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SigmasTek  |  SKU: BW-1821

12 Volt 100 Amp UPS High Performance Compatible Replacement Battery

Sale price $216.64 USD Regular price $306.90
Shipping calculated at checkout.

➤ High rate discharge design for quick power output

➤ Valve regulated spill proof construction for safe use

➤ Low self-discharge ensures longer shelf life

➤ High vibration resistance for durability in tough conditions

➤ U.L. recognized and CE certified for quality assurance


📦🚀 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 | 100 Ah

Terminal Type

Nut & Bolt

UPS12-100(NB) Replacement UPS Battery — Compatible with UPS12-100(NB)

Designed for demanding backup power needs, this replacement UPS battery for the UPS12-100(NB) delivers reliable performance, tested quality, and consistent power when you need it most. Ideal for high-rate discharge scenarios, this high-performance UPS battery is built to supply high current for short durations while maintaining stability and safety. Whether you are replacing worn cells in a server room UPS, upgrading your emergency power setup, or restocking battery powered tools, this long-lasting battery solution gives you confidence in uptime and protection.

Key Specifications

  • Brand: SigmasTek
  • Model: UPS12-100(NB)
  • Voltage: 12 Volts
  • Capacity: 100 Ah
  • Terminal Type: Nut & Bolt
  • High Rate Discharge Design
  • Valve Regulated Spill Proof Construction
  • Low Self-discharge
  • High Vibration Resistance
  • U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

  • Durability: Built with valve regulated, spill-proof construction and high vibration resistance to withstand transport and active environments, this replacement UPS battery resists common mechanical stresses and provides stable service life.
  • Long life and reliability: Low self-discharge chemistry and factory-fresh condition ensure long shelf life and dependable readiness when installed — a true long-lasting battery for backup systems.
  • High performance: The high rate discharge design supports bursts of high current output demanded by UPS applications, making it a high-performance UPS battery for short-duration, high-load events.
  • Safety & compliance: U.L. recognition and CE certification provide peace of mind that the battery meets recognized safety and quality standards for critical power systems.
  • Versatile applications: Specifically suited for Uninterruptible Power Supply (UPS) units, emergency power supplies, and battery powered tools that require rapid, reliable energy delivery.
  • Guaranteed quality: Each battery is personally tested to meet or exceed OEM specifications so you receive consistent performance and compatibility with your UPS12-100(NB) unit.
  • Easy procurement: Brand new, factory fresh units backed by a 1 year warranty provide a straightforward replacement path with assured support and return options if needed.

Replace your aging cells with this proven replacement UPS battery for the UPS12-100(NB) today. Order now to secure a high-performance UPS battery that delivers reliable backup power, long-lasting battery life, and fast shipping on in-stock items.


Payment & Security

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