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SigmasTek  |  SKU: BW-4936

General Power GPS-2K-120-61 UPS High Performance Replacement Battery Set

Sale price $449.94 USD Regular price $652.41
Shipping calculated at checkout.

➤ Replacement battery set for General Power GPS-2K-120-61 UPS

➤ Includes 5 high capacity 12V 26AH batteries

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

➤ UL listed and CE certified with 1-year warranty

➤ Factory fresh and OEM tested


📦🚀 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 | 26 Ah

Terminal Type

Nut & Bolt

Replacement Battery Set for General Power GPS-2K-120-61 (5 SigmasTek SP12-26 NB)

Designed specifically for the General Power GPS-2K-120-61, this replacement UPS battery set delivers dependable compatibility, consistent performance, and proven reliability. Each set includes five SigmasTek SP12-26 NB batteries engineered for high-rate discharge applications, making them an ideal choice when your UPS requires a rapid burst of power. Whether you’re servicing data center racks, small business UPS arrays, or emergency backup installations, this replacement UPS battery package provides the dependable energy your system needs to stay online.

Key Specifications

  • Battery model: SigmasTek SP12-26 NB
  • Quantity: 5 batteries per set
  • Voltage: 12 Volts
  • Capacity: 26 AH
  • Terminal type: Nut & Bolt
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Self-discharge: Low Self-discharge
  • Vibration resistance: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatible UPS model: General Power GPS-2K-120-61
  • Typical applications: Uninterruptible Power Supply (UPS) Units, Emergency Power Supply, Battery Powered Tools

Benefits

This high-performance UPS battery set is built for durability and long service life. The valve regulated spill proof construction and low self-discharge characteristics protect the cells from leakage and capacity loss during storage and intermittent use, promoting a long-lasting battery experience. High vibration resistance and U.L./CE certifications indicate these batteries are engineered to withstand demanding operating environments while meeting strict safety and performance standards.

Because these batteries are specifically designed for high-rate discharge scenarios, they excel when your General Power GPS-2K-120-61 needs immediate, high-power output for short durations. That makes them perfect for critical UPS support, emergency power supply systems, and battery-powered tools that demand reliable, rapid energy delivery. Our technical team individually tests each battery to ensure it meets or exceeds OEM specifications, so you get a consistent, high-performance UPS battery in every set.

If you’re replacing aging cells in your General Power GPS-2K-120-61, choosing a tested replacement UPS battery set like this reduces downtime and extends the useful life of your UPS system. These brand new, factory fresh units arrive ready to install — using your existing cables and hardware — and are backed by a one-year warranty for added peace of mind.

Ready to restore peak performance to your General Power GPS-2K-120-61? Order this long-lasting battery set today and upgrade to a reliable, high-performance UPS battery solution.


Payment & Security

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