Heavy commercial vehicles place exceptional electrical demands on starting batteries, requiring robust construction and consistent cranking power across a wide range of operating conditions. The Numax 623 Premium Commercial Vehicle Battery is engineered to meet those demands, delivering dependable performance for trucks, coaches, and large-goods vehicles operating in the most challenging environments.
Built to the Numax Premium CV specification, this battery is manufactured to exacting standards within the Numax commercial range – a range designed to handle the elevated electrical loads imposed by modern commercial vehicle systems, including high-draw auxiliary equipment, telematics, and multi-circuit ignition architectures.
The 623 operates at 12V with a 143Ah capacity (C20) and a Cold Cranking Amp rating of 850A (EN), providing strong, reliable engine starts in low-temperature conditions. The case measures 513mm × 223mm – 225mm (L × W × H) in a Type B case configuration, with a Type 1 terminal arrangement and Polarity 4 layout. The battery weighs 39.6kg and uses a B00 hold-down. Cross-reference: 623. Start-stop compatibility is not confirmed – refer to the product label before fitting.
This battery is available as part of a wider Numax Premium CV range, with related variants including the 612, 620, 622, 624, 625, 629, 629UR, 632, and 633.
The Numax 623 is supplied with a 2-year warranty, providing assurance of build quality and service life for fleet operators and commercial vehicle maintenance professionals.
Delivery: pallet shipment, typically 3–5 working days within UK mainland. Contact PartsForMachines for delivery quote. 30-day returns.
Quality, durability and performance sum up the NUMAX range of batteries. NUMAX batteries are built to the very highest specification to cope with today’s automotive electrical demands. The NUMAX automotive range has a battery to suit every application whilst providing premium quality and value. That’s why people trust the NUMAX battery brand to give them the performance they need no matter how harsh the conditions.
Key Feature:
- Backed by a 2 Years Warranty-year warranty for dependable service life and reliable performance under everyday driving conditions.
- Product Group: 2312, NUMAX PREMIUM CV BATTERY, engineered to deliver consistent starting power and steady performance in demanding automotive applications.
- Engineered as a 1 12.0 battery, ensuring consistent current flow, strong cranking power, and stable voltage delivery.
- Built by Numax, offering dependable everyday performance and excellent value for a wide range of vehicles.
- Weighs 39.6 kg (87.3 lb), balancing high capacity with manageable handling for easy fitting and routine maintenance.
- OEM-style design ensures perfect terminal alignment, secure fitment, and support for both standard and start-stop vehicle systems.
Compatibility:
Developed by Numax as a 12.0 1 battery, offering stable energy output, dependable starting power, and compatibility across general automotive and light commercial applications.
Uses:
- Restores dependable starting for vehicles that require consistent, everyday performance in regular driving conditions.
- Suited to 1 battery applications, delivering steady operation for vehicles with start-stop or accessory-heavy systems.
- Supports stable electrical output for ignition, lighting, infotainment, and critical onboard electronics in all environments.
- Performs reliably across short commutes and longer journeys where consistent restarts and electrical stability are essential.
About PartsForMachines:
PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specialising in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalogue of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
Fitment Warning:
You must check your current battery against the specifications of this battery before ordering to ensure that this is the correct battery for your vehicle. Check battery technology, dimensions, terminal type, polarity, capacity (AH) and cranking performance (CCA). We cannot guarantee correct fitment under any circumstances.