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SigmasTek  |  SKU: BW-1518

APC Smart-UPS RT 3000 High Performance Replacement Battery Set

Sale price $184.99 USD Regular price $264.06
Shipping calculated at checkout.

➤ Contains 16 replacement 12V 5.5AH UPS batteries for APC Smart-UPS RT 3000

➤ AGM battery technology for reliable, maintenance-free power

➤ UL certified for safety and quality assurance

➤ Compatible with original battery set and hardware

➤ Fast UPS ground shipping and 1-year warranty included


📦🚀 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

Replacement APC Smart-UPS RT 3000 Batteries — Compatible with APC Smart-UPS RT 3000

Maintain uninterrupted protection for your APC Smart-UPS RT 3000 with this complete 16-battery replacement kit. Each battery is a 12V 5.5AH sealed AGM cell with an F2 terminal, designed to match the original battery set. These SigmasTek units are UL certified and constructed to deliver dependable performance, making them a trusted choice when you need a replacement UPS battery that provides consistent runtime and safety.

Key Specifications

  • Package contains: 16 batteries (full set for APC Smart-UPS RT 3000)
  • Chemistry: SLA (Sealed Lead Acid)
  • AGM Technology: Absorption Glass Mat sealed design
  • Guaranteed compatibility with original battery set
  • Warranty: 1-year Warranty
  • Volts: 12 V
  • Amp Hours: 5.5 AH
  • Weight: 67.2 Lbs (as provided)
  • Length: 3.54 In
  • Width: 2.76 In
  • Height: 3.98 In
  • Terminal: F2
  • Brand: SigmasTek
  • Certification: UL (Underwriters Laboratories) certified
  • Shipping Methods: UPS Ground and USPS; we ship in 1 business day for all in-stock items

Benefits

  • Durability: AGM sealed construction minimizes maintenance and provides robust performance under typical UPS operating conditions.
  • Long life: Engineered as a long-lasting battery alternative for APC Smart-UPS RT 3000, offering consistent capacity and dependable end-of-line replacement performance.
  • High performance: These high-performance UPS battery cells ensure consistent voltage delivery and reliable backup during outages, reducing the risk of downtime for servers and critical equipment.
  • Complete replacement: The 16-battery kit restores matched capacity throughout the battery string, which is essential for accurate capacity and predictable runtime.
  • Typical applications: Ideal for UPS backup, emergency power systems, network closets, data centers, and other critical installations. Also applicable for emergency lighting and tool backup where SLA batteries are specified.
  • Installation notes: Install the replacement batteries in the same original configuration and reuse the existing cables and hardware. Verify dimensions before ordering since manufacturer requirements can change.
  • Support: Reach out to ReplaceUPSBattery.com customer service by email, chat, or toll-free at (800) 657-1303 for help selecting or installing your APC Smart-UPS RT 3000 replacement batteries.

Don’t wait until your runtime is compromised — order this full 16-pack of replacement UPS batteries for your APC Smart-UPS RT 3000 today. Enjoy UL-certified construction, AGM reliability, fast shipping, and a 1-year warranty for peace of mind.


Payment & Security

Payment methods

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