Maintaining reliable cold-start performance across a wide range of motorcycle applications demands a battery engineered to deliver consistent cranking power without unnecessary cost. The Numax YB12AA is a 12V, 12Ah conventional motorcycle battery supplied complete with an acid pack, designed to meet the demands of everyday riding across a broad spectrum of machines.
Manufactured within the Numax Standard motorcycle battery range, the YB12AA is built to conventional flooded lead-acid specification. Numax has engineered this range to provide dependable cranking performance at an accessible price point, with coverage extending across virtually every standard motorcycle battery format ever produced." The YB12AA measures 134mm × 80mm – 160mm (L × W × H) and weighs 4.08kg. It delivers 135 Cold Cranking Amps (EN) and carries a Terminal Type 2 configuration with Standard polarity (Polarity 1) and a B00 hold-down specification. The cross-reference code for this unit is YB12A-A. Compatibility with start-stop systems is not confirmed; please refer to the product label for guidance. "This battery is also available in a range of alternative motorcycle fitments, including the YB10LA2, YB10LB2, YB12ALA2, YB14AA2, YB14B2, YB14LA2, YB16ALA2, YB16B, YB16CLB, and Y50N18LA2, to suit differing capacity and dimensional requirements.
The YB12AA is supported by a 1-year manufacturer's 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 4.08 kg (9.0 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.
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.