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SigmasTek  |  SKU: BW-3111

APC SMART-UPS RM SU1400RMXL3U UPS High Performance Compatible Replacement Battery Set

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

➤ Contains 4 fresh SigmasTek SP12-7.5HR batteries (12V, 7.5AH)

➤ Engineered for high rate discharge in UPS and emergency power systems

➤ Valve regulated and spill-proof for maintenance-free use

➤ High vibration resistance for durability in demanding environments

➤ Backed by U.L. recognition, CE certification, and 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 | 7.5 Ah

Terminal Type

F2

Replacement Battery Set for APC SMART-UPS RM SU1400RMXL3U - SigmasTek SP12-7.5HR (4-Pack)

Upgrade your APC SMART-UPS RM SU1400RMXL3U with this high-quality replacement UPS battery set designed for reliable backup power, consistent performance, and trouble-free installation. This kit includes four SigmasTek SP12-7.5HR batteries (12 Volts, 7.5 AH) engineered for high rate discharge applications where quick, powerful output is required for short durations. If you're looking for a high-performance UPS battery that delivers superior uptime and a dependable, long-lasting battery solution, this set is built to match or exceed OEM expectations for the SU1400RMXL3U.

Key Specifications

  • Compatible UPS Model: APC SMART-UPS RM SU1400RMXL3U
  • Battery Brand: SigmasTek
  • Battery Model: SP12-7.5HR
  • Quantity: 4 batteries per set
  • Voltage: 12 Volts
  • Capacity: 7.5 AH
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Features: Low Self-discharge
  • Durability: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Note: Use all existing cables and hardware from original configuration to connect new UPS batteries

Benefits

  • Durability: Engineered with valve-regulated, spill-proof construction and high vibration resistance to withstand rack-mount environments and repeated service cycles.
  • Long life: Low self-discharge chemistry and factory-fresh condition maximize standby life and ensure the batteries are ready when your APC SMART-UPS RM SU1400RMXL3U needs them, making this a long-lasting battery investment.
  • High performance: The high rate discharge design delivers the rapid power output required by UPS units during heavy transient loads, so your connected equipment stays protected during critical moments.
  • Certified safety: U.L. Recognized and CE Certified for workplace and data center use, offering peace of mind when replacing power module components.
  • Versatile applications: Ideal for uninterruptible power supply (UPS) units, emergency power systems, and battery-powered tools—this replacement UPS battery set is optimized for backup and peak load scenarios.
  • Tested and guaranteed: Each set is personally tested to meet or exceed OEM specifications and backed by a 1 Year Warranty.

Ready to replace the batteries in your APC SMART-UPS RM SU1400RMXL3U? Buy this high-performance UPS battery set now to restore full backup capacity and enjoy a reliable, long-lasting battery solution. Orders for in-stock items typically ship within 24 hours — purchase with confidence today.


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