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SigmasTek  |  SKU: BW-4998

Upsilon 700 UPS High Performance Replacement Battery Set

Sale price $164.66 USD Regular price $238.76
Shipping calculated at checkout.

➤ Set of 4 reliable batteries for UPS backup power

➤ High Rate Discharge Design handles high power demands

➤ Leak-proof valve regulated design for safety

➤ Low Self-discharge extends operational readiness

➤ U.L. Recognized and CE Certified with 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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Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
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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 | 2.3 Ah

Terminal Type

F1

SigmasTek SP12-2.3 Replacement Battery Pack for Upsilon 700 UPS

Ensure your Upsilon 700 uninterruptible power supply is ready for the next outage with this brand new replacement battery pack. Specifically supplied as a complete kit for the Upsilon 700, this replacement UPS battery pack focuses on dependable performance, high-rate power delivery, and long-term reliability across critical backup applications. It’s a practical upgrade for restoring runtime and maintaining system availability.

Key Specifications

  • Brand: SigmasTek
  • Battery Model: SP12-2.3
  • Voltage: 12 Volts
  • Capacity: 2.3 AH
  • Quantity: 10 batteries (replacement battery pack)
  • 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

Benefits

This replacement battery pack delivers the characteristics required by demanding UPS applications. The high rate discharge design supports short bursts of increased demand without degrading performance, making it an ideal high-performance UPS battery option for server closets, telecom racks, and other mission-critical installations.

Valve regulated, spill-proof construction reduces maintenance and increases operational safety, while low self-discharge preserves stored energy until it’s needed. These features combine to offer a long-lasting battery solution that remains ready for action and supports a long service life when properly maintained.

Rugged construction and high vibration resistance allow this pack to perform reliably in environments where movement or mechanical stress may be present. Typical uses include Uninterruptible Power Supply (UPS) units like the Upsilon 700, emergency power systems, and battery powered tools. The pack is factory-tested to meet or exceed OEM expectations for consistent output and durability.

Installation reminder: use all existing cables and hardware from your original Upsilon 700 configuration to connect the new batteries correctly and safely.

Replace the batteries in your Upsilon 700 today with this dependable, high-performance UPS battery pack. Order now to secure fast fulfillment and a one-year warranty for added peace of mind.


Payment & Security

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