# Maypole 8A 12V Automatic Battery Charger, 9-Stage

Source: https://www.ranked10.co.uk/tech/best-car-battery-chargers/maypole-8a-smart-battery-charger
Ranked #6 in "Best Car Battery Charger 2026: 10 Ranked, and Two Share a Model Number": https://www.ranked10.co.uk/tech/best-car-battery-chargers

- Price: £36.99 (checked on Amazon UK on 2026-09-17)
- Amazon rating: 4.5 from 400 ratings
- Buy on Amazon: https://www.amazon.co.uk/dp/B01MA30T62?tag=ranked10-21

The Maypole MP7428 is an 8A 12V electronic smart battery charger in sixth place in this guide. The listing describes a fully automatic 9-stage charger for lead acid and AGM batteries, with a 1.2Ah–192Ah capacity range and suitability for vehicles up to 5L (5000cc). It is priced at £36.99.

The number to watch here is the ratings count. The Amazon listing says 400 ratings and a 4.5 out of 5 average, but the star breakdown given for the product adds up to 100: 74 five-star, 17 four-star, 3 three-star, 1 two-star and 5 one-star. The spec table also includes a field reading “Guaranteed software updates until: unknown”, which is not a specification you would normally expect on a battery charger. Everything on this page comes from the Amazon listing, not from our own testing.

## Specification

| Field | Value |
|---|---|
| Price | £36.99 |
| Customer rating | 4.5 out of 5 from 400 ratings (as listed) |
| Rating breakdown (as listed) | 5★ 74, 4★ 17, 3★ 3, 2★ 1, 1★ 5 — total 100 |
| Charging current | 8A |
| Battery capacity range | 1.2Ah - 192Ah |
| Vehicle suitability | Up to 5L (5000cc) |
| Charging stages | 9 stage charging cycle |
| Guaranteed software updates until (as listed) | unknown |

## Questions people ask

**What is the Maypole MP7428?**

It is an 8A 12V electronic smart car battery charger from Maypole, described in the listing as fully automatic with a 9 stage charging cycle.

**What battery capacity can it charge?**

The listing states 1.2Ah - 192Ah battery capacity.

**What size vehicles is it suitable for?**

The listing says it is suitable for vehicles up to 5L (5000cc).

**Does it have a transformer?**

No. The listing says it is a high frequency charger and does not have a transformer.

**What safety features and leads does it have?**

Built in safety features including reverse polarity, short circuit and open circuit protection, and 1.5m output leads fitted with insulated crocodile clips.

**Do the ratings add up?**

The Maypole MP7428 listing says 400 ratings and 4.5 out of 5, but the star breakdown shown adds up to 100: 74 five-star, 17 four-star, 3 three-star, 1 two-star and 5 one-star.