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SigmasTek  |  SKU: BW-5219

Para Systems Minuteman MSU 1400 UPS High Performance Compatible Replacement Battery Set

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

➤ Replacement set with 2 SigmasTek 12 Volt 18 AH batteries for ONEAC ONEXBC-217 UPS

➤ High rate discharge with valve regulated spill proof construction

➤ Low self-discharge and high vibration resistance for reliability

➤ U.L. Recognized and CE Certified safety standards

➤ Factory fresh, performance tested, and includes 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 (12V 18AH) Replacement Battery Set for Para Systems Minuteman MSU 1400 UPS

Dependably restore the Para Systems Minuteman MSU 1400 with this precisely compatible replacement UPS battery set. Each order includes two SigmasTek SP12-18HR batteries (12 Volts, 18 AH) designed for reliable high-rate discharge performance to protect critical systems and provide emergency backup. These brand new, factory-fresh batteries are an excellent option when you need a high-performance UPS battery and a long-lasting battery solution. Remember to reuse all existing cables and hardware from your original setup to install these replacement UPS batteries correctly.

Key Specifications

  • Battery model: SigmasTek SP12-18HR
  • Voltage: 12 Volts
  • Capacity: 18 AH (Amp-hours)
  • Quantity: 2 batteries per set
  • Terminal: Nut & Bolt
  • Construction: Valve Regulated, Spill Proof
  • Design: High Rate Discharge Design
  • Features: Low Self-discharge, High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatible with: Para Systems Minuteman MSU 1400 Uninterruptible Power Supply (UPS)

Benefits

Engineered for longevity and consistent output, this replacement UPS battery set provides predictable, high-performance behavior under load. The high rate discharge design enables the MSU 1400 to handle brief periods of elevated power demand without compromising voltage stability. Valve-regulated, spill-proof construction improves safety and reduces maintenance needs compared with older flooded designs. Low self-discharge helps preserve stored energy for extended periods, and high vibration resistance protects the battery internals from mechanical stress, extending usable life in industrial or mobile environments.

These batteries are U.L. Recognized and CE Certified, giving you confidence in their manufacturing and safety standards. They are well suited as a replacement for UPS units, emergency power supply systems, and various battery-powered tools that depend on rapid, reliable energy delivery. Each battery set is factory-fresh and tested to meet or exceed OEM specifications, ensuring a long-lasting battery solution for your MSU 1400 unit and reducing the risk of unexpected downtime.

Most in-stock orders ship within 24 hours to help restore protection quickly. If you need help determining compatibility or installation guidance, our knowledgeable customer service team is available to assist. Choose this replacement UPS battery set to maintain uptime and secure reliable backup power for your Para Systems Minuteman MSU 1400.

Take action now—purchase this high-performance, long-lasting replacement UPS battery set for your Para Systems Minuteman MSU 1400 and get dependable backup power and fast shipping.


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