SP12-18 (NB) 12V 18AH Earthwise Compatible Replacement Battery Set
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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 | 18 Ah
Terminal Type
Nut & Bolt
SP12-18 (NB) 12V 18AH Battery (2-Pack) — Compatible with Earthwise Electric Lawn Mower
Upgrade your Earthwise Electric Lawn Mower with this reliable, OEM-compatible replacement battery pack. The SP12-18 (NB) 12V 18AH high-performance battery (2-pack) is engineered for consistent power delivery, extended run time, and dependable starting every season. Designed as a direct drop-in replacement, this package gives your mower the boost it needs for longer mowing sessions while maintaining the safety and convenience of a hassle-free installation. If you’re searching for a long-lasting battery solution that balances performance and value, this SP12-18 (NB) 12V 18AH replacement battery set is built to deliver.
Key Specifications
- Model: SP12-18 (NB)
- Compatible With: Earthwise Electric Lawn Mower
- Voltage: 12 Volts
- Capacity: 18 Ah (18AH)
- Pack Quantity: 2-Pack
- Terminal Type: Nut & Bolt
- OEM Compatibility: Meets or exceeds OEM specifications
- Construction: Durable construction for long-lasting performance
Benefits
This SP12-18 (NB) 12V 18AH battery 2-pack is a high-performance battery solution tailored for small electric equipment like lawn mowers. Its durable construction and OEM-level design deliver a long-lasting battery life and reliable starting power even under frequent use. The 18Ah capacity provides extended runtime, so you can finish mowing with fewer interruptions or swap quickly between batteries for continuous operation. As a direct replacement battery, installation is straightforward—drop it into place and get back to work.
Because it meets or exceeds OEM specifications, you can count on consistent voltage and steady discharge characteristics that protect your mower’s electrical system and maximize motor efficiency. The nut & bolt terminal offers a secure, vibration-resistant connection—important for outdoor power equipment that encounters rough terrain. Typical applications include electric lawn mowers, backup power for small tools, and as a reliable power source for seasonal battery swaps. This pack is also an excellent option when you need a dependable battery for light emergency power or auxiliary systems in garden equipment.
Whether you need a dependable replacement battery for routine maintenance or a high-performance battery to restore peak mower performance, this 2-pack offers the value and reliability you expect. The SP12-18 (NB) 12V 18AH long-lasting battery pack is a smart investment for homeowners and landscapers who demand consistent power and easy installation.
Ready to restore full power to your Earthwise mower? Purchase this SP12-18 (NB) 12V 18AH replacement battery 2-pack today and experience dependable, long-lasting performance.
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