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SigmasTek  |  SKU: BW-13242

12 Volt 12 Amp F2 High Rate Sealed Lead Acid Compatible Replacement Battery

Sale price $50.75 USD Regular price $63.70
Shipping calculated at checkout.

➤ Genuine 12 Volt 18 Amp NB High Rate Sealed Lead Acid battery

➤ Absorbent Glass Mat (AGM) technology for enhanced performance

➤ Maintenance-free and spill-proof design for easy use

➤ U.L. Recognized and CE Certified for safety and reliability

➤ Backed by a 1-year warranty for peace of mind


📦🚀 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 | 12 Ah

Terminal Type

F2

12 Volt 18 Amp NB High Rate Replacement Battery — Compatible with SigmasTek SP12-12HR

This genuine 12 Volt 18 Amp NB high rate sealed lead acid rechargeable replacement battery is designed for compatibility and reliability with the SigmasTek SP12-12HR model. Offering maintenance-free operation and safety certifications, this high-performance battery is an excellent replacement battery for small UPS modules, emergency lighting units, and other standby applications where compact, dependable power is required. The NB series delivers practical, long-lasting battery service in a compact form factor.

Key Specifications

  • Brand: NB (compatible with SigmasTek SP12-12HR)
  • Model/Compatibility: SigmasTek SP12-12HR
  • Volts: 12 Volt
  • Amp Hours: 18 Amp (NB High Rate)
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatibility Guarantee: Meets or exceeds OEM SLA battery specifications; 100% compatibility with SigmasTek SP12-12HR

Benefits

This compact 12V 18Ah NB high rate replacement battery offers a maintenance-free, long-lasting battery solution for small-scale backup systems. The AGM construction ensures spill-proof safety and reduces maintenance needs, while U.L. recognition and CE certification provide assurance of safety and regulatory compliance. Designed to meet OEM SLA specs, this replacement battery fits systems that require a reliable standby source and stable performance.

The NB battery is ideal for Uninterruptible Power Supply (UPS) modules, emergency power and lighting, alarm systems, and other small backup installations. Its high-rate capability supports short, intensive loads and quick power delivery when needed, while the maintenance-free AGM design makes it suitable for installation near sensitive equipment or in tight spaces. Although compact, it provides the dependable runtime essential for protecting critical electronics and ensuring safe shutdown or transition during power events.

Need a trusted, long-lasting battery replacement for your SigmasTek SP12-12HR? Order this genuine 12 Volt 18 Amp NB high rate replacement battery now to restore reliable backup power and protect your equipment.


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