Description
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
Features:
- 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
Performance:
- +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 |
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.
Voltage
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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