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Product guide

Vertex VP12-A-4 AGM Motorcycle Battery, 12V, 10Ah

My Moto Parts Vertex VP12-A-4 is a sealed AGM battery listed for motorcycles, ATVs, personal watercraft and snowmobiles. The listing states it replaces CT12A-BS and YT12A-BS, but buyers should match the dimensions and terminal arrangement to their vehicle before ordering.

At a glance

  • The listing describes it as pre-filled, sealed and maintenance free.
  • Factory-charged design and AGM technology are stated in the listing, alongside a low self-discharge claim.
  • The ABS cover is claimed to resist weather, salt, petrol, oil and corrosion.
Price
£33.57Save 18%

Reference price: £40.95

Price checked: 12 Nov 2026

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Often bought together

Pros and cons

Pros

  • Pre-filled, sealed construction avoids a filling step according to the listing.
  • Replacement references and vehicle types are provided to help narrow compatibility.
  • A two-year warranty is stated in the product details.

Technical specifications

15 specifications
Identity
BrandMy Moto Parts
Model712119P
Power and battery
Battery typeLead-Acid, AGM
Voltage12 Volts
Capacity10Ah
Cold cranking amps175
Cell count6
Dimensions and installation
Dimensions listed9.5D x 16W x 12H centimetres
Weight listed3.4 Kilograms
TerminalQuad Terminal
Fit typeVehicle Specific Fit
Compatibility and service
Vehicle typesATV, Motorcycle, Personal Watercraft, Snowmobile
Replacement referencesCT12A-BS, YT12A-BS
OEM equivalent part numbers31500-HA0-687, 31500-HA0-721, 31500-HA0-688
Warranty description2 Year warranty

What to know before buying

Listing details to confirm

The title gives 10Ah and CCA (-18) 175, while the technical details confirm 12 Volts and dimensions but do not separately confirm capacity or CCA. Confirm the required battery rating, physical fit and terminal layout for your vehicle before purchase. The title says Vertex, while the stated brand is My Moto Parts and the model is 712119P. Customer feedback also reports mixed battery-life and charge-holding experiences.

What’s in the box

Included
  • 1 x Vertex VP12-A-4 Sealed AGM Motorcycle Battery

Who is it for?

A good fit for

  • Owners of a motorcycle, ATV, personal watercraft or snowmobile whose vehicle accepts the listed battery references and dimensions.
  • Buyers looking for a pre-filled sealed AGM replacement rather than a battery requiring initial filling.

Less suited to

  • Buyers who need confirmed vehicle-specific fitment without checking their existing battery dimensions and terminals.
  • Buyers who require consistently documented battery-life or charge-retention performance.
Vertex VP12-A-4 AGM Motorcycle Battery, 12V, 10Ah · photo 2
Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 281 ratings
  • 5 stars74%74%
  • 4 stars12%12%
  • 3 stars5%5%
  • 2 stars1%1%
  • 1 star8%8%

Customer feedback describes good performance, easy connection and setup, and positive value impressions. Reports about battery life and charging are mixed, including concerns about short life and poor charge retention. For buyers relying on this as a vehicle starter battery, those experiences matter alongside the listed AGM construction and claimed factory charge, which do not establish how well an individual battery will retain charge over time.

Positive themes

  • Customers describe performance positively.
  • Customers report easy connection and setup and good value for money.

Mixed feedback

  • Battery-life feedback is mixed, with some customers reporting that the battery does not last long.
  • Charging feedback is mixed, including reports that it does not hold charge properly.

Frequently asked questions

Which battery types does the listing say this replaces?

It lists CT12A-BS and YT12A-BS as replacement references. Check your vehicle's required fit, dimensions and terminal arrangement before ordering.

Is this battery supplied ready to install?

The listing describes it as pre-filled, sealed and factory charged. It does not provide further installation or charging instructions.

What warranty is listed?

The product details state a two-year warranty. The supplied information does not explain its terms or coverage.

Are battery life and charging performance consistently reported?

No. Customer feedback describes both satisfactory experiences and concerns about the battery not lasting long or holding charge properly.

Vertex VP12-A-4 AGM Motorcycle Battery, 12V, 10Ah · photo 3
Additional product photo 3

Alternative options

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Product details in Markdown