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SigmasTek  |  SKU: BW-1836

UPS12-9 UPS High Performance Compatible Replacement Battery Set - 6-Pack

Sale price $149.90 USD Regular price $212.36
Shipping calculated at checkout.

➤ Includes 6 brand new SigmasTek UPS12-9 batteries (12V 9AH)

➤ High rate discharge design for powerful short-term output

➤ Valve regulated, spill-proof construction for safety and reliability

➤ Low self-discharge and high vibration resistance for longer life

➤ UL recognized, CE certified, and backed by a 1-year warranty


📦🚀 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 Set - 6 Pack (Compatible with UPS12-9 (T2) UPS)

Upgrade your backup power with this compatible set of six SigmasTek UPS12-9 (T2) batteries designed for reliable performance in UPS systems. These brand new, factory fresh units are engineered for compatibility with UPS12-9 (T2) systems and deliver the dependable power you need for short, high-demand discharge events. Whether you are replacing spent cells or building a battery string, this replacement UPS battery set provides the consistent output and certification-backed safety you expect from a high-performance UPS battery.

Key Specifications

  • Brand: SigmasTek
  • Model: UPS12-9 (T2)
  • Quantity: 6 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

  • Durability: These valve regulated, spill proof batteries are built to resist vibration and harsh operating conditions, giving you a robust, long-lasting battery solution for mission-critical UPS systems.
  • Long Life: Low self-discharge chemistry and factory-fresh condition combine to extend shelf life and deliver dependable runtime when the load demands it, making this set an ideal long-lasting battery upgrade.
  • High Performance: The high rate discharge design makes this a true high-performance UPS battery for short-duration, high-power events — perfect for keeping servers, network gear, and emergency systems online during outages.
  • Safety & Compliance: U.L. recognition and CE certification provide peace of mind that these batteries meet established safety and quality standards for commercial and residential power systems.
  • Versatile Applications: Designed for Uninterruptible Power Supply (UPS) units, emergency power supplies, and battery-powered tools, this replacement UPS battery pack is well suited for IT closets, telecom racks, security systems, and portable power setups.
  • Factory-Tested: Each unit is checked by technically savvy staff to meet or exceed OEM specifications, ensuring reliable integration into existing UPS12-9 (T2) configurations.

Ready to replace your depleted cells? Order this SigmasTek UPS12-9 (T2) 6-pack today and secure a high-performance, long-lasting battery solution for your UPS system. Purchase now to get fast shipping and a 1 year warranty on a trusted replacement UPS battery set.


Payment & Security

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