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Onyx
Onyx Battery Floor Burnisher, Lithium Iron Phosphate (LFP), 27 inch, Dual Battery - SXi-2702
- Regular price
- $14,495.00
- Sale price
- $13,045.00
Sale
- Regular price
- $14,495.00
- Sale price
- $13,045.00
Sale
Estimated Shipping Time
Estimated Shipping Time
You can typically expect your items to arrive within 4-7 business days, depending on your location and product availability.
What is your Return Policy?
What is your Return Policy?
Hassle-Free Returns
You can return unused, undamaged items in original packaging within 14 days of delivery.
- Contact us within 48 hours for a free replacement or full refund.
- We’ll cover return shipping and send the correct product.
- You cover return shipping; refund issued to your original payment method.
Refunds are processed within 14 days after we receive and inspect your return.
Please see the full Return & Refunds Policy page for more information
Contact: support@centrasupply.com | (630) 634-7281

Meet the ONYX SXi — the world’s first 72V lithium-ion, zero-emission high-speed burnisher built to match propane performance without the fumes, noise, or downtime. Designed for contractors, facility managers, and janitorial teams, the SXi delivers brilliant floor shine with whisper-quiet efficiency and eco-conscious power. Matching the industry leading productivity of our propane machines, this zero-emission machine is a game changer for cleaning and floor prep. contractors.
SXi can be factory configured as a burnisher, or as a floor stripper, or as a concrete polishing and honing machine.
Key Features
- Lithium-Ion Battery Powered – Long runtime, fast recharge, no cords, no fuel.
- Zero Emissions & Ultra-Quiet – Safe for schools, hospitals, retail, and high-traffic indoor spaces.
- Propane-Grade Performance – All the gloss, none of the fumes.
- Fewer Passes, Higher Gloss – Engineered for maximum shine with reduced labor and pad use.
- Three Head Size Options – Easy head size change from 21", 24" or 27". Can we ordered in any of these three head sizes.
- Configuration Versatility – Variable speed range (600 - 1,800 RPM), onboard 10-gallon water tank for stripping/polishing use, wide range of pad/brush down-force adjustments.
- Advanced Dust Control – Cleaner air, healthier workspace, and superior finish quality.
Specifications
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Working Width: 27"
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Motor Power: 5 HP (3.75 kW)
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System Voltage: 72 V
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Battery Capacity (Dual): 120 AH / 8.64 kWh
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Battery Life: 2,500 cycles
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Runtime: Up to 4 hours per charge
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Charge Time: 4.8 hours per battery
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Productivity: Up to 34,000 sq. ft. per hour
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Pad Speed: 1,050–1,800 RPM (variable)
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Sound Level: <63 dBA
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Pad Pressure: 20–120 lbs (variable)
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Dimensions: 29"W x 64"L x 42"H
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Weight: 325 lbs (with 2 batteries)
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Water/Solution Tank: 10 gallons (disconnected in burnisher mode)
Product Documents
SXi Data Sheet
Product specification and additional features.
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