Tesla service if it is lithium-ion.
Send your location, the Tesla model and its year. We confirm the battery that fits and the estimated arrival time.
