PowerMax 643 ST Series


Part Number: 643 POW
Capacity Ah: 90
CCA (EN): 540
Dimensions (mm) L x W x H: 345 x 175 x 239
Layout / Terminal: 0/1
Weight (Kg): 26.8
European Type No. (ETN)
Base Hold-down


PowerMax?643ST Series
12V 90Ah 540CCA (EN) Starter Battery?

The PowerMax 643 ST Series battery?has been designed to meet the requirements of todays standard specification vehicles. Using the latest calcium technology the Powermax ST Series batteries have improved shelf life and overall performance. High quality, reliability and durability are standard with all Powermax automotive batteries.

Whatever the application, your battery needs to supply power to a wide range of on-board systems and equipment, and when time is money; it needs to deliver unquestionable reliability.

All our batteries are maintenance-free and specifically designed to ensure that costly down time becomes a thing of the past. This means big savings on servicing and overall total cost of ownership in comparison with conventional batteries.


  • Minimal self-discharge thanks to calcium-silver technology
  • Extremely long service life and high levels of cyclic stability
  • Highest levels of cold start performance for large engines
  • Filled, fully charged and ready to go
  • Completely maintenance-free – no need to top up with water (Promotive)
  • High resistance to vibration