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Technical Specification
PRODUCT NUMBER YBX1612YBX1630YBX1655YBX1657
Voltage 12121212
Capacity (AH) 143143126142
Hold Down NB3NN
Cold Cranking Amps (EN1) 900900750850
Terminal Type T1T1T1T1
Cell Layout 3300
Length 513513347345
Width 189189174175
Height 223223285275
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Q 1. What is the cold cranking amp (CCA) rating of the Powermax PM656?

A. The Powermax PM656 is rated at 720 cold cranking amps (CCA) measured to the EN standard, making it suitable for reliable cold-weather starting in heavy commercial vehicles.

Q 2. What is the capacity of the PM656 battery?

A. The PM656 has a rated capacity of 125Ah measured at the C20 rate, providing substantial reserve energy for vehicles with high electrical loads.

Q 3. What are the physical dimensions of the PM656?

A. The PM656 measures 346mm in length, 175mm in width, and 289mm in height including the terminal. It is supplied in a WOR7 case format and conforms to the Type 656 battery footprint.

Q 4. What terminal type and polarity does the PM656 use?

A. The PM656 uses a Type 1 terminal configuration with polarity 1 orientation (positive terminal on the left when viewed from the front). Always verify terminal positions against your vehicle's battery tray before fitting.

Q 5. Is the Powermax PM656 compatible with start-stop vehicles?

A. Start-stop compatibility for the PM656 has not been confirmed. Please refer to the product label supplied with the battery before fitting to any vehicle equipped with a start-stop system.

Q 6. What hold-down type does the PM656 require?

A. The PM656 uses a B00 hold-down specification. Ensure your vehicle's battery tray and securing hardware are compatible with this hold-down type prior to installation.

Q 7. What cross-reference number does the PM656 correspond to?

A. The PM656 cross-references directly to the industry-standard Type 656 battery designation. If your vehicle manual or parts catalogue specifies a 656 battery, the PM656 is the corresponding Powermax replacement.

Q 8. What warranty does the Powermax PM656 carry?

A. The PM656 is backed by a 2-year manufacturer's warranty, covering defects in materials and workmanship under normal operating conditions.

Q 9. What vehicles is the PM656 typically used in?

A. The PM656 is designed for heavy-duty commercial vehicle applications including trucks, buses, agricultural machinery, and plant equipment that require high cranking performance and substantial reserve capacity.

Q 10. How is the Powermax PM656 delivered and what is the returns policy?

A. The PM656 is dispatched via pallet shipment and typically arrives within 3–5 working days to UK mainland addresses. Contact PartsForMachines directly for a delivery quote. A 30-day returns policy applies.

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