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SigmasTek  |  SKU: BW-7240

Scag Power Equipment STZ52-20KH High Performance Lawn Mower Replacement Battery

Sale price $102.50 USD Regular price $135.64
Shipping calculated at checkout.

➤ Factory fresh and brand new for reliable performance

➤ 100% compatible with Scag Power Equipment STZ52-20KH Lawn Mower

➤ Absorbent Glass Mat (AGM) technology for deep cycle use

➤ Valve regulated, spill-proof design ensures safety and durability

➤ Comes with a 1-year warranty and CE/U.L. certifications


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ Quick Reminder

🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
🔹 We only supply the batteries shown in the images. Device images are provided for reference only.

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Battery Care Guide

Battery Usage and Maintenance Guidelines 🔋

Please read the following instructions carefully before using your new battery. Proper adherence will help ensure optimal performance and extended service life.

1. Cordless Phones, PDAs, and Power Tools (NiMH, NiCd, Lithium-Ion) 📱

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Operate the device until the battery reaches approximately 20% capacity.
  • Avoid premature recharging.
  • Do not allow the battery to fully discharge during the initial cycles.

Post-Conditioning

  • Recharge the battery only when necessary.
  • These batteries are capable of approximately 500 charge cycles:
  • Once daily → ~500 days
    Twice daily → ~250 days
    Note: Even a partial recharge is considered a full cycle.

2. Sealed Lead Acid (SLA) Batteries 💡

  • No conditioning required.
  • Maintain the battery in a fully charged state; avoid complete discharge.
  • Capable of 300–400 charge cycles.
  • Expected service life: 2–3 years, depending on usage conditions.

3. Laptop Batteries (Lithium-Ion) 💻

Initial Charge

  • Fully charge the battery overnight prior to first use.

Conditioning (First 2–6 Charge Cycles)

  • Charge fully, then discharge to approximately 20% capacity.
  • Avoid complete discharge, as some devices may not detect a fully drained battery.

Post-Conditioning

  • Minimize frequent plugging and unplugging.
  • Allow the battery to discharge moderately at least once per month to maintain optimal performance.
  • Occasional cycling is recommended to sustain battery health.

Professional Recommendation

Adhering to these guidelines will enhance battery longevity and ensure reliable performance.

For further assistance regarding your battery or order, our customer support team is available to provide guidance.

Delivery and Shipping

Everything You Need to Know About Shipping with BatteryWeb (USA)

We know reliable delivery matters when you need power fast. Here’s how BatteryWeb makes shipping easy across the USA:

🚚 Shipping & Delivery

Most orders ship next business day (some products like sealed lead acid may take a little longer).

Same-day shipping available if you order before 11:59 AM (delivery depends on the carrier).

We ship nationwide using FedEx, UPS, USPS, DHL, and regional ground carriers.

Shipping costs are calculated automatically at checkout based on weight, distance, and carrier.

Transit times shown are estimates only (business days, no weekends/holidays).

🌍 Shipping Restrictions

Lithium batteries cannot be shipped by USPS or air. They must go via FedEx Ground, UPS Ground, or DHL Ground.

PO Box deliveries are only available via USPS.

At this time, we do not ship lithium batteries to Puerto Rico. NiMH, NiCd, and Alkaline can be shipped.

📦 Important Notes

Double-check your shipping address! If an incorrect address is used and the order is returned, re-shipping costs are the buyer’s responsibility.

If a product is temporarily out of stock, we’ll notify you right away with the expected restock date—or issue a refund if you prefer.

💲 Currency & Pricing

All prices are shown in USD.

Orders shipped outside the USA may be subject to local taxes, customs fees, or import duties. These are the buyer’s responsibility.

⚡ At BatteryWeb, we’re committed to getting your batteries delivered quickly, safely, and affordably—so you’ll always have the power you need, when you need it.

Disclaimer

⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

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

🔹 Our products are generic replacement parts and are not affiliated with, endorsed by, or manufactured by the original equipment manufacturers (OEMs).


Volts & Amps

12 Volts | 35 AH

Terminal Type

Nut & Bolt

Replacement Scag Power Equipment STZ52-20KH Lawn Mower Battery - Compatible with STZ52-20KH

Restore reliable starting and long run times for your Scag Power Equipment STZ52-20KH with this factory-fresh replacement battery. Built to be fully compatible with the STZ52-20KH model, this SP12-35 NB (12 V 35 AH) unit offers the deep-cycle capability and spill-proof safety that professionals and homeowners depend on. If you want a high-performance battery that installs using your mower’s existing cables and hardware, this replacement battery delivers dependable power for routine mowing and extended yard projects.

Key Specifications

  • Compatible Model: Scag Power Equipment STZ52-20KH Lawn Mower
  • Battery Model: SP12-35 NB
  • Voltage: 12 V
  • Capacity: 35 AH
  • Terminal Type: Nut & Bolt
  • Technology: Absorbent Glass Mat (AGM)
  • Construction: Valve Regulated Spill Proof
  • Designed For: Deep Cycle Usage
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Performance: Performance Guaranteed

Benefits

This replacement battery is designed for durability, delivering consistent power under the vibration and impact conditions common to mowing equipment. The AGM cells provide superior power/volume ratio and energy density so you get more usable capacity in a compact package. As a long-lasting battery tailored for deep-cycle use, it supports multiple discharge/recharge cycles without significant capacity loss, making it ideal for frequent mowing or heavy-duty jobs. The valve-regulated, spill-proof design reduces maintenance and enhances safety during installation and operation.

Durability: Built to withstand the rigors of outdoor equipment with vibration-resistant internal construction. Long life: Deep-cycle design lets this battery endure repeated use and recharge cycles. High performance: Reliable voltage under load ensures consistent operation for ignition, PTO, lighting, and accessories.

  • Typical applications: Zero-turn and riding mowers, garden equipment
  • Also suitable for: Emergency backup (UPS), standby systems, portable power applications and tools requiring 12 V 35 AH capacity

Make the smart choice for your mower—order this replacement Scag Power Equipment STZ52-20KH SP12-35 NB high-performance battery today. In-stock orders typically ship within 24 hours, so you can get back to mowing quickly and confidently.


Payment & Security

Payment methods

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