Alpha Technologies UPS 1500 High Performance UPS Replacement Battery Set
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🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
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Battery Care Guide
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
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
⚠️ 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 | 18 Ah
Terminal Type
Nut & Bolt
Replacement Battery Set for Alpha Technologies UPS 1500 - SigmasTek SP12-18HR (4-Pack)
Restore optimal runtime and dependable backup power for your Alpha Technologies UPS 1500 with this premium replacement UPS battery set. The kit includes four SigmasTek SP12-18HR batteries (12 Volts, 18 AH) designed for reliable, high-rate discharge performance. These brand new, factory-fresh batteries provide a long-lasting battery option for critical systems and are ideal when you need a high-performance UPS battery to maintain uptime. Important: you must reuse all existing cables and hardware from your original battery configuration to connect the new batteries.
Key Specifications
- Included Batteries: 4 x SigmasTek SP12-18HR
- Voltage: 12 Volts
- Capacity: 18 AH
- Terminal Type: Nut & Bolt
- Brand: SigmasTek
- Compatible With: Alpha Technologies UPS 1500
- Design: High Rate Discharge Design
- Construction: Valve Regulated Spill Proof Construction
- Additional Features: Low Self-discharge; High Vibration Resistance; Superior Performance
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
Benefits
This replacement UPS battery pack delivers rugged reliability and extended service life. The high-rate discharge capability makes it a top choice for UPS units that must supply higher power for short durations, while valve-regulated, spill-proof construction reduces maintenance and improves safety. Low self-discharge helps protect the battery during standby periods, and high vibration resistance ensures stable operation in rack-mounted or mobile environments. These features combine to provide a high-performance UPS battery that stands up to demanding use and delivers consistent results.
Use cases include Uninterruptible Power Supply (UPS) installations, emergency power systems, and battery-powered tools where reliable energy delivery is required. The SigmasTek SP12-18HR cells are factory tested to ensure they meet or exceed OEM specifications, offering a long-lasting battery replacement that helps minimize downtime and protect sensitive electronics. With recognized U.L. and CE certifications and a manufacturer-backed 1 year warranty, this kit gives you trusted backup power for your Alpha Technologies UPS 1500.
We ship in-stock items quickly—typically within 24 hours—and our knowledgeable support team is ready to help with installation guidance or compatibility questions. Remember to reuse your original cables and hardware for proper connection.
Don’t wait until your UPS can’t protect critical equipment. Purchase this replacement UPS battery 4-pack for your Alpha Technologies UPS 1500 now and secure a reliable, long-lasting battery solution.
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