For questions, quotes, or help finding the right battery, feel free to email us at sales@batteryweb.com

New collections added! Learn more

🎉 First Order Special 🎉

First-time shoppers get 5% OFF on batteries & accessories!

WELCOME5
SigmasTek  |  SKU: BW-13641

12 Volt 1.4 Amp Sealed Lead Acid High Performance Replacement Battery

Sale price $14.33 USD Regular price $17.36
Shipping calculated at checkout.

➤ Meets or exceeds OEM SLA battery specifications for reliable performance

➤ Maintenance-free with a non-spillable, sealed lead acid design

➤ Suitable for cycle and standby use with 3-5 years life expectancy

➤ UL listed and includes a minimum one-year warranty for guaranteed quality

➤ Ideal for emergency lighting, security alarms, medical equipment, and more


📦🚀 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.

📸 Send Your Battery Photo / Unsure? Expert Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR IMAGE

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 | 1.2 Ah

Terminal Type

F1

12 Volt 1.4 Amp Sealed Lead Acid Replacement Battery — Compatible with SigmasTek (Model Tag: 12 Volts1.2 Ah F1)

This replacement battery is offered for compatibility with small-form-factor sealed lead acid models and is supplied to meet or exceed OEM SLA specifications. The product description references a 12 Volt 1.4 Amp battery and also includes model identification reading 12 Volts 1.2 Ah F1 (SigmasTek). Regardless of the label variations, this unit is delivered brand new, factory fresh, UL listed, and backed by a minimum one year warranty to provide reliable backup power and steady performance for low-capacity, high-reliability applications.

Key Specifications

  • Voltage: 12 Volt
  • Capacity: 1.4 Amp (as stated in product description)
  • Alternate Model Tag Capacity: 1.2 Ah (present in model identifier)
  • Condition: Brand New, Factory Fresh
  • Warranty: Minimum One Year Warranty
  • Certifications: UL Listed
  • Design: Maintenance-Free, Non-Spillable
  • Operating Orientation: Can operate in any orientation
  • Life Expectancy: 3-5 years in standby use
  • Terminal Type: F1 (mentioned and shown in model tag)
  • Brand/Model Identifier: SigmasTek — 12 Volts1.2 Ah F1

Benefits

This compact replacement battery offers a high-performance battery option for small UPS units, alarm systems, medical monitors, and other equipment that requires low current but reliable standby power. The sealed, maintenance-free construction reduces the need for maintenance and eliminates concerns about acid spills, making it safe for sensitive indoor equipment. With UL listing and factory freshness, the battery provides reliable startup and consistent voltage under standby conditions.

Durability and long life are emphasized through the non-spillable AGM-style sealed design and the listed 3-5 year life expectancy in standby service. As a long-lasting battery for small systems, it supports emergency lighting, security and fire alarms, consumer electronics, and certain medical devices where stable backup power is essential. The F1 terminal offers a compact connection style suitable for many compact equipment housings and original-equipment replacement scenarios.

Because both a 1.4 Amp description and a 1.2 Ah model tag appear in the product information, this listing captures the available specification details so you can confirm fit and compatibility with your equipment model before purchasing.

Choose this 12 Volt 1.4 Amp replacement battery (SigmasTek model tag 12 Volts1.2 Ah F1) today for a dependable, high-performance battery and a long-lasting battery solution. Add to cart now to restore reliable backup power with fast shipping and support.


Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.