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SigmasTek  |  SKU: BW-2059

SL Waber Power House 420T UPS High Performance Replacement Battery

Sale price $7.99 USD Regular price $10.27
Shipping calculated at checkout.

➤ Replacement battery for SL Waber Power House 420T with AGM tech

➤ High rate discharge design supports emergency power needs

➤ Maintenance-free, valve regulated, and spill-proof design

➤ U.L. recognized and CE certified for reliable performance

➤ Brand new with 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

6 Volts | 4.5 AH

Terminal Type

F1

Replacement SL Waber Power House 420T Battery — Compatible with SL Waber Power House 420T

The replacement UPS battery for the SL Waber Power House 420T offers dependable compatibility and robust performance for your UPS backup system. Designed to meet or exceed OEM SLA specifications, this battery provides reliable emergency power and consistent operation under load. If you need a long-lasting battery that’s simple to install and delivers high-performance results, this replacement is tailored for your SL Waber Power House 420T.

Key Specifications

  • Absorbent Glass Mat (AGM) Technology
  • High Rate Discharge Design
  • Maintenance-Free Design with Spill Proof Construction
  • U.L. Recognized and CE Certified
  • Brand New, Factory Fresh
  • 1 Year Warranty
  • SigmasTek6 Volts4.5 AHF1SL Waber

Benefits

This replacement UPS battery is built for durability and longevity. AGM technology minimizes internal resistance and improves cycle life, while the maintenance-free, spill-proof design ensures safe operation in enclosed UPS cabinets. As a high-performance UPS battery, it handles high-rate discharges effectively, making it well-suited for emergency power supply demands and transient load events.

The SL Waber Power House 420T replacement battery is ideal for UPS applications protecting routers, switches, small servers, and other critical electronics. It’s also appropriate for battery-powered tools that require reliable short-term energy bursts. With U.L. recognition and CE certification, you can be confident in consistent quality and safety across a variety of installation environments.

Receiving this battery brand new and factory fresh ensures immediate readiness and predictable runtime performance. The included 1 year warranty provides additional peace of mind and assurance of product support in the event of early-life issues. For businesses and home users looking for a long-lasting battery replacement that restores full UPS functionality, this unit offers straightforward value.

Searching for a replacement UPS battery or a high-performance UPS battery for the SL Waber Power House 420T? This product combines safety certifications, maintenance-free convenience, and dependable performance to keep your equipment protected.

Replace your SL Waber Power House 420T battery today—order now to secure reliable emergency power and long-lasting battery performance with a 1 year warranty.


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