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SigmasTek  |  SKU: BW-1676

APC SMT3000I High Performance Replacement Battery Set

Sale price $153.99 USD Regular price $219.86
Shipping calculated at checkout.

➤ Includes 4 replacement 12V 18AH UPS batteries with NB terminal

➤ AGM sealed batteries for maintenance-free operation

➤ UL certified for quality and safety assurance

➤ Compatible with APC SMT3000I original battery set

➤ 1-year warranty for reliable UPS backup


📦🚀 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 | 18 Ah

Terminal Type

Nut & Bolt

APC SMT3000I Replacement Batteries - 4 x 12V 18AH (NB Terminal)

Keep your APC SMT3000I running at peak performance with a complete set of four replacement UPS batteries engineered for compatibility, reliability, and long runtime. This package is designed to match or exceed the original specifications for the APC SMT3000I so you can trust uninterrupted protection for servers, network gear, and home office equipment. Sourced by ReplaceUPSBattery.com and built with AGM sealed battery technology, these cells deliver consistent, dependable power as a high-performance UPS battery and a long-lasting battery solution.

Key Specifications

  • Package contains: 4 batteries (price includes all 4 batteries)
  • Volts: 12 V
  • Amp Hours: 18 AH
  • Terminal: NB
  • Chemistry: SLA (Sealed Lead Acid)
  • Technology: AGM (Absorption Glass Mat)
  • Warranty: 1-year Warranty
  • Brand / Sourced by: SigmasTek (sourced by ReplaceUPSBattery.com)
  • UL Certification: All batteries are UL certified
  • Weight: 52 Lbs (package/individual as indicated)
  • Length: 7.13 In
  • Width: 3 In
  • Height: 6.59 In
  • Compatibility: Guaranteed compatibility with original battery set for APC SMT3000I
  • Shipping: UPS Ground and USPS; we ship in 1 business day for all in-stock items

Benefits

  • Durability: AGM sealed construction resists vibration and minimizes maintenance, providing a rugged and reliable high-performance UPS battery that stands up to daily use.
  • Long life: Engineered to meet or exceed original manufacturer specifications, these replacement UPS battery packs deliver consistent cycles and a long-lasting battery life under normal operating conditions.
  • High performance: Designed for fast delivery of steady power during outages and brownouts, keeping critical systems online with minimal voltage drop and efficient recharge characteristics.
  • Pre-tested quality: Each battery is UL certified and sourced to ensure safety and consistent output—ideal for protecting servers, network switches, telecom equipment, and home office electronics.
  • Easy installation: Install the new APC SMT3000I replacement batteries in the same original configuration and reuse your existing cables and hardware for a seamless swap.
  • Typical applications: Ideal for UPS backup systems, emergency power, network closets, small data centers, and tool charging systems that require a reliable 12V 18AH supply.
  • Peace of mind: 1-year warranty and fast shipping get you back to protected operation quickly.

If you need assistance confirming dimensions or installation instructions for your APC SMT3000I, our customer service team is available by email, chat, or toll-free at (800) 657-1303. Don’t wait until the next outage—replace worn cells with this certified, high-performance UPS battery set today and restore reliable runtime to your APC SMT3000I.

Ready to buy? Click to add this compatible, long-lasting battery set to your cart and secure trusted backup power now.


Payment & Security

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