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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £19.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £19.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £7.99 | 3 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £7.99 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £7.99 | 7 to 10 working days |
Heavy commercial vehicle applications demand a battery capable of sustaining high-current cranking under sustained load, particularly in cold or multi-start operating conditions. The Numax Premium Commercial Vehicle Battery C31-800 is engineered to meet those demands, delivering consistent, reliable starting performance across trucks, buses, and large-displacement commercial engines.
The C31-800 operates at 12V. Built to the highest specification within the Numax Premium CV range, this battery is manufactured to withstand the elevated electrical demands of modern commercial vehicle systems. The 800A cold cranking amp (EN) rating ensures dependable engine starts in low-temperature conditions, while the 105Ah capacity supports prolonged accessory loads between ignition cycles.
The C31-800 occupies a 330mm × 175mm – 230mm footprint within a C31 case, with Type 1 terminal posts and B00 hold-down configuration. It carries a cross-reference designation of 640, making it a direct replacement for batteries listed under that reference. Start-stop compatibility is not confirmed – refer to the product label before fitment on start-stop equipped vehicles. Weight is 23.3kg.
This battery is one of several within the Numax Premium CV range. Compatible alternatives include part numbers 249H, 250H, 643, 663, 664, 665, 616R, 663H, S637, and 616L, covering a broad spread of commercial vehicle fitments.
The C31-800 is backed by a 2-year warranty, providing assurance of manufacturing quality and long-term service reliability.
Standard delivery: 1–3 working days within UK mainland. 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: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: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.
| Brand | Numax Batteries |
|---|---|
| Voltage | 12V |
| Capacity AH (C20) | 105Ah |
| Cold Cranking Amps (EN) | 800A |
| L × W × H | 330mm × 175mm × 230mm |
| Warranty period | 2 Years |
| Weight (Kg) | 23.3 |
| Capacity AH (C5) | |
| Capacity AH (C10) | |
| Capacity AH (C100) | |
| Marine Cranking Amps (MCA) | |
| Watt-Hours (WH) | |
| Length (mm) | 330 |
| Width (mm) | 175 |
| Height Inc. Terminal (mm) | 230 |
| Terminal Placement | 1 |
| Terminal Type | 1 |
| Hold Down | B00 |
| Case Size | C31 |
| ETN Number | |
| TTNR |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Expert Guidelines for Preserving Your Heavy Equipment Battery Heavy machinery, including forklifts, bulldozers, and excavators, relies on robust batteries to minimize downtime and maximize operational availability. These batteries must endure even more challenging conditions than typical automotive batteries. Moreover,...
Standard Delivery: £7.99
Delivery Estimate: 3 to 5 working days
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| Technical Specification | ||||
|---|---|---|---|---|
| PRODUCT NUMBER | YBX1019 | YBX1616 | YBX1663 | YBX1664 |
| Voltage | 12 | 12 | 12 | 12 |
| Capacity (AH) | 90 | 110 | 110 | 110 |
| Hold Down | B13 | N | N | N |
| Cold Cranking Amps (EN1) | 800 | 680 | 750 | 750 |
| Terminal Type | T1 | T1 | T1 | T1 |
| Cell Layout | 0 | 0 | 0 | 1 |
| Length | 353 | 407 | 347 | 347 |
| Width | 175 | 176 | 174 | 174 |
| Height | 190 | 234 | 235 | 235 |
| Show More | ||||
A. The Numax C31-800 is rated at 800A cold cranking amps to the EN standard, making it suitable for reliable cold-weather starting in heavy commercial vehicles.
A. The C31-800 measures 330mm in length, 175mm in width, and 230mm in height including terminals. It is housed in a C31 case. Weight is 23.3kg.
A. The C31-800 uses Type 1 terminal posts with Polarity 1 configuration. Always verify terminal layout against your vehicle's battery tray before fitment.
A. The C31-800 uses a B00 hold-down configuration. Ensure your vehicle's battery retention system is compatible with this hold-down type prior to installation.
A. Start-stop compatibility for the C31-800 has not been confirmed. Please refer to the product label for guidance, and consult your vehicle manufacturer's specification before fitting this battery to a start-stop system.
A. The C31-800 carries a cross-reference designation of 640. This allows direct identification as a replacement for batteries listed under the 640 reference in commercial vehicle battery catalogues.
A. The C31-800 is backed by a 2-year manufacturer's warranty, covering defects in materials and workmanship under normal operating conditions.
A. The C31-800 is designed for heavy commercial vehicles including trucks, buses, and large-displacement diesel engines that require high cranking amperage and robust cycle endurance.
A. Yes. The Numax Premium CV range includes part numbers 249H, 250H, 643, 663, 664, 665, 616R, 663H, S637, and 616L, covering a broad range of commercial vehicle fitments. Comparable batteries from other brands include YBX1019, YBX1616, YBX1663, YBX1664, and YBX1643.
A. Standard delivery is 1–3 working days within UK mainland. A 30-day returns policy applies. The C31-800 is dispatched via standard parcel service. Contact our team for delivery queries on bulk or pallet orders.
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