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SigmasTek  |  SKU: BW-4292

Alpha Technologies ALI 800 UPS High Performance Compatible Replacement Battery

Sale price $16.66 USD Regular price $24.15
Shipping calculated at checkout.

➤ Meets or exceeds OEM SLA battery specifications for reliable performance

➤ Absorbent Glass Mat (AGM) technology for leak-proof and safe operation

➤ Maintenance-free design with spill-proof construction for hassle-free use

➤ U.L. Recognized and CE Certified for guaranteed quality and safety

➤ Includes 1 year warranty and is brand new, factory fresh


📦🚀 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 Alpha Technologies ALI 800 Compatible Battery — Alpha Technologies ALI 800

This replacement Alpha Technologies ALI 800 battery is purpose-built for seamless compatibility, dependable output, and long-term reliability. Engineered to meet or exceed OEM SLA battery specifications, this replacement UPS battery is an ideal choice when you need consistent backup power for your Alpha Technologies ALI 800 unit. Delivering stable voltage and efficient discharge characteristics, it safeguards critical equipment during outages and peak load conditions.

Key Specifications

  • Compatible UPS Model: Alpha Technologies ALI 800
  • Battery Type: Sealed Lead Acid (SLA)
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: High Rate Discharge Design
  • Maintenance: Maintenance-Free Design with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Voltage: 12 Volts
  • Capacity: 7.5 Ah
  • Terminal Type: F2
  • Replacement/Manufacturer Reference: SigmasTek
  • Compatible Brand: Alpha Technologies

Benefits

Built for durability, this long-lasting battery uses AGM technology to provide low internal resistance, consistent performance, and enhanced vibration resistance. The maintenance-free, spill-proof construction eliminates routine fluid maintenance and reduces the risk of corrosion or acid leaks, making it a safe and reliable choice for enclosed UPS cabinets. With a high rate discharge design, this high-performance UPS battery can deliver the surge current necessary for powering sensitive electronics and supporting emergency systems.

Common uses include UPS backup for IT infrastructure, emergency power supplies for security and access control, and portable battery-powered tools requiring dependable SLA performance. By choosing this replacement UPS battery for the Alpha Technologies ALI 800, you get guaranteed compatibility and straightforward installation, plus the reassurance of U.L. and CE certifications. The included 1 year warranty ensures coverage against manufacturing defects and gives you confidence in long-term operation.

Don't wait until the next power interruption—replace your old battery with this high-performance replacement UPS battery for the Alpha Technologies ALI 800 today. Click to buy and keep your critical systems protected with a long-lasting battery solution.


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