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SigmasTek  |  SKU: BW-7176

Speedex Tractor Co. 840 Long Life Lawn Mower Replacement Battery 24.72 lb

17% off
New arrival
Sale price $122.99 USD Regular price $148.99
Shipping calculated at checkout.
Factory fresh replacement battery for Speedex Tractor Co. 840 Lawn Mower
12V 35 AH capacity with Absorbent Glass Mat (AGM) technology for deep cycle use
Valve regulated, spill-proof design ensures safety and durability
High energy density delivers reliable, long-lasting power performance
U.L. recognized, CE certified, and backed by a 1-year warranty
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Battery Care Tips

🔹 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.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.


Volts & Amps

12 Volts | 35 AH

Terminal Type

Nut & Bolt

Speedex Tractor Co. 840 Lawn Mower Battery (Replacement) — Compatible with Speedex Tractor Co. 840

Bring your Speedex Tractor Co. 840 back to life with this premium replacement battery engineered for reliability, deep-cycle strength, and consistent output. This high-performance battery is a direct replacement for the Speedex Tractor Co. 840 Lawn Mower and delivers the robust performance and long life needed for regular mowing, accessory use, and other outdoor power demands.

Key Specifications

  • Compatible Model: Speedex Tractor Co. 840 Lawn Mower
  • Required Battery Model: SP12-35 NB
  • Voltage: 12 Volts
  • Capacity: 35 AH (Amp-Hours)
  • Terminal Type: Nut & Bolt
  • Technology: Absorbent Glass Mat (AGM)
  • Designed For: Deep Cycle Usage
  • Construction: Valve Regulated, Spill Proof
  • Energy Density: Power/Volume Ratio Yielding Unrivaled Energy Density
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Quantity Required: 1 Battery
  • Shipping Note: In-stock items typically ship within 24 hours

Benefits

This long-lasting battery is engineered to withstand the rigors of regular lawn care. The AGM design provides excellent vibration resistance and reduced maintenance compared with flooded batteries, while the valve-regulated spill-proof construction ensures safe, worry-free installation and operation. Rated for deep-cycle use, it handles repeated discharge cycles without significant loss of capacity, making it ideal for longer mowing jobs or powering accessories and attachments.

As a high-performance battery, it offers reliable voltage under load and a superior power-to-volume ratio that yields exceptional energy density in a compact form. It is also well-suited for secondary applications such as uninterruptible power supplies (UPS), emergency backup systems, portable tools, and utility equipment needing steady 12V power. U.L. recognition and CE certification confirm adherence to recognized safety standards, and the included one-year warranty and factory-fresh status provide additional purchase confidence.

Don’t let a weak battery slow you down. Order this Speedex Tractor Co. 840 replacement battery now for reliable, long-lasting power and quick shipping.

Technical Specifications

Voltage12 Volts
Amp Hours35 AH
Terminal TypeNut & Bolt
Length (in.)7.72
Width (in.)5.14
Height (in.)6.22
Weight (lb.)24.7

Product Highlights

  • Brand Replacement : Speedex Tractor Co.
  • Manufacturer: SigmasTek
  • Product Type: Home Power Backup
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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