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SigmasTek  |  SKU: BW-15779

Sunnyway SW12145W Premium Replacement Battery 24.72 lb

10% off
Sale price $122.99 USD Regular price $135.99
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Compatible replacement for Sunnyway SW12145W model
Uses advanced Absorbent Glass Mat (AGM) technology
Maintenance-free with spill-proof, durable construction
U.L. Recognized and CE Certified for safety and quality
Includes 1-year warranty and brand new factory freshness
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.


Volts & Amps

12 Volts | 35 AH

Terminal Type

Nut & Bolt

Sunnyway SW12145W Replacement Battery — Compatible with Sunnyway SW12145W

The Sunnyway SW12145W replacement battery provides proven compatibility, consistent performance, and dependable reliability for devices requiring a sealed lead acid solution. Built to meet or exceed OEM SLA specifications, this Sunnyway SW12145W is a high-performance battery using AGM technology and a maintenance-free, spill-proof design to ensure safe, long-term operation. Ideal as a replacement battery for UPS systems, emergency power, and equipment that demands steady power delivery.

Key Specifications

  • Model: Sunnyway SW12145W
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Listing Reference: Sunnyway SW12145W Battery (Replacement)*SigmasTek*12 Volts35 AHNut & Bolt
  • Seller/Reference: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 35 AH
  • Terminal Type: Nut & Bolt

Benefits

This replacement battery emphasizes durability and longevity through sealed AGM construction that resists leaks and tolerates vibration. As a long-lasting battery, the Sunnyway SW12145W is engineered for deep cycle and standby applications where dependable power over extended periods is critical. It’s a high-performance battery suitable for UPS and emergency backup systems, telecommunications equipment, alarm systems, mobility devices, and power tools that require steady, reliable current.

The maintenance-free design removes the hassle of routine electrolyte checks and water additions, reducing maintenance costs and complexity. Safety certifications including U.L. and CE indicate compliance with industry standards, and the brand new, factory fresh condition ensures maximum shelf life and capacity. Nut & bolt terminals ensure secure, vibration-resistant connections for permanent or semi-permanent installations.

Practical for both residential and commercial use, this Sunnyway SW12145W replacement battery gives you the confidence to maintain critical systems without unexpected downtime. Choose a battery that combines safety certifications, solid construction, and a supportive one-year warranty to protect your investment.

Don’t risk downtime — purchase this high-performance, long-lasting replacement battery for your Sunnyway SW12145W today and secure reliable power backed by a 1 year warranty.

Technical Specifications

Voltage12 Volts
Amp Hours35 AH
Terminal TypeNut & Bolt
Length (in.)7.72
Width (in.)5.14
Height (in.)6.22
Weight (lb.)24.7

Product Highlights

  • Brand Replacement : Sunnyway SW12145W Battery
  • Manufacturer: SigmasTek
  • Product Type: SLA Batteries
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

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