Rolls S2-486GEL – 2V OPzV GEL Deep Cycle Battery (Factory Second)
Get premium battery performance at a fraction of the price. This is a factory second unit of the Rolls S2-486GEL — a 2V, 486Ah OPzV tubular-plate GEL cell from Rolls Battery Engineering, one of the world's leading lead-acid battery manufacturers based in Nova Scotia, Canada, with a track record dating back to 1959.
Factory seconds meet full electrical specifications but may exhibit minor cosmetic imperfections such as surface scuffs, label irregularities, or slight case blemishes from the manufacturing process. Performance and cycle life are not affected.
Key Features:
- OPzV tubular positive plates with immobilized GEL electrolyte, built for heavy daily cycling and long float service, with a floating design life of more than 20 years at 25°C
- Sealed, valve-regulated, non-spillable design with integral flame arrestor; no watering or electrolyte checks needed
- 2V single cell: wire 6 in series for 12V, 12 for 24V, or 24 for 48V
- Well suited for off-grid solar banks, telecom, backup power, and industrial applications requiring dependable long-term energy storage
- Low self-discharge: less than 2% per month at 20°C
- Dimensions: 5.71" L × 8.11" W × 19.61" H (145 × 206 × 498 mm)
- Weight: 37kg (81.57 lbs)
Specifications:
- Voltage: 2V
- Capacity (20°C): 486Ah @ 10hr / 551Ah @ 20hr / 668Ah @ 100hr
- Chemistry: VRLA GEL (OPzV), tubular positive
- Terminals: 2 × M10
- Float Voltage: 2.25–2.30 V per cell @ 25°C
- Recommended / Max Charge Current: 42A / 126A
- Internal Resistance: 0.6 mΩ (fully charged, 25°C)
- Constant Current Discharge to 1.80 V/cell: 283.5A for 30 min · 214.0A for 1hr · 91.6A for 4hr · 67.6A for 6hr · 48.6A for 10hr
- Capacity vs. Temperature (20hr rate): 105% @ 40°C · 100% @ 25°C · 89% @ 0°C · 79% @ -15°C
- Certifications: UL recognized, CE, ISO 9001 manufacturing
- Installation: Vertical
Shipping: At 37kg, this cell ships by freight. Choose freight delivery at checkout and we'll contact you with a quote, or choose pickup from our warehouse and we'll email you when it's ready.
Final sale: no returns or exchanges. Includes a 30-day warranty against manufacturer's defects; cosmetic imperfections are not covered.