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SigmasTek  |  SKU: BW-1865

12V 5.5Ah T2 UPS High Performance Compatible Replacement Battery Set - 20

Sale price $233.00 USD Regular price $330.09
Shipping calculated at checkout.

➤ Includes 20 SigmasTek UPS12-5.5 batteries (12V 5.5 AH)

➤ High rate discharge design ensures rapid power delivery when needed

➤ Valve regulated and spill-proof for safe, clean operation

➤ Low self-discharge and high vibration resistance for longevity

➤ Factory fresh with 1 year warranty and OEM 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 | 5.5 Ah

Terminal Type

F2

SigmasTek UPS12-5.5 (T2) - Replacement Set of 20 for UPS12-5.5

When large capacity replacement or bulk inventory is needed, this brand new set of 20 SigmasTek UPS12-5.5 (T2) batteries delivers consistent performance and dependable readiness. Designed for UPS12-5.5 systems, this replacement UPS battery pack is an ideal choice for facilities, service providers, and businesses that require multiple units for racks, multiple UPS systems, or stock replacement programs. These high-quality, factory-fresh batteries provide reliable power and tested performance to keep your operations protected.

Key Specifications

  • Quantity: 20 batteries (set)
  • Model: UPS12-5.5 (T2)
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 5.5 AH
  • Terminal: F2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Feature: Low Self-discharge
  • Feature: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatibility Note: Requires reuse of existing cables and hardware from your original configuration

Benefits

This bulk replacement UPS battery set offers durability and reliable long life for high-use environments. The high-rate discharge design ensures the batteries can supply elevated power for short durations, which is crucial for UPS systems handling surges or bridging outages. Valve-regulated, spill-proof construction provides maintenance-free operation, and low self-discharge keeps these batteries ready after storage—important for inventory and emergency stock. High vibration resistance helps maintain integrity in transport and in installations that experience mechanical stress.

Ideal applications include Uninterruptible Power Supply (UPS) banks across server rooms, emergency power supply installations, and battery-powered tools or equipment needing dependable backup. Each battery is factory tested to meet or exceed OEM performance standards and includes a 1 year warranty, giving you confidence in both performance and value.

For businesses that need fast replenishment, in-stock items typically ship within 24 hours so you can maintain continuity across multiple systems without long lead times.

Order this long-lasting, high-performance UPS12-5.5 (T2) replacement UPS battery set of 20 today to secure reliable backup power across your operations—buy now to ensure uninterrupted protection.


Payment & Security

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