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Brightway Group  |  SKU: BW-0508

Topaz EA2120 Compatible Replacement Battery By Bright Way

Sale price $92.48 USD Regular price $138.73
Shipping calculated at checkout.

➤ Custom-built for Topaz EA2120 UPS compatibility

➤ 12V, 35Ah capacity offers long runtime support

➤ Nut & Bolt terminal for easy installation

➤ Reliable Bright Way brand ensures performance

➤ Ideal for protecting critical devices


📦🚀 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 | 35 AH

Terminal Type

Nut & Bolt

12-Volt 35-Amp Hour Replacement Battery by Bright Way — Compatible with Topaz EA2120

Ensure continuous protection for your Topaz EA2120 UPS with the Bright Way 12-Volt, 35-Amp Hour Replacement Battery. Precision-engineered for compatibility with the Topaz EA2120, this unit provides reliable 12V power and extended capacity to keep critical equipment running through power interruptions. Whether used in a small business environment or in home-critical systems, this replacement UPS battery delivers the dependable performance and long service life you expect.

Key Specifications

  • Voltage: 12 Volts
  • Capacity: 35 Amp Hours (35 Ah)
  • Terminal Type: NB (Nut & Bolt) Terminals
  • Brand: Bright Way (Brightway Group)
  • Compatible UPS Model: Topaz EA2120

Benefits

This Bright Way battery is a long-lasting battery solution, designed to deliver consistent discharge performance and reliable recovery after charging. Its higher 35 Ah capacity makes it a high-performance UPS battery ideal for systems that demand longer runtime or for installations where generator support is delayed. The NB terminal type provides a robust mechanical connection, reducing the chance of loose contacts in mobile or vibration-prone environments.

Durability and maintenance simplicity are key advantages — this battery is built to withstand frequent cycling while maintaining capacity, which makes it a great choice for UPS backup, emergency power systems, and power tools that require a dependable 12V source. In server rooms, network closets, and emergency lighting setups, this Bright Way replacement ensures cleaner, uninterrupted power to sensitive electronics and prevents data loss during blackouts.

Choosing this replacement UPS battery for your Topaz EA2120 helps extend the usable life of your UPS by providing a fresh, high-capacity power source. Bright Way’s manufacturing practices support predictable performance and reduced downtime, enabling easier maintenance scheduling and confidence in backup readiness.

Restore the resilience of your Topaz EA2120 today — order this high-performance, long-lasting battery now and secure reliable backup power for your most important systems.


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