Yuasa AGM | HJ-A24L

Car Batteries

238 × 129 × 187 mm

£162.00incl. VAT


HJ-A24L – 310A 40Ah

MX5 Car Battery

Original Imported Japanese Part

For Mazda MX5 (& Eunos) Generations 1 & 2 (1989 to 2004) with battery located in boot without battery tray modification

For modified battery trays please click here

Layout Image


  • Sealed tip/tilt double lid – Reduces water loss by up to 30% – VDA roll over test compliant*
  • Calcium/Calcium AGM plates
  • Integrated flame arrestor
  • Imported Japanese quality


  • +150% improved Dynamic Charge Acceptance (DCA)
  • +200% increased cyclic durability
Case Type JIS A24 AGM
Voltage 12V
Capacity at 20-hour Rate (Ah) 40
Cold Cranking Performance (Amps) EN1 310
Mean Weight with Acid (kg) 10.7
Cell Layout 0
Terminal T1
Recommended Charge Rate (Amps) 2
Handles No
End-Venting Yes
State of Charge Indicator No
Terminal Type T1
Length (mm) 238
Width (mm) 129
Height (mm) 223
Feature Range Yuasa Specialist

3 Year Warranty

Battery Terminology:

Ampere or Amp

The unit of measurement of current flow. One volt placed across a one ohm resistance will cause a current of one Amp to flow.

Ampere-hour or Ah

One amp for one hour is called an “amp-hour” or Ah. Ah is an indicator of the total energy the battery can store and deliver at its rated voltage. Current multiplied by time in hours equals ampere-hours. A current of one amp for one hour would be one amp-hour. The Ah performance rating of automotive batteries is measured over 20 hours of discharge so a current of 3 amps for 20 hours would be 60 Ah.

Cold Cranking Amperes (CCA)

The CCA is an indicator of the power the battery can deliver for engine start. Consequently bigger engines usually require higher CCA values to operate. CCA is measured in Amperes under normalised conditions (discharge at -18ºC keeping battery voltage over a minimum value) according to the standard EN50342-1.


All modern conventional cars use a 12V battery consisting of six cells of 2V per cell. For other applications lead-acid batteries are also available in 6V.

* ADAC (Allgemeiner Deutscher Automobil-Club) Breakdown Statistics 2013


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