Motorcycle batteries operate in demanding conditions, subjected to vibration, temperature extremes and the high initial current draw required to start engines reliably. The Numax YB9B is a 12V 9Ah conventional acid-pack motorcycle battery engineered to meet these demands at a competitive price point, making it a practical choice for everyday two-wheel applications.
Numax motorcycle batteries are built to deliver consistent performance across a broad range of machine types. The YB9B produces 115 CCA (EN), providing the cold cranking capability required to start mid-capacity motorcycle engines dependably across varying seasonal temperatures. The battery is supplied complete with an acid pack, ready for initial activation prior to fitment." The YB9B measures 135mm (L) 75mm (W) 138mm (H including terminal) and weighs 2.87kg. It uses a standard Terminal Type 2 configuration with Polarity 1 layout and Hold-down B00. The cross-reference code for this battery is YB9-B. Buyers should note that start-stop compatibility is not confirmed for this product please refer to the product label before fitment. "The Numax motorcycle battery range is extensive, covering almost every battery size produced for motorcycles. Additional variants available within the range include YB10LA2, YB10LB2, YB12AA, YB14AA2, YB14B2, YB14LA2, YB16ALA2, YB16B, YB14LA2, and Y50N18LA2, among others, ensuring broad application coverage across manufacturers and engine sizes.
This battery is backed by a 1-year warranty, providing assurance of dependable service life under normal operating conditions.
Delivery: contact PartsForMachines for availability and shipping options. 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.
Key Feature:
- 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 2.87 kg (6.3 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:
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.
Uses:
- 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.
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.