Alpha Technologies Nexsys Dual 300 UPS High Performance Replacement Battery Set 21.02 lb

Replacement SigmasTek SP12-7.5HR Battery Set for Alpha Technologies Nexsys Dual 300 UPS

Upgrade your Alpha Technologies Nexsys Dual 300 with this brand new replacement UPS battery set engineered for reliable runtime, consistent performance, and safe operation. This kit includes four SigmasTek SP12-7.5HR sealed lead-acid batteries (12 Volts, 7.5 AH) designed specifically for high rate discharge applications where short bursts of elevated power are required. Whether you need a replacement UPS battery to restore emergency backup capacity or are maintaining a critical rack, these factory-fresh units deliver the dependable performance and long-lasting battery life your Nexsys Dual 300 expects.

Key Specifications

• Included Quantity: 4 batteries (battery set)
• Model: SigmasTek SP12-7.5HR
• Voltage: 12 Volts
• Capacity: 7.5 AH
• Terminal Type: F2
• Design: High Rate Discharge Design
• Construction: Valve Regulated Spill Proof Construction
• Self-Discharge: Low Self-discharge
• Durability: High Vibration Resistance
• Certifications: U.L. Recognized and CE Certified
• Condition: Brand New, Factory Fresh
• Warranty: 1 Year Warranty
• Brand: SigmasTek (replacement for Alpha Technologies)

Benefits

These batteries are purpose-built to be a high-performance UPS battery solution for the Nexsys Dual 300. The high rate discharge design gives the unit the capability to supply higher power for short durations, making them ideal where surge current or short-term heavy loads are likely. With valve regulated spill proof construction and low self-discharge characteristics, this replacement UPS battery set stores and delivers energy safely and efficiently, reducing maintenance concerns and ensuring a long service life.

Durability is a key advantage: high vibration resistance and U.L./CE recognition mean these cells are suitable for rigorous environments and meet established safety standards. As a long-lasting battery option, the SigmasTek SP12-7.5HR set is factory fresh and individually tested by technically savvy staff to meet or exceed OEM specifications, giving you confidence in replacement performance.

Typical applications include use in Uninterruptible Power Supply (UPS) units like the Alpha Technologies Nexsys Dual 300, emergency power supply systems, and battery powered tools that require a reliable, compact power source. Note: you will need to reuse all existing cables and hardware from your original configuration to connect the new UPS batteries—this kit supplies the batteries themselves to match the Nexsys Dual 300 requirements.

Orders for in-stock items typically ship within 24 hours. If you need help selecting the right replacement UPS battery or have questions about installation, call our customer service at . Purchase your SigmasTek replacement set for the Alpha Technologies Nexsys Dual 300 today and restore dependable backup power now.