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SigmasTek  |  SKU: BW-17308

STX20L-BS 12V 18Ah High Performance Replacement Battery for Polaris 550 XP X2 (2009) 11.62 lb

11% off
Sale price $75.99 USD Regular price $84.99
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Direct replacement for Polaris 550 XP, X2 (2009) models
Meets or exceeds OEM specs for reliable starting power
12V 18Ah capacity supports ATV and accessory needs
Sealed AGM design ensures maintenance-free, leak-proof use
Durable construction resists vibrations and impacts off-road
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🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

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Volts & Amps

12 Volts | 18 Ah

Terminal Type

Nut & Bolt

STX20L-BS Battery — Replacement for Polaris 550 XP / X2 (2009) — 12V 18Ah

Give your Polaris 550 XP or X2 (2009) the reliable power upgrade it deserves with the STX20L-BS replacement battery. This 12V 18Ah high-performance battery uses sealed Absorbed Glass Mat (AGM) technology for maintenance-free operation, leak resistance, and dependable starts even under heavy accessory loads. Built to meet or exceed OEM specifications, it’s designed to deliver the strong cranking power and durability required for off-road performance and extended use.

Key Specifications

  • Model: STX20L-BS
  • Compatible Models: Polaris 550 XP, X2 (2009)
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 18 Ah
  • Terminal Type: Nut & Bolt
  • Technology: Sealed Absorbed Glass Mat (AGM) — maintenance-free and leak-resistant
  • Performance Notes: High discharge rate for quick and efficient starting; meets or exceeds OEM specifications; durable construction for vibration and impact resistance

Benefits

  • Durability: Rugged AGM construction withstands vibrations and impacts common to off-road riding, helping ensure dependable service life.
  • Long Life: Sealed, maintenance-free AGM design prevents fluid loss and reduces corrosion, providing a longer useful life and reliable performance — a true long-lasting battery for your Polaris.
  • High Performance: High discharge rate and consistent cranking power give you fast, reliable starts and steady power delivery for accessories and lights.
  • Perfect Fit: Direct replacement for Polaris 550 XP / X2 (2009) models for simple installation and secure mounting.
  • Versatile Use: Ideal for ATV starting needs as well as emergency backup, small UPS applications, and power tools requiring a 12V replacement battery.
  • Maintenance-Free Convenience: AGM technology eliminates the need for regular maintenance and ensures spill-proof handling for safety and convenience.

Upgrade to this STX20L-BS high-performance battery for reliable starts and long-lasting power in your Polaris 550 XP/X2. Buy now to ensure your vehicle is ready whenever you are.

Technical Specifications

Voltage12 Volts
Amp Hours18 Ah
Terminal TypeNut & Bolt
Cold Cranking Amps (CCA)270
Length (in.)6.89
Width (in.)3.43
Height (in.)6.14
Weight (lb.)11.61

Product Highlights

  • Manufacturer: SigmasTek
  • Product Type: Powersport Batteries
  • Warranty: 6 Months
  • Bulk Orders: sales@batteryweb.com

Connections & Interface

  • Polarity: "'-/+"

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