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SigmasTek  |  SKU: BW-4697

Eaton Powerware 58700033 UPS Compatible Replacement Battery

Sale price $10.43 USD Regular price $13.18
Shipping calculated at checkout.

➤ High Rate Discharge Design for emergency and UPS applications

➤ Leak-proof Valve Regulated battery for safe usage

➤ Low Self-discharge maintains charge over time

➤ High Vibration Resistance ensures long-lasting performance

➤ Brand new with 1-year warranty for reliability


📦🚀 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 SP12-5.5HR Replacement Battery for Eaton Powerware 58700033 UPS

The SigmasTek SP12-5.5HR (12 Volts, 5.5 AH) is a reliable replacement UPS battery designed to restore power resilience to Eaton Powerware 58700033 UPS units. Built for dependable performance under high-rate discharge conditions, this battery brings consistent backup power and proven safety features to your critical systems. Remember to reuse the original cables and hardware from your UPS when installing the new battery for proper connection.

Key Specifications

  • Brand: SigmasTek
  • Model: SP12-5.5HR
  • Compatible UPS Model: Eaton Powerware 58700033
  • Voltage: 12 Volts
  • Capacity: 5.5 AH (Amp-hours)
  • 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

Benefits

  • Robust reliability: With valve-regulated, spill-proof construction and industry certifications, this replacement UPS battery minimizes maintenance needs while maximizing operational safety.
  • Long-lasting battery performance: Low self-discharge helps retain capacity during storage and intermittent use so your UPS is ready when needed.
  • High-performance UPS battery capability: Specifically engineered for high rate discharge scenarios, the SigmasTek SP12-5.5HR supplies the quick, elevated power your Eaton Powerware 58700033 requires during peak draw events.
  • Resilience in harsh conditions: High vibration resistance keeps the battery stable in rack-mounted equipment, mobile applications, or industrial settings.
  • Multiple applications: Ideal for Uninterruptible Power Supply (UPS) units, emergency power systems, and select battery-powered tools that demand short bursts of high output.
  • Factory-tested quality: Each unit is brand new and factory fresh, and our technical staff tests every battery to ensure it meets or exceeds OEM expectations.

Don't let a depleted battery compromise your Eaton Powerware 58700033. Order this high-performance, long-lasting battery today and benefit from a 1 year warranty and fast shipping. Purchase your replacement UPS battery now to maintain uninterrupted protection for your critical equipment.



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