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SigmasTek  |  SKU: BW-5275

APC SMART-UPS SU1000XL NET UPS High Performance Replacement Battery Set

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

➤ Includes 2 brand new SigmasTek SP12-18HR batteries (12V, 18 AH)

➤ High rate discharge design for short bursts of higher power output

➤ Valve regulated, spill-proof construction for safety and reliability

➤ Low self-discharge and high vibration resistance for longer battery life

➤ U.L. recognized, CE certified, and backed by 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

Replacement Battery Set for APC SMART-UPS SU1000XL NET — SigmasTek SP12-18HR (Compatible with SU1000XL NET)

Keep your APC SMART-UPS SU1000XL NET operating at peak efficiency with this factory-fresh replacement UPS battery set. Specifically designed for dependable compatibility, this SigmasTek kit offers the performance and reliability needed to protect networks, communications gear, and critical electronics from power interruptions. With a focus on tested quality and quick shipment, this replacement UPS battery gets your SU1000XL NET back to full runtime quickly.

Key Specifications

  • Includes: 2 SigmasTek SP12-18HR batteries
  • Voltage: 12 Volts
  • Amp-Hour (Ah): 18 AH
  • Battery Model: SP12-18HR
  • Terminal Type: Nut & Bolt
  • 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
  • Compatibility note: Must use all existing cables and hardware from original configuration
  • Brand: SigmasTek

Benefits

This replacement UPS battery delivers the durability and power density required for the APC SMART-UPS SU1000XL NET. The high rate discharge design supports moments of increased load demand, ensuring your UPS can transfer and sustain critical equipment during outages. Low self-discharge makes these batteries a practical long-lasting battery choice for spares and preventative maintenance programs.

Valve regulated, spill-proof construction reduces installation complications and keeps environments clean, while high vibration resistance and recognized safety certifications (U.L., CE) make this set suitable for a variety of applications. Typical use cases include Uninterruptible Power Supply (UPS) units, emergency power supply systems, and battery-powered tools where dependable short-duration power is needed. Certified, tested, and factory-fresh, these SigmasTek batteries are matched to meet or exceed OEM expectations.

We strive for fast delivery—orders for in-stock items usually ship within 24 hours. If you require help determining fitment or installation guidance for your APC SMART-UPS SU1000XL NET, contact our support team at or e-mail us for assistance.

Protect your equipment with confidence — purchase this high-performance, replacement UPS battery set for the APC SMART-UPS SU1000XL NET today and restore reliable emergency power and runtime to your critical systems.


Payment & Security

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