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SigmasTek  |  SKU: BW-4643

APC SMX2KRMLVNCUS UPS Compatible Replacement Battery Set

Sale price $104.33 USD Regular price $131.77
Shipping calculated at checkout.

➤ Set of 10 SigmasTek SP12-5.5HR batteries, 12V 5.5 AH each

➤ Designed for high rate discharge in UPS applications

➤ Valve regulated and spill-proof for safe operation

➤ Low self-discharge and high vibration resistance for reliability

➤ Tested to meet or exceed OEM specs with 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 SMX2KRMLVNCUS

Ensure continuous protection for your APC SMX2KRMLVNCUS with this premium replacement UPS battery set. Built for reliable performance and tested to meet OEM expectations, this kit provides a dependable, high-performance UPS battery option for critical backup systems. If uptime and equipment protection are priorities, this long-lasting battery solution offers the dependability your application requires.

Key Specifications

  • Brand: SigmasTek
  • Model: SP12-5.5HR
  • Quantity: 10 batteries per set
  • Voltage: 12 Volts
  • Capacity: 5.5 AH
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof
  • Features: Low Self-discharge; High Vibration Resistance; Superior Performance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatibility: For use with APC SMX2KRMLVNCUS UPS unit (requires use of all existing cables and hardware from original configuration)
  • Shipping: In-stock orders typically ship within 24 hours

Benefits

This replacement battery set is designed to deliver extended service life and dependable power delivery. The valve regulated spill proof construction reduces maintenance concerns while increasing safety, and high vibration resistance helps protect internal cells in rack-mounted or transport-prone environments. The low self-discharge characteristic preserves capacity between uses, contributing to the long-lasting battery behavior technicians and facility managers expect.

Optimized as a high rate discharge battery, these cells provide robust short-term power for situations when your APC SMX2KRMLVNCUS needs to supply higher loads for brief intervals — for example, during short outages, equipment transfer, or heavy startup loads. Each set is factory fresh and inspected to ensure superior performance, giving you confidence that your replacement UPS battery will perform reliably when deployed.

Typical applications include uninterruptible power supply (UPS) systems, emergency power backups, and certain battery-powered tools and devices where immediate, reliable power is required. U.L. and CE certifications provide additional assurance for compliance in commercial and industrial settings.

Upgrade your APC SMX2KRMLVNCUS with a tested, high-performance UPS battery set today. Order now for fast shipping, backed by a one-year warranty and professional quality you can trust.



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