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SigmasTek  |  SKU: BW-4234

APC Back-UPS RS BR500I UPS High Performance Replacement Battery

Sale price $16.99 USD Regular price $24.15
Shipping calculated at checkout.

➤ AGM technology ensures reliable, long-lasting power

➤ High rate discharge design ideal for emergency power supply

➤ Maintenance-free with spill-proof design for worry-free use

➤ U.L. recognized and CE certified for safety and compliance

➤ Fits APC Back-UPS RS BR500I model, includes 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

12 Volts | 7.5 Ah

Terminal Type

F2

APC Back-UPS RS BR500I Replacement Battery — Compatible with APC Back-UPS RS BR500I

Replace the depleted battery in your APC Back-UPS RS BR500I with this high-quality SigmasTek unit designed to meet or exceed OEM SLA specifications. This replacement UPS battery restores runtime and reliability for the BR500I, ensuring your backup system is ready for outages, surges, and unexpected power interruptions. Trusted compatibility and robust performance make this an ideal choice for maintaining uptime.

Key Specifications

  • Compatible UPS Model: APC Back-UPS RS BR500I
  • Battery Type: Sealed Lead Acid (SLA)
  • Technology: Absorbent Glass Mat (AGM)
  • Voltage: 12 Volts
  • Capacity: 7.5 Ah
  • Terminal Type: F2
  • Design: High Rate Discharge Design
  • Maintenance: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek
  • Typical Applications: Emergency Power Supply, Battery Powered Tools

Benefits

Designed for reliability, this replacement UPS battery delivers long life and dependable performance in the APC Back-UPS RS BR500I. The AGM construction provides a sealed, leak-resistant build that reduces maintenance and allows safe operation inside the UPS housing. Its high rate discharge design provides the surge capability necessary to support typical UPS loads during power interruptions.

As a high-performance UPS battery, this unit offers consistent voltage and solid charge acceptance to maintain runtime across repeated cycles. U.L. recognition and CE certification confirm adherence to safety and performance standards, while the one-year warranty gives added assurance. Use it to restore UPS backup for computers, networking gear, and critical home or small office systems.

The maintenance-free nature of the battery makes installation simple—swap the old module for a brand-new SigmasTek battery and regain protection quickly. It’s also suitable for related 12V 7.5Ah SLA applications, such as emergency power packs and battery-operated tools.

Don’t risk downtime—buy this replacement UPS battery for your APC Back-UPS RS BR500I now. Get a long-lasting, high-performance UPS battery replacement that’s fully compatible and backed by a 1 year warranty. Add to cart for fast delivery and reliable backup.


Payment & Security

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