Hyundai Kona Battery: Specs, Fitment & Common Faults
On the Kona, a documented case genuinely traced an intermittent drain spike to the "memory fuse" — pulling it reduced the drain to zero.
Opens live listings in a new tab.
OEM Part Number: Type 096 AGM
| 1.0 T-GDi stop-start | Type 027 AGM (60Ah / 680A). Aftermarket: Yuasa YBX7027 EFB (65Ah / 600A) or YBX9027 AGM (60Ah / 640A); Varta N60 EFB / A8 AGM; Bosch S4E 051 / S5A 050 |
|---|---|
| 1.6 T-GDi / 2.0 petrol stop-start | Type 096 AGM (70Ah / 760A, Varta A7 / E39). Aftermarket: Yuasa YBX9096 AGM (70Ah / 760A); Varta A7; Bosch S5A 080 |
| 1.6 CRDi diesel stop-start | Type 096 AGM or EFB (70Ah / 760A) — confirm via VIN. Aftermarket: Yuasa YBX7096 EFB (75Ah / 700A) or YBX9096 AGM (70Ah / 760A); Varta N70 EFB / A7 AGM; Bosch S4E 081 / S5A 080 |
| Kona Hybrid 1.6 GDi | 12V auxiliary battery (lead-acid on early cars, integrated lithium on later) — confirm via VIN |
| Kona Electric | 12V auxiliary battery — confirm via VIN; a "12V battery" warning is the usual sign it needs replacing |
A Genuinely Specific, Real Fix Worth Knowing About — Hyundai Kona Battery
If your battery keeps going flat within just a few days despite testing as healthy, this is genuinely worth knowing: one documented case on a related Hyundai model found the background drain spiking briefly every few seconds, tracked down to a component sometimes referred to as the "memory fuse" — pulling this specific fuse reduced the drain to zero completely. If you're chasing a similar intermittent spike pattern rather than a constant drain, it's worth specifically testing this fuse.
It's also worth knowing a genuinely practical jump-start technique if the standard method fails: connecting the jump leads plus-to-plus and minus-to-minus directly between batteries, rather than the more commonly recommended minus-to-engine-block method, has resolved cases where a standard jump start attempt failed despite the dashboard and accessories powering up correctly.
Hyundai Kona Battery: The Part Everyone Blames First, Not Always Correctly
On the Hyundai Kona, more non-starts get pinned on the battery than on any other single component, and that assumption is correct often enough to justify checking it first. It's not always the real cause, though, so it's worth confirming before spending money on a replacement that doesn't fix the problem.
Hyundai Kona Battery: Watch: Replacing It
Filmed on a petrol Kona. The Kona Electric's 12V battery is a separate job.
Hyundai Kona Battery: What It Does
On the Hyundai Kona, every engine start and every moment the electrical systems run without the engine turning draws on the 12V battery. Stop-start puts far more demand on that battery than older designs, given how often the engine cycles off and on — hence the need for an AGM or EFB battery instead of a standard type.
Opens live listings in a new tab.
Hyundai Kona Battery: Warning Signs, DIY Difficulty & Aftermarket Advice
These are the same regardless of make or model — see our full Battery Guide for warning signs to watch for, confirming fitment against your VIN, and matching the right technology (standard, EFB, AGM) when buying aftermarket.
More Hyundai Battery
The same part, covered across other Hyundai models.