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SigmasTek  |  SKU: BW-1839

UPS12-9 UPS High Performance Compatible Replacement Battery Set - 30-Pack

Sale price $749.51 USD Regular price $1,061.80
Shipping calculated at checkout.

➤ Reliable performance

➤ Reliable performance

➤ Reliable performance

➤ Reliable performance


📦🚀 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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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.
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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 | 9 AH

Terminal Type

F2

SigmasTek UPS12-9 (T2) Replacement Set - 30 Pack (Compatible with UPS12-9 (T2) UPS)

Maintain continuity across multiple racks or support a medium-scale installation with this 30-pack of SigmasTek UPS12-9 (T2) batteries. Engineered for use in UPS12-9 (T2) systems, these brand new, factory fresh batteries supply the steady, certified power required for critical infrastructure. This replacement UPS battery bulk set is an efficient way to ensure your systems remain protected with a high-performance UPS battery solution that balances value and reliability.

Key Specifications

  • Brand: SigmasTek
  • Model: UPS12-9 (T2)
  • Quantity: 30 batteries
  • Voltage: 12 Volts
  • Capacity: 9 AH
  • Terminal: F2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof
  • Low Self-discharge
  • High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatibility Note: Use all existing cables and hardware from original configuration to connect new batteries
  • Shipping Note: In-stock orders typically ship within 24 hours

Benefits

  • Reliable Build Quality: Valve regulated, spill proof construction keeps maintenance needs low while providing high vibration resistance for stable performance in racks and cabinets.
  • Long-Lasting Readiness: Low self-discharge characteristics combine with factory-fresh condition to provide a long-lasting battery solution, ideal for staged replacements and inventory management.
  • Strong Short-Term Output: The high rate discharge design makes this a go-to high-performance UPS battery for supporting short-duration power draws during outages or startup events.
  • Safety Assured: U.L. recognition and CE certification indicate adherence to safety and quality standards suitable for professional deployments.
  • Wide Applicability: These batteries are suitable for Uninterruptible Power Supply (UPS) units, emergency power supply systems, and battery-powered tools, serving a variety of applications across enterprise and industrial sites.
  • Tested to OEM Standards: Our technical team verifies performance to meet or exceed OEM expectations, assuring you of compatibility and dependability in UPS12-9 (T2) configurations.

Ensure uninterrupted protection across your facility by ordering this 30-pack of SigmasTek UPS12-9 (T2) replacement UPS battery units. Buy now for quick shipment and backed by a 1 year warranty for peace of mind.


Payment & Security

Payment methods

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  • Discover
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