MG HS Battery — Size, Type & Replacement (2020–2025)

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Most common fit — MG HS: Bosch S5 AGM, type 096 — 70Ah 760A, AGM, for the 1.5 T stop-start. Bosch S5 AGM, type 096 — check price on Amazon

Fitment varies by engine and build date — other variants are listed below.

Battery Specifications

70Ah / 60Ah
Capacity
760 / 540
CCA (Cold Cranking Amps)
AGM
Battery Type
ParameterSpecification
Battery Group096 (1.5 T petrol) or 027 (1.5 EHS PHEV)
TypeAGM on the 1.5 T; the EHS PHEV is listed with a conventional type 027
Capacity70 Ah (1.5 T) or 60 Ah (EHS PHEV)
Cold Cranking Amps760 A (1.5 T) or 540 A (EHS PHEV)
Dimensions278 x 175 x 190 mm (type 096) or 242 x 175 x 190 mm (type 027, EHS PHEV)
Terminal TypeTop post
Start-Stop CompatibleRequired (stop-start)

What the OE fitment data lists for this car

EngineBatteries listed
1.5 T (petrol, 162 PS)096 AGM 70 Ah 760 A (278 x 175 x 190) – recommended
1.5 EHS Plug-in Hybrid (258 PS)027 60 Ah 540 A (242 x 175 x 190) – recommended
2.0 T AWD (229 PS)Not listed for the UK/European market

Source: published VARTA battery-finder fitment data (varta-automotive.com) for the MG HS (AS23), consulted August 2026. Where more than one battery is listed, the manufacturer fits different sizes across builds — measure the battery you remove, or confirm by registration, before ordering.

VARTA lists an AGM battery for the 1.5 T. Do not replace an AGM with a standard flooded battery.

Upgrade option: Even though your MG HS doesn’t require an EFB or AGM battery, upgrading to one provides better durability, vibration resistance, and deeper discharge recovery — especially useful if you have dashcams or other accessories.

Recommended Batteries for MG HS

Bosch S5 AGM, type 096

70Ah 760A | AGM | for the 1.5 T stop-start

Bosch S5 AGM, type 096 — check price on Amazon

Varta Silver Dynamic AGM, type 096

70Ah 760A | AGM | OE-grade stop-start

Varta Silver Dynamic AGM, type 096 — check price on Amazon

Yuasa YBX9096 (AGM)

70Ah 760A | AGM | YBX9000 Start-Stop Plus range

Yuasa YBX9096 (AGM) — check price on Amazon

Frequently Asked Questions

What battery does a MG HS need?

It depends on the version. VARTA fitment data for the MG HS (AS23) lists a type 096 AGM battery, 70 Ah and 760 A, measuring 278 x 175 x 190 mm, for the 1.5 T petrol. The 1.5 EHS plug-in hybrid is listed with a smaller type 027, 60 Ah and 540 A, measuring 242 x 175 x 190 mm. Confirm by registration, or measure the battery you remove, before ordering.

Does the MG HS need an AGM or EFB battery?

VARTA lists AGM, not EFB, for the 1.5 T petrol: a type 096 AGM of 70 Ah and 760 A. If your car came with AGM, fit AGM again, because an EFB or a standard flooded battery will not survive the stop-start duty cycle. The 1.5 EHS plug-in hybrid uses a smaller 12 V type 027 auxiliary battery instead. Confirm by registration before ordering.

How long does a MG HS battery last?

Typically 4–6 years depending on driving patterns. Short urban journeys and cold winters reduce battery life.

Can I replace the MG HS battery myself?

Yes for most models — it’s usually located in the engine bay. Disconnect the negative terminal first, then the positive. Fit the new battery in reverse order.

How we check fitment for this guide

We cross-reference fitment figures against manufacturer specifications and OE-supplier catalogue data where available, and matched to the standard codes that actually govern fit — battery type/group sizes, wiper lengths and fitting types, bulb fitment codes, tyre size markings, and oil specifications. We work by make, model, year, engine, and build date, because a single model can take different parts across its life. Where the right part depends on your exact vehicle, we tell you to confirm by registration or VIN. More on our method →

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