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SigmasTek  |  SKU: BW-5202

APC SU1400 High Performance Compatible Replacement Battery

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

➤ High quality, factory fresh UPS battery with 24 Volts and 18 AH capacity

➤ High rate discharge design for reliable short-term high power output

➤ Performance guaranteed and tested to meet or exceed OEM specs

➤ Includes 1 battery; use existing cables and hardware to connect

➤ Fast shipping and 1 year warranty for confident replacement purchase


📦🚀 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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Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
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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

24 Volts | 18 Ah

Terminal Type

Special Connector

SigmasTek Replacement Battery for APC SU1400 (24V 18Ah)

Get dependable backup power with this SigmasTek replacement battery engineered for the APC SU1400. This factory-fresh 24 Volts 18 AH unit is built for compatibility, strong short-term discharge performance, and reliable day-to-day operation. If you’re searching for a replacement UPS battery that restores runtime and ensures protection for critical loads, this high-performance UPS battery is an ideal choice.

Key Specifications

  • Brand: SigmasTek
  • Quantity: 1 battery
  • Voltage: 24 Volts
  • Capacity: 18 AH
  • Terminal / Connector: Special Connector
  • Compatible UPS Model: APC SU1400
  • Connection: Use existing cables and hardware to connect your UPS batteries
  • Design: High Rate Discharge Design
  • Condition: Brand New, Factory Fresh
  • Stock: In Stock and Same Day Shipping
  • Warranty: 1 Year Warranty
  • Support: Professional Customer Support
  • Performance: Performance Guaranteed

Benefits

  • Durability: Manufactured to strict quality standards and validated by technical staff, this unit delivers consistent performance and long-term reliability for your UPS system.
  • Long Life: The SigmasTek 24V 18Ah design focuses on lifecycle longevity, giving you a long-lasting battery that reduces the need for frequent replacements.
  • High Performance: Optimized for high rate discharge, the battery provides enhanced output for brief, high-demand periods — perfect for supporting servers, networking equipment, and storage devices during outages.
  • Protection for Critical Loads: This replacement UPS battery safeguards your data and infrastructure in case of power interruptions, ensuring graceful shutdowns and continuous operation where it matters.
  • Applicable Use Cases: Ideal for UPS systems, emergency power setups, telecom racks, small data centers, and portable equipment compatible with this battery specification.
  • Easy Installation: Designed to be installed using your existing cables and hardware, preserving original connections and simplifying replacement.
  • Fast Shipping & Support: In-stock availability with same day shipping and a 1 year warranty ensures peace of mind and prompt delivery when you need a high-performance UPS battery.

Don’t leave your APC SU1400 unprotected. Order this long-lasting battery replacement now to restore reliable backup power and enjoy the confidence of a tested, guaranteed solution. Buy your replacement APC SU1400 battery today.


Payment & Security

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