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SigmasTek  |  SKU: BW-4607

APC SRT5KRMXLT-IEC UPS High Performance Replacement Battery Set

Sale price $184.99 USD Regular price $270.27
Shipping calculated at checkout.

➤ Set includes 16 SigmasTek SP12-5.5HR batteries, 12V 5.5 AH

➤ High rate discharge design for superior power delivery

➤ Valve regulated and spill-proof for enhanced safety

➤ Low self-discharge and vibration resistant for long-term use

➤ Certified and comes with a 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

SigmasTek SP12-5.5HR Replacement Battery Set for APC SRT5KRMXLT-IEC

Keep your APC SRT5KRMXLT-IEC operating at peak reliability with a tailored replacement battery set built for performance and longevity. These SigmasTek SP12-5.5HR batteries are specified for high rate discharge applications and designed to restore the runtime and protective capacity of your UPS. Ideal for IT racks, server rooms, and any environment that depends on continuous uptime, this replacement UPS battery pack brings consistent energy delivery and proven safety certifications to your APC system.

Key Specifications

  • Compatible UPS Model: APC SRT5KRMXLT-IEC
  • Battery Model: SigmasTek SP12-5.5HR
  • Voltage: 12 Volts
  • Capacity: 5.5 AH (Amp-hours)
  • Quantity Included: 16 batteries
  • Terminal Type: F2 (as listed)
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Features: Low Self-discharge, High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

  • Robust Durability: Valve-regulated, spill-proof construction paired with vibration resistance makes these batteries suitable for rack-mounted and industrial UPS installations.
  • Extended Service Life: Low self-discharge helps maintain stored capacity during standby—resulting in a long-lasting battery solution when you need reliable backup power.
  • Peak Performance: The high rate discharge design delivers necessary power for short, high-load events, making this a true high-performance UPS battery for APC SRT5KRMXLT-IEC systems.
  • Critical Protection: Restore your UPS’s ability to provide emergency power supply and protect servers, switches, and storage from unexpected outages.
  • Multiple Uses: Well-suited for uninterruptible power supplies, emergency systems, and battery-powered tools that use 12V 5.5Ah modules.
  • Quality Assurance: Each unit is brand new, factory fresh, and tested to meet or exceed OEM specifications; included 1 year warranty gives added confidence.

Note: Installation requires reuse of your original cables and hardware. Choose a replacement UPS battery set that balances performance, safety, and value—order the SigmasTek SP12-5.5HR batteries for APC SRT5KRMXLT-IEC now and secure your uptime with rapid shipping and tested reliability.


Payment & Security

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