For questions, quotes, or help finding the right battery, feel free to email us at sales@batteryweb.com

New collections added! Learn more

🎉 First Order Special 🎉

First-time shoppers get 5% OFF on batteries & accessories!

WELCOME5
SigmasTek  |  SKU: BW-1742

APC SMART-UPS SUA1000I High Performance Replacement Battery

Sale price $103.99 USD Regular price $148.26
Shipping calculated at checkout.

➤ 12 volts power output for reliable performance

➤ 12 Ah capacity ensures long-lasting backup

➤ Special connector designed for APC SMART-UPS compatibility

➤ Durable build for extended battery life

➤ Ideal replacement battery for uninterrupted power supply


📦🚀 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.

📸 Send Your Battery Photo / Unsure? Expert Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR IMAGE

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 | 12 Ah

Terminal Type

Special Connector

SigmasTek 12 Volts 12 Ah Special Connector — APC SMART-UPS

The SigmasTek 12 Volts 12 Ah with Special Connector is a purpose-built replacement UPS battery for APC SMART-UPS models. Offering robust steady-state voltage and consistent amp-hour capacity, this battery is an excellent choice for anyone needing resilient backup power. It combines straightforward compatibility with strong performance, ensuring critical systems remain powered during outages and transitions.

Key Specifications

  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 12 Ah
  • Terminal: Special Connector
  • Compatible UPS Model: APC SMART-UPS

Benefits

As a replacement UPS battery designed for frequent use, this SigmasTek unit is built to deliver dependable charge acceptance and discharge consistency. Its high-performance UPS battery design supports stable power delivery to sensitive electronics, minimizing brownouts and preventing abrupt shutdowns that can damage hardware or corrupt data. The battery’s 12 Ah capacity gives a practical balance of run-time and size for typical APC SMART-UPS applications.

This long-lasting battery performs well in a variety of scenarios: powering servers during brief outages, maintaining network switch operation, sustaining point-of-sale systems, and securing emergency lighting or security systems. The Special Connector terminal allows for an accurate fit in compatible UPS trays and holders, simplifying maintenance and replacement procedures and reducing service times.

Built to meet the expectations of small business IT environments and home office installations, the SigmasTek replacement UPS battery supports reliable recharge cycles and predictable performance across its service life. Its design focuses on delivering dependable output under load and minimizing downtime during installation, giving IT managers and homeowners confidence in their backup systems.

Ready to secure your equipment with a trusted replacement UPS battery? Order the SigmasTek 12 Volts 12 Ah (Special Connector) for APC SMART-UPS now and ensure uninterrupted protection with a proven, long-lasting battery solution.


Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.