Deep-cycle and dual-purpose battery applications demand consistent performance across extended discharge and recharge cycles. The Rolls 12FS185-HC is a 12-volt flooded lead-acid battery from the FS Series, offering 210Ah of capacity at the C20 rate and 166Ah at the C5 rate, making it well suited to commercial, marine, leisure, and off-grid energy applications where reliable sustained output is essential.
Rolls Battery Engineering developed the FS Series to address the increasing performance demands placed on batteries in modern markets. The range incorporates a redesigned plate with a larger active surface area and higher-density paste formulation, delivering improved energy throughput and extended cycle life compared to conventional flooded battery constructions. Manufacturing is carried out under Rolls Battery Engineering's established quality processes.
The 12FS185-HC measures 391mm 178mm 365mm (L W H including terminal) and weighs 52kg. Terminal configuration and polarity should be confirmed by referring to the product label prior to installation. Cross-reference codes for this unit include 12-LC-185-HC, US185HC, and J185P. Suitability for start-stop applications has not been confirmed; refer to the product label for guidance.
This product is available alongside related FS Series variants including the 12FS31 (PID000199552) and the 12FSGC-HC (PID000199553), providing options across different capacity and application requirements within the same range." The 12FS185-HC is supplied with a 1-year warranty covering defects in materials and workmanship under normal operating conditions. "Delivery: pallet shipment, typically 35 working days within UK mainland. Contact PartsForMachines for delivery quote. 30-day returns.
Professional Dual Purpose AGM – suitable for solar power Full leak-proof (electrolyte absorbed in glass mat) No gases, ideal for in-cabin installation Fully sealed and completely maintenance-free Made in Germany Specially developed for camper vans and caravans with high power consumption Long life: up to four times higher cycle ability compared to conventional batteries Low self-discharge rate, therefore ideal for seasonal use AGM technology for ultimate impact and vibration resistance Suitable as power supply and starter battery.
Key Feature:
- Backed by a 2 Years Warranty-year warranty for dependable service life and reliable performance under everyday driving conditions.
- Product Group: 2161, Professional Dual Purpose EFB, engineered to deliver consistent starting power and steady performance in demanding automotive applications.
- Engineered as a 1 12.0 battery, ensuring consistent current flow, strong cranking power, and stable voltage delivery.
- Weighs 52 kg (78.8 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:
Engineered for leisure and recreational vehicles, offering deep-cycle discharge capability and sustained energy delivery for extended off-grid power during camping or seasonal travel use.
Uses:
- Restores dependable starting for vehicles that require consistent, everyday performance in regular driving conditions.
- Suited to 1 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.