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SigmasTek  |  SKU: BW-15653

Sunnyway SWE12440 High Performance Replacement Battery

Sale price $113.99 USD Regular price $170.58
Shipping calculated at checkout.

➤ Absorbent Glass Mat (AGM) technology for enhanced performance

➤ Maintenance-free and spill-proof design for worry-free use

➤ U.L. Recognized and CE Certified for safety and reliability

➤ Brand new, factory fresh for guaranteed quality

➤ 1 year warranty ensures long-term peace of mind


📦🚀 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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Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
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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 | 40 Ah

Terminal Type

Nut & Bolt

Sunnyway SWE12440 Battery (Replacement) - Compatible with Sunnyway SWE12440

Upgrade your power system with this replacement battery engineered for perfect compatibility with the Sunnyway SWE12440 model. Designed to deliver dependable performance and reliable standby power, this high-quality replacement battery uses proven Sealed Lead Acid (SLA) technology to meet or exceed OEM specifications. Whether you need steady reserve power for critical equipment or a dependable pack for daily use, this high-performance battery offers the reliability and consistency you expect.

Key Specifications

  • Model Compatibility: Sunnyway SWE12440
  • Battery Type: Rechargeable Sealed Lead Acid (SLA)
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Voltage: 12 Volts
  • Capacity: 40 Ah
  • Terminal Type: Nut & Bolt
  • Brand: SigmasTek
  • Design: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatibility Note: Meets or exceeds OEM SLA battery specifications

Benefits

  • Durability: Built with AGM technology and spill-proof construction, this replacement battery offers robust durability in a sealed, maintenance-free design ideal for long-term use.
  • Long Life: Designed to provide consistent charge-discharge cycles and reliable standby power, making it a long-lasting battery solution for routine and emergency applications.
  • High Performance: A high-performance battery that delivers steady 12V output and dependable capacity to keep critical systems running when you need them most.
  • Safe and Certified: U.L. recognition and CE certification ensure safe manufacturing standards and dependable performance in a wide range of environments.
  • Versatile Applications: Perfect for UPS systems, emergency lighting, security systems, medical equipment, alarm systems, telecommunications, and portable power tools where dependable backup power is required.
  • Maintenance-Free Convenience: The sealed AGM design eliminates the need for watering or routine maintenance, simplifying installation and upkeep.
  • OEM-Level Compatibility: Guaranteed compatibility with the Sunnyway SWE12440 model so you get the performance and fit you expect from an OEM equivalent replacement battery.

Choose this long-lasting battery replacement to restore reliable power to your equipment. If you need a replacement battery that combines durability, safety certifications, and maintenance-free convenience, the Sunnyway SWE12440 (SigmasTek) 12 Volts 40 Ah Nut & Bolt battery is an excellent choice. Order now to secure a high-performance battery with a 1 year warranty and fast delivery.


Payment & Security

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