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-13597

12 Volt 12 Amp Sealed Lead Acid High Performance Replacement Battery

Sale price $31.88 USD Regular price $38.61
Shipping calculated at checkout.

➤ Meets or exceeds OEM SLA battery specifications for reliable performance

➤ Brand new, factory fresh, and high quality for long-lasting use

➤ Maintenance-free, non-spillable design suitable for any orientation

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

➤ Includes minimum one-year warranty and is UL listed for safety 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.

📸 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 | 12 Ah

Terminal Type

F2

12 Volt 12 Amp Sealed Lead Acid Battery — SigmasTek 12V 12Ah (F2)

This 12 Volt 12 Amp sealed lead acid battery is a dependable replacement battery option that meets or exceeds OEM SLA specifications. Supplied brand new and factory fresh, this high-performance battery is UL listed and includes a minimum one year warranty. Designed for maintenance-free, non-spillable use, it’s an excellent choice when you need a long-lasting battery for standby or cycle applications across a variety of devices and systems.

Key Specifications

  • Brand: SigmasTek
  • Model: 12 Volt 12 Amp Sealed Lead Acid Battery
  • Voltage: 12 Volts
  • Capacity: 12 Amp (12 Ah)
  • Terminal Type: F2
  • Design: Maintenance-Free, Non-Spillable
  • Orientation: Can operate in any orientation
  • Life Expectancy: 3-5 years in standby use
  • Certifications: UL Listed
  • Condition: Brand New, Factory Fresh
  • Warranty: Minimum 1 Year
  • Availability: In stock; ships within 24 hours

Benefits

  • Robust and reliable: Sealed, non-spillable design and UL listing provide dependable performance and enhanced safety for residential and commercial installations.
  • Maintenance-free convenience: No watering or electrolyte maintenance required—ideal for hard-to-reach or permanently installed equipment.
  • Long-lasting battery life: Expected 3–5 year life in standby applications ensures extended service before replacement is needed.
  • High-performance battery: Stable voltage and consistent capacity make it suitable for sensitive electronics, backup power, and cyclic use.
  • Flexible installation: Can be operated in any orientation, broadening installation options for varied equipment and enclosure types.
  • Wide range of applications: Commonly used for emergency lighting, security alarms, fire alarms, home & garden devices, consumer electronics, and medical equipment.
  • Fast fulfillment: In stock and ships within 24 hours to minimize downtime and get your systems back online quickly.

If you need a dependable 12V 12Ah replacement battery, choose this SigmasTek sealed lead acid unit for proven performance, safety, and long life. Click to purchase now and secure a high-performance, long-lasting battery backed by a one-year warranty and fast shipping.


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.