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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 |
Selecting the correct leisure battery demands an honest assessment of your sustained power requirements. The Numax DC31MF is a 12V 105Ah dual-purpose leisure battery built to handle both the cyclic demands of onboard equipment and the occasional engine-starting duties common in caravans, motorhomes, narrowboats, and marine auxiliary applications. Rated to NCC Class B, it is independently assessed as suitable for light to moderate leisure use, providing a reliable reference point when specifying battery capacity against your actual load requirements.
Manufactured by Numax Batteries, the DC31MF belongs to the established Numax Standard CV range. This flooded lead-acid technology employs robust plate construction and a stable electrolyte composition to deliver consistent discharge performance over repeated charge and discharge cycles, making it a dependable choice for seasonal and year-round leisure installations." The DC31MF measures 330mm × 172mm × 239mm (L × W × H including terminal) and is housed in a Group 31 (GR31) case. It produces 680A Cold Cranking Amps (EN) and weighs 23.26kg. The battery features dual-terminal (DT) posts with Polarity 0 configuration and accepts a B00 hold-down bracket. No direct cross-reference part numbers are confirmed for this unit; suitability for start-stop applications is not confirmed – refer to the product label. "The DC31MF is part of a broad Numax leisure range. Related variants include the LV22MF, LV26MF, LV30MF, XV24MF, XV27MF, XV30HMF, XV30HRMF, XV31MF, XV35MF, and DC24MF, covering a range of capacities and form factors for different installations.
This battery is supplied with a 2-year warranty against manufacturing defect, supporting reliable service life across the warranty period.
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-year warranty for dependable service life and reliable performance under everyday driving conditions.
Built by Numax, offering dependable everyday performance and excellent value for a wide range of vehicles.
Weighs 23.26 kg, 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.
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.
| Brand | Numax Batteries |
|---|---|
| Voltage | 12V |
| Capacity AH (C20) | 105Ah |
| Cold Cranking Amps (EN) | 680A |
| L × W × H | 330mm × 172mm × 239mm |
| Warranty period | 2 Years |
| Weight (Kg) | 23.26 |
| Capacity AH (C5) | |
| Capacity AH (C10) | |
| Capacity AH (C100) | |
| Marine Cranking Amps (MCA) | |
| Watt-Hours (WH) | |
| Length (mm) | 330 |
| Width (mm) | 172 |
| Height Inc. Terminal (mm) | 239 |
| Terminal Placement | 1 |
| Terminal Type | DT |
| Hold Down | B00 |
| Case Size | GR31 |
| ETN Number | |
| TTNR |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
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Standard Delivery: £7.99
Delivery Estimate: 3 to 5 working days
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|
| Technical Specification | |
|---|---|
| PRODUCT NUMBER | ER450 |
| Voltage | 12 |
| Capacity (AH) | 95 |
| Cold Cranking Amps (EN1) | 650 |
| Length | 306 |
| Width | 173 |
| Height | 222 |
A. The DC31MF is rated at 680A Cold Cranking Amps to the EN standard, providing adequate engine-starting capability for dual-purpose installations alongside its cyclic leisure duties.
A. The battery measures 330mm in length, 172mm in width, and 239mm in height including the terminal. It is housed in a Group 31 (GR31) case.
A. The DC31MF uses dual terminals (DT) with a Polarity 1 configuration, meaning the positive terminal is positioned on the right when viewing the battery from the front. The hold-down type is B00.
A. Start-stop compatibility for the DC31MF is not confirmed. Please refer to the product label for guidance, or contact our technical team before fitting to a start-stop application.
A. The DC31MF holds an NCC Class B rating. This independently assessed classification indicates the battery is suitable for light to moderate leisure power demands, such as lighting, water pumps, and small appliances in caravans or motorhomes.
A. The DC31MF is suited to caravans, motorhomes, canal boats, narrowboats, and marine auxiliary installations where both cyclic deep discharge and occasional engine starting are required.
A. The DC31MF uses flooded lead-acid technology with robust internal plate construction. This is a standard wet cell design that requires upright installation and periodic electrolyte checks in accessible installations.
A. The DC31MF is backed by a 2-year manufacturer warranty against defects in materials and workmanship, supporting reliable service life from the date of purchase.
A. The Numax DC31MF is a 12V battery with a rated capacity of 105Ah (C20).
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