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SigmasTek  |  SKU: BW-18637

Interstate FAYTZ14S Compatible Replacement Battery

Sale price $89.46 USD Regular price $113.74
Shipping calculated at checkout.

➤ Maintenance-free AGM design eliminates the need for acid filling

➤ Spillproof and leakproof for safe, hassle-free use

➤ U.L. Recognized and CE Certified for quality assurance

➤ Superior starting power with deep cycle capacity for motorcycles

➤ Extreme resistance to freeze, heat, and vibration for durability


📦🚀 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 | 11 Ah

Terminal Type

Nut & Bolt

Interstate Battery FAYTZ14S Compatible Replacement Battery

This compatible replacement for the Interstate Battery FAYTZ14S is an AGM maintenance-free battery engineered for safety, reliability, and strong starting performance. If you need a replacement battery that offers spillproof construction, deep cycle capacity, and certified quality, this SigmasTek-built unit provides a convenient, long-lasting solution without the need to handle acid or perform regular maintenance.

Key Specifications

  • Compatible Model: Interstate Battery FAYTZ14S
  • Brand: SigmasTek (compatible with Interstate Batteries)
  • Voltage: 12 Volts
  • Capacity: 11 Ah
  • Terminal Type: Nut & Bolt
  • Design: AGM Maintenance-Free (Absorbed Glass Mat Design)
  • Maintenance: Maintenance-Free Design
  • Safety: Spillproof and Leakproof Design
  • Certifications: U.L. Recognized and CE Certified
  • Ventilation: Valve Regulated Vent System
  • Durability: Extreme Freeze, Heat and Vibration Resistance
  • Performance: Superior Starting Power and Deep Cycle Capacity
  • Condition: Brand New, Factory Fresh
  • Warranty: 6 Month Warranty

Benefits

Designed to be a dependable and maintenance-free alternative to the Interstate Battery FAYTZ14S, this replacement battery brings the benefits of AGM technology: sealed operation, improved safety, and strong performance in high-rate discharge scenarios. The battery’s spillproof and leakproof design makes it safe for transport and installation, while UL recognition and CE certification confirm its compliance with important safety standards.

The unit’s superior starting power and deep cycle capability make it suitable for frequent starts and powering accessories. Vibration and temperature resistance ensure consistent operation in a range of conditions, from cold-weather starts to hot climates. As a long-lasting battery solution, it reduces the need for frequent swaps and supports emergency power uses when you need dependable backup.

  • Safe, sealed AGM construction for hassle-free ownership
  • Reliable starting and deep cycle support for accessories
  • Applications: motorcycle starting systems, emergency backup power, portable tool power
  • Ideal for users seeking a durable, long-lasting battery with certified safety

Ready to upgrade? Buy this replacement Interstate Battery FAYTZ14S compatible battery now for a high-performance, long-lasting battery solution backed by factory-fresh quality and a 6-month warranty.


Payment & Security

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