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SigmasTek  |  SKU: BW-1877

UPS12-18 High Performance UPS Replacement Battery Set (16)

Sale price $620.80 USD Regular price $879.46
Shipping calculated at checkout.

➤ Includes 16 brand new SigmasTek UPS12-18 batteries (12V 18 AH)

➤ High rate discharge design for reliable UPS and emergency power

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

➤ Low self-discharge and vibration resistance for durability

➤ UL recognized, CE certified, backed by 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 | 18 Ah

Terminal Type

Nut & Bolt

SigmasTek UPS12-18 (NB) — Compatible with UPS12-18 (NB) UPS Models (16-Pack)

This brand new bulk set of replacement UPS batteries is built specifically for the UPS12-18 (NB) configuration. The package includes 16 SigmasTek UPS12-18 batteries (12 Volts, 18 AH each), ideal for large UPS banks, data center racks, and extended emergency power arrays. Each battery is factory fresh, tested to meet OEM standards, and designed for reliable performance under high-rate discharge conditions.

Key Specifications

  • Model: UPS12-18 (NB)
  • Quantity: Set of 16 batteries
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 18 AH
  • Terminal Type: Nut & Bolt
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated, Spill Proof Construction
  • Features: Low Self-discharge; High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year
  • Installation Note: Use all existing cables and hardware from original configuration to connect

Benefits

  • Robust Durability: Valve-regulated, spill-proof cases and high vibration resistance protect performance in rack-mounted UPS banks and other demanding installations.
  • Extended Service Life: Low self-discharge helps ensure that each battery remains ready for service, offering reliable backup power when you need it most — a long-lasting battery option for business continuity.
  • Exceptional Power Delivery: The high rate discharge design performs well during peak load events, providing the burst power required by modern UPS systems — a true high-performance UPS battery choice.
  • Certified Safety: U.L. recognition and CE certification provide assurance for deployment in commercial and industrial environments.
  • Scalable for Large Systems: With 16 batteries in the set, this pack is ideal for larger UPS arrays, telecom cabinets, and multi-battery emergency power solutions.
  • Tested & Trusted: Every battery is tested by technical staff to meet or exceed OEM specifications, ensuring dependable integration with UPS12-18 (NB) systems.

Stock up on reliable power: order this 16-pack SigmasTek replacement UPS battery bundle for your UPS12-18 (NB) configuration now. Enjoy fast shipping on in-stock items and the peace of mind that comes with a factory-fresh, high-performance UPS battery backed by a 1 year warranty.


Payment & Security

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