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SigmasTek  |  SKU: BW-4415

ONEAC ON1000XAU-SN UPS Compatible Replacement Battery Set

Sale price $41.73 USD Regular price $52.70
Shipping calculated at checkout.

➤ Includes 4 new 12V 5.5AH SigmasTek batteries for ONEAC ON1000XAU-SN UPS

➤ High rate discharge for reliable UPS backup power

➤ Valve regulated and spill-proof for safety and durability

➤ Low self-discharge preserves battery charge

➤ Certified and tested with 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 | 5.5 Ah

Terminal Type

F2

Replacement SigmasTek SP12-5.5HR Battery Set for ONEAC ON1000XAU-SN UPS

Replace worn batteries and restore full runtime for the ONEAC ON1000XAU-SN with this complete SigmasTek SP12-5.5HR battery set. Built for compatibility and tested for performance, this kit supplies the reliable power your UPS needs during outages. Whether you are selecting a replacement UPS battery or a high-performance UPS battery to protect critical systems, these factory-fresh units are a dependable, long-lasting battery option.

Key Specifications

  • Included Quantity: 4 batteries (battery set)
  • Battery Model: SigmasTek SP12-5.5HR
  • Voltage: 12 Volts
  • Capacity: 5.5 AH (amp-hours)
  • Terminal Type: F2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Self-Discharge: Low Self-discharge
  • Resistance: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatibility Note: Use all existing cables and hardware from original configuration to connect new UPS batteries
  • Intended Use: Replacement for ONEAC ON1000XAU-SN Uninterruptible Power Supply (UPS)

Benefits

This battery set offers long-term reliability and low maintenance thanks to valve regulated, spill-proof construction and low self-discharge characteristics. These features help ensure your replacement batteries remain ready and provide a long-lasting battery solution for backup power needs. The brand new condition and 1 year warranty deliver added assurance and value.

High-rate discharge design enables the SP12-5.5HR cells to supply increased power output when your ONEAC ON1000XAU-SN requires it for brief periods, making them an excellent high-performance UPS battery for servers, telecommunications, and emergency systems. High vibration resistance enhances durability in demanding environments, while U.L. and CE certifications confirm adherence to recognized safety and quality standards.

Common uses include Uninterruptible Power Supply (UPS) systems, Emergency Power Supply setups, and battery powered tools that need rapid energy delivery. Each replacement set is tested by our technical staff to ensure consistent performance that meets or exceeds OEM specifications.

Order your replacement UPS battery set for the ONEAC ON1000XAU-SN today to regain dependable backup power. In-stock orders typically ship within 24 hours—buy now to secure a reliable, long-lasting battery backed by a 1 year warranty.



Payment & Security

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