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SigmasTek  |  SKU: BW-13245
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12 Volt 5.5 Amp F2 High Rate Sealed Lead Acid Compatible Replacement Battery

Sale price $10.43 USD Regular price $13.78
Shipping calculated at checkout.
12 Volt 5.5 Amp high rate sealed lead acid rechargeable battery
Maintenance-free, non-spillable design for safe and easy use
Suitable for cycle and standby applications with 3-5 years life expectancy
UL listed and includes a minimum one-year warranty for reliability
Ideal for emergency lighting, security alarms, fire alarms, and more
In Stock

Fast Shipping
30-Day Easy Returns
OEM Fit Verified
📦 Fast Shipping | ↩️ 30-Day Returns | ✅ OEM Fit Verified

Key Specifications

Brand Replacement
12 Volt 5.5
Volts & Amps
12 Volts | 5.5 Ah
Terminal Type
F2
Technical Specifications
12 Volt 5.5 Amp F2 High Rate Sealed Lead Acid Compatible Replacement Battery
Product Information
Amp Hours5.5 Ah
Voltage12 Volts
Terminal TypeF2
TypeHeavy Duty Batteries
Length (in.)3.54
Width (in.)2.76
Height (in.)3.98
Weight (lb.)4.2
Brand Replacement12 Volt 5.5
ManufacturerSigmasTek
Warranty & Return Policy
Warranty 12 Months
Return Policy 30 Days
Last Updated: 10 March 2026

⚠️ 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).


12 Volt 5.5 Amp F2 High Rate Sealed Lead Acid Battery — Compatible with Sealed Lead Acid 12 Volt 5.5 Amp models

This 12 Volt 5.5 Amp high-rate replacement battery is engineered to match or exceed OEM SLA specifications and provides dependable power for emergency and standby applications. Marketed as a 12 Volt 5.5 Amp T2/F2 High Rate Sealed Lead Acid rechargeable battery, it’s supplied brand new, factory fresh, and UL listed to ensure the quality and safety you expect from a high-performance battery. Ideal when you need a long-lasting battery that fits a variety of devices.

Key Specifications

  • Voltage: 12 Volts
  • Capacity: 5.5 Ah (Amp-hours)
  • Terminal Type: T2 (mentioned) / F2 (also referenced)
  • Technology: Sealed Lead Acid, Absorbent Glass Mat (AGM) implied by sealed, maintenance-free description
  • Design: Maintenance-Free, Non-Spillable, Operates in Any Orientation
  • Certifications: UL Listed
  • Condition: Brand New, Factory Fresh, High Quality
  • Warranty: Minimum of 1 Year Warranty
  • Brand: SigmasTek

Benefits

  • Durability: Sealed, maintenance-free design and non-spillable construction provide rugged reliability and safe operation in a range of environments.
  • Long Life: Designed for both cycle and standby use with a typical standby life expectancy of 3–5 years, delivering a long-lasting battery solution for critical systems.
  • High Performance: High-rate capability supports rapid discharge when needed, making this a dependable high-performance battery for alarm systems and backup power devices.
  • Versatile Applications: Well-suited for emergency lighting, security alarms, fire alarms, home & garden equipment, consumer electronics, medical devices, UPS systems, and other emergency power or tool applications.
  • Fast Shipping & Support: In-stock inventory and prompt shipping (same-day/24-hour dispatch mentioned) help you restore systems quickly; customer service support is available for purchasing help.

Buy this 12 Volt 5.5 Amp F2/T2 replacement battery today to ensure reliable standby power and superior performance. Add to cart now for a long-lasting battery solution backed by factory-fresh quality and a one-year warranty.



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