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SigmasTek  |  SKU: BW-1845

UPS12-9 UPS High Performance Compatible Replacement Battery Set - 10-Pack

Sale price $249.84 USD Regular price $353.94
Shipping calculated at checkout.

➤ Includes 10 brand new SigmasTek UPS12-9 batteries (12V 9AH)

➤ Designed for high rate discharge UPS applications

➤ Valve regulated spill-proof construction ensures safety

➤ Low self-discharge to maintain battery readiness

➤ 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) - Set of 10 Replacement Batteries (12V 9AH)

When it’s time to refresh a battery bank or replenish spares, this set of ten SigmasTek UPS12-9 (T2) batteries provides a compact, reliable replacement option. Each 12 Volt 9 AH cell is brand new and intended for use in UPS systems where dependable, consistent power delivery is essential. This replacement UPS battery pack is a practical choice for smaller data closets, point-of-sale systems, or portable emergency power units that require a high-performance UPS battery solution with long-lasting battery characteristics.

Key Specifications

  • Quantity: 10 SigmasTek batteries
  • Model: UPS12-9 (T2)
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 9 AH
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction (maintenance-free)
  • 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
  • Connection Note: Use all existing cables and hardware from your original configuration to connect these batteries
  • Shipping: In-stock orders typically ship within 24 hours

Benefits

This 10-pack of SigmasTek UPS12-9 (T2) batteries offers proven durability and performance for a range of applications. The high rate discharge design supports higher power output for short durations, which is particularly useful for UPS transfers and transient load events. Valve-regulated, spill-proof construction reduces maintenance burden and supports safe installation in enclosed racks and cabinets. Low self-discharge preserves charge during storage or intermittent use, contributing to the long-lasting battery performance that facilities rely on.

As a certified, factory-new replacement UPS battery option, this set is suited for Uninterruptible Power Supply (UPS) units, Emergency Power Supply systems, and battery-powered tools requiring 12V 9AH cells. The U.L. Recognition and CE Certification provide peace of mind regarding safety and compliance. All batteries are guaranteed with a one-year warranty and are tested to meet or exceed OEM performance expectations.

Ready to restore runtime and protect sensitive equipment? Purchase this SigmasTek UPS12-9 (T2) 10-pack now to secure a dependable, high-performance UPS battery replacement with fast shipping and reliable long-lasting battery performance.


Payment & Security

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