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SigmasTek  |  SKU: BW-3279

Alpha Technologies ALI Plus 1500 Rack Mount UPS High Performance Compatible Replacement Battery Set

Sale price $49.94 USD Regular price $72.42
Shipping calculated at checkout.

➤ Includes 3 SigmasTek SP12-7.5HR batteries, 12V 7.5AH each

➤ High rate discharge design for quick, powerful UPS support

➤ Valve regulated, spill-proof construction for safe operation

➤ Low self-discharge ensures longer shelf life and readiness

➤ U.L. recognized, CE certified with 1-year warranty for reliability


📦🚀 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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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 | 7.5 Ah

Terminal Type

F2

Replacement Battery Set for Alpha Technologies ALI Plus 1500 Rack Mount UPS - SigmasTek SP12-7.5HR (3-Pack)

Specifically tailored for the Alpha Technologies ALI Plus 1500 Rack Mount Uninterruptible Power Supply (UPS), this replacement battery set provides dependable and high-quality backup power. The kit includes three SigmasTek SP12-7.5HR batteries (12 Volts, 7.5 AH) that are factory-fresh and ready to install using your original cables and hardware. If you’re looking for a replacement UPS battery that balances immediate power, long-term reliability, and regulatory compliance, this option delivers on all counts.

Key Specifications

  • Battery model: SigmasTek SP12-7.5HR (3 batteries included)
  • Voltage: 12 Volts
  • Capacity: 7.5 AH (amp-hours)
  • Compatibility: Alpha Technologies ALI Plus 1500 Rack Mount
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Feature: Low Self-discharge
  • Feature: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Note: Use all existing cables and hardware from original configuration to connect new UPS batteries
  • Reference string: SigmasTek12 Volts7.5 AhF2Alpha Technologies

Benefits

  • Rugged reliability: Valve-regulated, spill-proof construction and high vibration resistance make this a durable, long-lasting battery choice for rack-mounted UPS environments.
  • Maintained capacity: Low self-discharge ensures stored batteries retain charge and deliver dependable runtime when deployed, contributing to overall long life.
  • High-performance delivery: Engineered for high rate discharge, this high-performance UPS battery set supports the short, intense power demands of critical equipment during power events.
  • Ideal for multiple uses: Perfect for Uninterruptible Power Supply systems like the Alpha Technologies ALI Plus 1500 Rack Mount, emergency power systems, and tools that require burst power.
  • Certified and tested: U.L. Recognized and CE Certified with factory testing to meet or exceed OEM expectations, giving you confidence in performance and safety.

Don’t wait until your UPS fails — restore reliable backup capacity with this Alpha Technologies ALI Plus 1500 Rack Mount replacement UPS battery kit. In-stock orders typically ship within 24 hours and include a 1-year warranty. Need help? Call customer service at . Buy now to secure a dependable, long-lasting battery solution for your rack-mounted UPS.


Payment & Security

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