Rolls 12 FS 185-HC - 12V 210Ah Deep Cycle Battery (Gr 921)

Rolls 12 FS 185-HC Deep Cycle Battery — Group 921 | 12V | 210Ah

The Rolls 12 FS 185-HC is a premium 12V Group 921 flooded deep cycle battery delivering 210Ah of capacity — built for off-grid solar, RV, and marine applications where reliable runtime and cycle life are critical. Engineered with Rolls' proven flooded lead-acid construction and 406 minutes of reserve capacity at 25A, it's a dependable choice for serious energy storage. Backed by a 12 Month Warranty.

Key Features

• High Capacity — 210Ah (20hr) / 185Ah (10hr) — solid energy storage for deep cycle applications
• FLA (Flooded Lead-Acid) Construction — proven deep cycle technology for solar, RV, and marine use
• 406 Minute Reserve Capacity @ 25A — extended runtime for off-grid and backup power
• 810 CCA / 1013 MCA — reliable cranking capability when needed
• Dual Terminal (Type DT — A+S) — flexible wiring options for varied installations
• 12 Month Warranty

Specifications

• Voltage: 12V
• Group Size: 921
• Ah (20hr): 210 | Ah (10hr): 185
• CCA: 810 | MCA: 1013
• Reserve Capacity @ 25A: 406 min | @ 75A: 107 min
• Absorption Voltage: 14.7–15.0V | Float Voltage: 13.5V
• Terminal: Type DT — Dual Term (A+S)
• Dimensions: 15.4" L × 7" W × 14.6" H (391 × 178 × 371 mm)
• Weight: 52.0 kg
• Chemistry: Flooded Lead-Acid (FLA)

Ideal For

• Off-grid and solar energy storage systems
• RV and recreational vehicle house battery banks
• Marine deep cycle applications
• Large 12V battery banks requiring Group 921 batteries

⚠️ Due to the weight of this battery, some delivery areas may require forklift access. Please contact us before placing your order to confirm delivery feasibility.

Ships from Thunder Battery — Canada's trusted battery dealer. Contact us directly for a custom shipping quote. Some order may qualify for FREE SHIPPING!