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SigmasTek  |  SKU: BW-5096

APC SMART-UPS SU3000US UPS High Performance Replacement Battery Set

Sale price $155.20 USD Regular price $225.03
Shipping calculated at checkout.

➤ Includes 4 brand new SigmasTek SP12-18HR batteries for APC SMART-UPS SU3000US

➤ High rate discharge design for powerful short-term energy output

➤ Valve regulated, spill-proof construction ensures safe, maintenance-free use

➤ Low self-discharge and high vibration resistance for reliable long-term performance

➤ U.L. recognized and CE certified with 1-year warranty for guaranteed quality


📦🚀 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.
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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

SigmasTek SP12-18HR Replacement Battery Set for APC SMART-UPS SU3000US

Replace worn cells with a dependable, high-performance option engineered for the APC SMART-UPS SU3000US. This replacement UPS battery set includes four brand new SigmasTek SP12-18HR batteries (12 Volts, 18 AH) and delivers the reliable runtime and surge capability required by mission-critical UPS systems. Designed for high rate discharge applications, these factory-fresh batteries offer superior performance, low self-discharge, and robust vibration resistance — ideal when you need a long-lasting battery solution that keeps servers, networking gear, and emergency systems online. Please note: you must reuse your original cables and hardware to connect these batteries to your APC SMART-UPS SU3000US.

Key Specifications

  • Quantity: 4 batteries per set
  • Model: SigmasTek SP12-18HR
  • Voltage: 12 Volts
  • Capacity: 18 AH (amp-hours)
  • Terminal Type: Nut & Bolt
  • Compatibility: APC SMART-UPS SU3000US
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof
  • Self-discharge: Low Self-discharge
  • Durability: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

These SigmasTek batteries are a high-performance UPS battery choice when replacing the pack in your APC SMART-UPS SU3000US. The high rate discharge design supplies higher power over short periods, making it ideal for UPS systems that handle heavy loads, inrush currents, or transient demands. As a replacement UPS battery set, they provide long-lasting battery life thanks to low self-discharge chemistry and rugged construction that resists vibration and shocks commonly found in rack and telecom environments. U.L. recognition and CE certification confirm regulatory compliance and quality standards, while being brand new ensures predictable, consistent performance out of the box.

Typical applications include Uninterruptible Power Supply (UPS) units, emergency power systems, and battery-powered tools that require dependable short-duration high current output. Whether you’re restoring runtime to a data center UPS or outfitting emergency backup for critical infrastructure, these batteries deliver the dependable performance expected from a long-lasting battery solution. Technically tested to meet or exceed OEM specifications, this set is an excellent choice for professionals and IT managers seeking a reliable, high-performance UPS battery upgrade.

Ready to restore full runtime to your APC SMART-UPS SU3000US? Order this replacement UPS battery set now and take advantage of fast shipping and a 1 year warranty — purchase with confidence and keep your systems protected.


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