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SigmasTek  |  SKU: BW-4812

Topaz 83186-03 UPS Compatible Replacement Battery Set

Sale price $274.99 USD Regular price $402.31
Shipping calculated at checkout.

➤ Includes 3 brand new SigmasTek SP12-35 NB batteries (12V, 35 AH) for Topaz 83186-03 UPS

➤ High rate discharge design supports short bursts of high power output

➤ Valve regulated, spill-proof construction for safe, maintenance-free operation

➤ Low self-discharge extends battery life during storage and use

➤ Certified by U.L. and CE 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

12 Volts | 35 AH

Terminal Type

Nut & Bolt

SigmasTek SP12-35 NB Replacement Battery Set for Topaz 83186-03 UPS

Bring your Topaz 83186-03 Uninterruptible Power Supply back to full strength with this compatible, reliable replacement UPS battery set. Engineered for consistent power delivery and trusted performance, this three-battery kit is perfect for critical loads that depend on uninterrupted power. If your UPS needs fresh batteries to sustain runtime and protect equipment, these SigmasTek batteries provide a dependable solution.

Key Specifications

  • Brand: SigmasTek
  • Model: SP12-35 NB
  • Voltage: 12 Volts
  • Capacity: 35 AH
  • Quantity: 3 batteries per set
  • Terminal Type: Nut & Bolt
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof
  • Features: Low Self-discharge
  • Features: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatible UPS Model: Topaz 83186-03

Benefits

This replacement UPS battery set offers proven durability for both routine and demanding applications. The high rate discharge design is optimized for scenarios where increased power output is required for short durations, making this a top-tier high-performance UPS battery for the Topaz 83186-03. Valve regulated, spill-proof construction ensures safe installation inside UPS cabinets and minimizes maintenance needs, while low self-discharge preserves stored capacity between installs.

High vibration resistance enhances reliability in environments subject to movement or mechanical stress. Certified by U.L. and CE, these batteries meet recognized safety and performance standards. Each set is brand new and factory fresh, and all units are tested to meet or exceed OEM specifications so you can trust their runtime and stability. These features combine to deliver a long-lasting battery solution that supports continuous protection for your equipment.

Common uses include Uninterruptible Power Supply (UPS) systems, emergency power backup, and battery-powered tools that require dependable burst power. For technicians and facilities managers seeking a reliable replacement UPS battery that balances performance, safety, and cost, the SigmasTek SP12-35 NB set is an excellent choice for the Topaz 83186-03 UPS.

Replace your Topaz 83186-03 batteries with confidence—purchase this long-lasting, high-performance UPS battery set today and benefit from prompt shipping and a 1 year warranty.


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