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-1534

APC SMX120BP High Performance Replacement Battery Set

Sale price $115.99 USD Regular price $165.05
Shipping calculated at checkout.

➤ Package contains 10 replacement 12V 5.5AH UPS batteries

➤ Utilizes AGM sealed battery tech for long service life

➤ Designed for APC SMX120BP compatibility

➤ UL certification guarantees safety and performance

➤ 1-year warranty provided


📦🚀 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 | 5.5 Ah

Terminal Type

F2

APC SMX120BP Replacement UPS Battery (Compatible with APC SMX120BP)

Get the complete replacement battery kit for your APC SMX120BP to restore dependable backup power and reliable runtime. This package contains all 10 replacement 12V 5.5AH batteries with F2 terminals specified for the APC SMX120BP. Constructed with Absorption Glass Mat (AGM) sealed technology and UL certified, these batteries are a high-performance UPS battery solution that meets or exceeds original specifications. If you need only one battery, please choose the appropriate unit from the UPS Batteries by V and AH selection.

Key Specifications

  • Package contains: 10 batteries
  • Volts: 12 V
  • Amp Hours: 5.5 AH
  • Terminal: F2
  • Chemistry: SLA (Sealed Lead Acid)
  • Technology: AGM (Absorption Glass Mat)
  • Weight: 42 Lbs (package)
  • Length: 3.54 In
  • Width: 2.76 In
  • Height: 3.98 In
  • Warranty: 1-year Warranty
  • Brand / Spec Sheet: SigmasTek
  • Guaranteed compatibility with original battery set
  • UL certified (Underwriters Laboratories)
  • Shipping methods: UPS Ground and USPS; we ship in 1 business day for all in-stock items

Benefits

This replacement UPS battery kit provides a robust and long-lasting battery solution for your APC SMX120BP. AGM sealed technology ensures a maintenance-free, leak-resistant design that performs consistently over repeated cycles. The result is a durable battery pack that reliably supports UPS operations, emergency power systems, and other standby applications where consistent power is essential.

As a high-performance UPS battery, the full 10-battery set restores balanced capacity across the UPS battery string, reducing the risk of failures due to mismatched cells. The UL certification and guaranteed compatibility with the original battery set deliver trusted safety and fitment. Typical applications include backup power for servers, network infrastructure, voice/data systems, and emergency lighting — anywhere a dependable reserve is needed.

Installation is straightforward: place the new APC SMX120BP replacement batteries into your UPS in the original configuration and reuse existing cables and hardware. Verify dimensions before ordering to account for any manufacturer updates. With fast shipping and a 1-year warranty, this kit is an economical way to extend the life of your UPS and protect critical equipment.

Ready to upgrade your APC SMX120BP with a reliable, long-lasting battery set? Purchase this replacement UPS battery kit now for fast delivery and dependable backup power. Need help? Contact our customer service via email, chat, or call toll-free at (800) 657-1303.


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.