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SigmasTek  |  SKU: BW-3084

APC SMART-UPS XL SU1400RMXLB3U UPS High Performance Replacement Battery Set

Sale price $65.99 USD Regular price $96.57
Shipping calculated at checkout.

➤ Contains 4 factory fresh SigmasTek SP12-7.5HR batteries for APC SMART-UPS XL SU1400RMXLB3U

➤ Designed for high rate discharge UPS units needing rapid power output

➤ Spill-proof, valve regulated construction enhances safety and durability

➤ Low self-discharge and vibration resistance improve reliability

➤ Certified and warranted for 1 year for dependable replacement


📦🚀 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 | 7.5 Ah

Terminal Type

F2

Replacement Battery Set for APC SMART-UPS XL SU1400RMXLB3U Uninterruptible Power Supply (UPS)

Ensure uninterrupted operation of your APC SMART-UPS XL SU1400RMXLB3U with this OEM-quality replacement battery set. This kit includes four SigmasTek SP12-7.5HR sealed lead-acid batteries engineered for proper compatibility and reliable performance. Whether you're maintaining a data center rack or a critical infrastructure UPS, this replacement UPS battery set provides the dependable energy you need in emergency scenarios and during power events.

Key Specifications

  • Compatible UPS Model: APC SMART-UPS XL SU1400RMXLB3U
  • Quantity: 4 batteries per set
  • Battery Model: SigmasTek SP12-7.5HR
  • Voltage: 12 Volts
  • Capacity: 7.5 AH (amp-hours)
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Self-discharge: Low Self-discharge
  • Durability: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Installation Note: Use all existing cables and hardware from original configuration

Benefits

  • Robust Safety and Construction: Valve regulated, spill-proof assembly reduces leak risk and improves safety for rackmount installations and confined equipment bays.
  • Optimized Power Delivery: Designed for high rate discharge demands, this high-performance UPS battery pack supplies strong, short-duration power for the SU1400RMXLB3U when load spikes occur.
  • Extended Readiness: Low self-discharge keeps the cells ready for use, making this a practical long-lasting battery solution to maintain optimal runtime.
  • Trusted Certifications: U.L. recognition and CE certification confirm adherence to key safety and manufacturing standards.
  • Multiple Use Cases: Suitable for Uninterruptible Power Supply (UPS) units, emergency power systems, and battery-powered tools that require reliable backup energy.
  • Tested and Guaranteed: Each replacement UPS battery set is tested to meet or exceed OEM specifications and includes a 1 year warranty for peace of mind.
  • Straightforward Installation: Reuse your existing cables and hardware to swap batteries quickly and get your SMART-UPS XL back to full protection.

Don’t let depleted batteries put your equipment at risk. Order this replacement UPS battery set for the APC SMART-UPS XL SU1400RMXLB3U today for rapid shipping and dependable performance. Secure a high-performance, long-lasting battery solution now and protect your critical systems.


Payment & Security

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