Dewalt CMM650 Lawn Mower High Performance 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 | 26 Ah
Terminal Type
Nut & Bolt
Replacement Dewalt CMM650 Lawn Mower Battery — Compatible with Dewalt CMM650
Get dependable power for your Dewalt CMM650 Lawn Mower with this brand new replacement battery built for compatibility, strong performance, and lasting reliability. Conforming to the SP12-26 NB specification, this replacement battery features AGM technology and is designed specifically for deep-cycle usage. If your mower needs a reliable, maintenance-free power source, this unit provides the consistent output and rugged construction required for outdoor equipment.
Key Specifications
- Compatible Model: Dewalt CMM650 Lawn Mower
- Required Quantity: 1 battery (per mower)
- Part Number / Fit: SP12-26 NB
- Voltage: 12 V
- Capacity: 26 AH
- 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
Benefits
This replacement battery is engineered to offer long life and dependable operation. AGM construction enhances vibration resistance and reduces maintenance needs, while the deep-cycle design supports reliable run-times through repeated discharge/recharge cycles. It is an excellent long-lasting battery option for homeowners and professionals who rely on consistent mower performance. The valve-regulated spill-proof build improves safety and installation simplicity, and the superior power-to-volume ratio gives you strong energy density in a compact package.
Beyond lawn mower use, this high-performance battery works well in backup power applications, UPS systems, emergency power supplies, and portable equipment that demand stable, maintenance-free energy. U.L. and CE certifications back its safety and manufacturing quality, and a 1 year warranty provides additional assurance.
To install, reuse all existing cables and hardware from the original battery. In-stock items normally ship within 24 hours. For help choosing or installing the correct replacement, contact our customer service team at or by e-mail.
Ready to replace your old battery? Purchase this replacement Dewalt CMM650 high-performance battery now and benefit from a long-lasting battery solution that restores power, performance, and peace of mind. Add to cart today.
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