YBX Auxiliary Series

YBX Auxiliary Series Batteries

For hundreds of thousands of new, advanced, and luxury cars, trucks, and SUV’s, auxiliary batteries are necessary to support the next-generation of technology. If you drive a luxury car like an Audi, BMW, or Mercedes, you need a 12V backup auxiliary battery to support the electrical load in conjunction with the starter battery. The YBX Auxiliary line meets that need and exceeds your expectations.

Designed to last longer on the shelf, YBX Auxiliary batteries are OEM quality, with exact standards and specifications ideal for cars, trucks, SUVs, along with several other vehicle types with enhanced auxiliary battery systems. That includes OEM matching lid ventilation, making them a safe, equal replacement to original equipment. Maintenance-free, spill-free, and made with Yuasa quality.

  • Original equipment (OE) quality, performance & specification
  • Ideal for the unique requirements of vehicles with auxiliary battery systems
  • Maximum safety with spill proof construction & no free acid
  • Fully maintenance free
  • Long service life
  • Supplied fully charged & ready to fit


*Due to supply chain issues, automotive batteries are currently limited for purchase .*

Search YUASA for the right YBX Auxiliary Series Battery


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