Speedex Tractor Co. 840 Long Life Lawn Mower Replacement Battery
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🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
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Battery Care Guide
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
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
⚠️ 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
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.
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