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SigmasTek  |  SKU: BW-0002

UPS12-9 UPS High Performance Replacement Battery Set

Sale price $149.90 USD Regular price $224.86
Shipping calculated at checkout.

➤ Set includes 6 SigmasTek UPS12-9 batteries (12V, 9AH)

➤ High rate discharge design ideal for UPS applications

➤ Valve regulated, spill-proof, and low self-discharge

➤ U.L. recognized and CE certified for quality assurance

➤ 1-year warranty with guaranteed OEM specification compliance


📦🚀 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 | 9 AH

Terminal Type

F2

SigmasTek UPS12-9 (T2) Replacement Battery Set for UPS12-9 (T2)

Upgrade your UPS12-9 (T2) Uninterruptible Power Supply with this brand new replacement battery set of six SigmasTek UPS12-9 batteries (12 Volts, 9 AH). Engineered for compatibility, reliability, and consistent performance, this pack is ideal when you need a trusted, high-performance UPS solution. Please remember to reuse all existing cables and hardware from your original configuration to properly connect the new batteries. This replacement UPS battery set provides the dependable power your UPS requires for critical uptime.

Key Specifications

  • Battery Model: SigmasTek UPS12-9
  • Quantity Included: 6 batteries
  • Voltage: 12 Volts
  • Capacity: 9 AH
  • Terminal Type: AHF2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Features: Low Self-discharge, High Vibration Resistance, Superior Performance, Brand New, Factory Fresh
  • Certifications: U.L. Recognized and CE Certified
  • Warranty: 1 Year
  • Compatible With: UPS12-9 (T2)

Benefits

  • Robust and reliable build: These valve-regulated, spill-proof batteries resist vibration and self-discharge, providing a sturdy foundation for critical UPS systems. As a replacement UPS battery, they deliver the physical reliability modern systems require.
  • Long-lasting battery performance: With factory-fresh cells and low self-discharge characteristics, this set is a true long-lasting battery option for extending the usable life of your UPS12-9 (T2).
  • Designed for high-power events: The high rate discharge design makes these batteries a high-performance UPS battery suited for brief, intense power demands—ideal for backup and emergency scenarios.
  • Thoroughly tested: Our knowledgeable staff personally tests each battery to ensure it meets or exceeds OEM specifications, giving you confidence in both function and longevity.
  • Flexible applications: Perfect for Uninterruptible Power Supply (UPS) units, emergency power supplies, and battery-powered tools—this replacement UPS battery set covers a wide range of needs.

Orders for in-stock items are typically shipped within 24 hours. Purchase this replacement UPS battery set for UPS12-9 (T2) now to secure a high-performance UPS battery that delivers reliable, long-lasting battery life. Add to cart and restore your backup power today.


Payment & Security

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