MTD Q665H Lawn Mower High Performance Replacement Battery
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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
Replacement MTD Q665H Lawn Mower Battery — Compatible with MTD Q665H
Restore reliable starting and deep-cycle performance to your MTD Q665H with this factory-fresh replacement battery. Specifically engineered to be 100% compatible with the MTD Q665H lawn mower, this high-performance battery offers the consistent power you need for mowing, attachments, and maintenance tasks. With AGM technology and valve-regulated, spill-proof construction, it’s a long-lasting battery built to withstand outdoor use and seasonal storage.
Key Specifications
- Compatible Model: MTD Q665H
- Battery Model Required: SP12-35 NB (12 V 35 AH)
- Voltage: 12 Volts
- Capacity: 35 AH (Amp-Hours)
- Terminal Type: Nut & Bolt
- Technology: Absorbent Glass Mat (AGM) Technology
- Usage Type: Designed For Deep Cycle Usage
- Construction: Valve Regulated Spill Proof Construction
- 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
- Performance: Performance Guaranteed
- Brand: MTD (replacement)
- Quantity Required: 1 battery
Benefits
- Durability: Robust AGM construction resists leakage and tolerates vibration and outdoor conditions, delivering a dependable power source season after season.
- Long Life: Engineered for deep-cycle use to provide extended service life and a long-lasting battery experience for frequent or extended mowing sessions.
- High Performance: Superior energy density and optimized power-to-volume ratio ensure strong starting currents and consistent performance under load, classifying it as a true high-performance battery.
- Multi-Purpose Use: Ideal for the MTD Q665H lawn mower, and also suitable for UPS backup systems, emergency power setups, and tools that need a stable 12V 35AH supply.
- Certified Safety: U.L. recognition and CE certification ensure the battery meets established safety and quality standards.
- Simple Swap-In: Designed for direct replacement — reuse all original cables and hardware for quick installation using the nut & bolt terminals.
Choose this replacement MTD Q665H battery for dependable power, long life, and proven performance backed by a 1-year warranty. If you want a reliable, long-lasting battery that performs under real-world conditions, add this high-performance battery to your cart and get fast shipping to get back to work.
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