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SigmasTek  |  SKU: BW-5212

PowerWare NetUPS SE 1500 UPS High Performance Compatible Replacement Battery Set

Sale price $77.60 USD Regular price $112.53
Shipping calculated at checkout.

➤ Two 12 Volt 18 AH batteries for PowerWare NetUPS 1500 UPS replacement

➤ Valve regulated, spill proof design with reliable high rate discharge

➤ Low self-discharge and vibration resistant for extended battery life

➤ Certified with U.L. and CE for safety and quality assurance

➤ Factory fresh, tested, and includes a 1 year warranty


📦🚀 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 | 18 Ah

Terminal Type

Nut & Bolt

SigmasTek SP12-18HR Replacement Battery Set for PowerWare NetUPS SE 1500

Engineered for compatibility with the PowerWare NetUPS SE 1500 Uninterruptible Power Supply (UPS), this SigmasTek SP12-18HR replacement battery set offers professional-grade performance, dependable reliability, and straightforward installation. This replacement UPS battery kit includes two matched, factory-fresh batteries optimized for high rate discharge demands, providing the robust energy delivery your NetUPS SE 1500 requires in surge and backup events.

Key Specifications

  • Includes: 2 SigmasTek SP12-18HR batteries (set)
  • Voltage: 12 Volts
  • Capacity: 18 AH (amp-hours)
  • Battery Model: SP12-18HR
  • Terminal Type: Nut & Bolt
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated, Spill Proof Construction
  • Features: Low Self-discharge, High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Applications: Uninterruptible Power Supply (UPS) Units; Emergency Power Supply; Battery Powered Tools
  • Installation Note: Use all existing cables and hardware from your original configuration to connect the new UPS batteries

Benefits

This replacement UPS battery provides long-term durability and steady high performance for the PowerWare NetUPS SE 1500. Built with a high rate discharge design and valve regulated, spill proof construction, the pack supports demanding loads while minimizing maintenance and leakage risk. Low self-discharge preserves capacity during storage and reduces the need for frequent recharging, making this a true long-lasting battery solution.

As a high-performance UPS battery, it is perfectly suited for server rooms, networking gear, VOIP and telecom systems, emergency lighting, and other mission-critical equipment. The robust design also works well for emergency power supply setups and a variety of battery powered tools that require rapid, reliable power. Each battery set is factory tested to ensure it meets or exceeds OEM specifications, so you get consistent runtime and dependable protection when the grid fails.

Practical features such as high vibration resistance and recognized safety certifications give added confidence in installation and ongoing use. Because these batteries are brand new and backed by a 1 year warranty, you can replace your PowerWare NetUPS SE 1500 batteries with minimal downtime and maximum assurance.

Don’t wait until your next outage—upgrade now with this high-performance UPS battery set for the PowerWare NetUPS SE 1500. For help with purchase or compatibility, call . Orders for in-stock items typically ship within 24 hours—buy today!


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