Starting a marine engine in cold or demanding conditions places considerable strain on a battery, requiring a reliable source of high-amperage cranking power without hesitation. The Varta Professional SLI LFS105N is purpose-built to meet this challenge, engineered specifically for small boats equipped with inboard and outboard engines where dependable starting performance is non-negotiable.
Manufactured by Varta, a brand with a long-established reputation in European battery technology, the Professional SLI range is constructed to SLI (Starting, Lighting, Ignition) standards. This technology delivers a powerful, concentrated burst of current on demand, making it the reliable first choice for marine starting applications where consistent performance across varying conditions is essential.
The LFS105N operates at 12V with a capacity of 105Ah (C20) and a Cold Cranking Amp (EN) rating of 800A, providing substantial starting power for engine sizes commonly found in leisure and small commercial marine vessels. Physical dimensions measure 330mm (L) × 172mm (W) × 238mm (H, including terminal), with a weight of 23.14kg. The battery features a Type 9 terminal and Hold-Down type B01, with Polarity 1 configuration. No direct cross-reference codes are currently listed; compatibility with start-stop systems has not been confirmed – refer to the product label.
The LFS105N is one of several capacities available within the Varta Professional Leisure range. Variants include LFS74, LFS75, LFS95, LFS105M, and LFS120, allowing selection to suit specific engine requirements and available battery compartment dimensions.
This battery is supplied with a 2-year warranty, providing assurance of product quality and manufacturing integrity.
Standard delivery: 1–3 working days within UK mainland. 30-day returns.
Key Feature:
- Backed by a 1 Year Warranty-year warranty for dependable service life and reliable performance under everyday driving conditions.
- 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.
- Manufactured by VARTA, a trusted name in automotive batteries, known for dependable quality.
- Weighs 23.14 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:
optimised for leisure and marine applications, 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.
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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.