Motorcycle electrical systems demand a power source that delivers reliable cranking performance within a compact, lightweight form factor a requirement that conventional lead-acid technology increasingly struggles to meet on modern small-displacement and sports machines. The Bosch BLTX5L-BS is a 12V 1.6Ah lithium-ion motorcycle battery engineered to address this challenge, offering 95 Cold Cranking Amps from a unit weighing just 0.45kg.
Manufactured under Bosch's lithium motorcycle battery programme (Product Group 2632), the BLTX5L-BS incorporates a built-in charge status indicator, enabling the operator to assess state of charge at a glance without ancillary equipment. An integrated voltage tester and passive cell balancer work in combination to regulate discharge across individual cells and promote fast, balanced charging reducing thermal stress and supporting consistent performance over the battery's service life.
The battery measures 113mm (L) 69mm (W) 85mm (H) and carries the manufacturer's EAN reference 4047025323581. Terminal placement and polarity must be verified against the label affixed to the unit prior to installation. Start-stop system compatibility is not confirmed for this part; refer to the product label for guidance. IP rating, MCA, and watt-hour data are not applicable to this specification.
The BLTX5L-BS is available alongside related Bosch lithium motorcycle battery variants including the BLTX9-BS, BLTX14-BS, BLTZ10S, BL51913, and BLIX30L-BSQ, covering a range of capacity and fitment requirements.
This battery is supplied with a 1 Year Warranty against manufacturing defects, providing documented assurance of product integrity for the duration of the warranty period.
Standard delivery: 13 working days within UK mainland. 30-day returns.
Easy to use thanks to the charge status indicator that allows to know at any time the charge status of the battery. The built-in voltage tester and passive balancer ensures balanced discharge and fast charging of the cells for more safety and performance 4 times higher service life compared to conventional batteries. The self-discharge is also extremely low : 3 times lower than an AGM battery and 9 times lower than a lead-acid battery. Acid-free battery, no leakage and absolutely maintenance-free. The battery can be installed in any position. For reliable and fast starting of sports and racing motorcycles, even in extreme weather and operating conditions Suitable for motorcycles with ABS and ESP® (racing machines, off-road and touring), enduros, scooters, quads, jet skis, applications with many electrical consumers Extended compatibility of several regular battery size types thanks to foams and spacers provided in the battery package (see technical sheet in document section) It is recommended to fully recharge the battery before installation and first use.
Key Feature:
- Backed by a 1 Year Warranty-year warranty for dependable service life and reliable performance under everyday driving conditions.
- Product Group: 2632, BOSCH LITHIUM MOTORCYCLE BATTERY, engineered to deliver consistent starting power and steady performance in demanding automotive applications.
- Engineered as a No 12.0 battery, ensuring consistent current flow, strong cranking power, and stable voltage delivery.
- Manufactured by Bosch, a German engineering leader delivering advanced technology and durable performance in modern vehicles. .
- Weighs 0.45 kg (1.0 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 No 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.
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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.