NTS12B4 Numax AGM Factory Sealed Motorcycle Battery 12V 10Ah, 1 Year Warranty

Motorcycle batteries must endure high-vibration environments, extended periods of inactivity, and repeated deep-discharge cycles – conditions that standard flooded cells handle poorly. The Numax NTS12B4 is a 12V 10Ah AGM (Absorbent Glass Mat) motorcycle battery engineered to meet these demands within a factory-sealed, maintenance-free format suitable for a wide range of mid-capacity bikes.

Numax positions this battery within its dedicated motorcycle range, which is designed to deliver reliable cold-start performance at an accessible price point. The AGM construction immobilises the electrolyte within a fibreglass mat separator, eliminating acid stratification and reducing self-discharge compared with conventional flooded designs. With a Cold Cranking Amp (CCA) rating of 210A (EN), the NTS12B4 provides dependable cranking power across a broad temperature range. The AGM technology also supports start-stop system compatibility – verify against the product label prior to fitment." The battery measures 150mm (L) × 69mm (W) × 130mm (H inc. terminal) and weighs 3.64 kg. It features a Type 2 terminal arrangement with Polarity 1 (positive terminal on the left when viewed from the front) and a B00 hold-down configuration. No direct OEM cross-reference codes are listed; buyers should verify fitment against their vehicle's specification sheet before ordering. "The NTS12B4 is one of numerous SKUs within the Numax motorcycle battery range. Related variants include the NTS12AA, NTS12ABS, NTS12BS, NTS14AA2, NTS14B4, NTS14BS, NTS14LA2, NTS16BS, NTS20LBS, and NTS4LB, covering a broad spread of capacities and case sizes for different motorcycle applications.

This battery is supplied with a 1-year manufacturer's warranty, providing assurance of service life under normal operating conditions.

Standard delivery: 1–3 working days within UK mainland. 30-day returns.

NUMAX motorcycle batteries offer great performance at a budget price. The range is vast covering almost every size of bike battery ever made. Each NUMAX motorcycle battery comes complete, either with an acid pack or factory sealed.

• Backed by a 1 Year Warranty-year warranty for dependable service life and reliable performance under everyday driving conditions.
• Product Group: 2350, NUMAX MOTORCYCLE BATTERY, engineered to deliver consistent starting power and steady performance in demanding automotive applications.
• Engineered as a 2 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 3.64 kg (8.0 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.

optimised for motorcycles and two-wheelers, ensuring consistent ignition power, rapid recharge capability, and stable energy supply for compact high-performance engines and accessory systems.

• Restores dependable starting for vehicles that require consistent, everyday performance in regular driving conditions.
• Suited to 2 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.

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.

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.