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SigmasTek  |  SKU: BW-13625

12V 4.5AH Sealed Lead Acid High Performance Replacement Battery

Sale price $14.27 USD Regular price $17.28
Shipping calculated at checkout.

➤ Meets or exceeds OEM SLA battery specifications for reliable performance

➤ Brand new, factory fresh, high quality with guaranteed best price

➤ Maintenance-free, non-spillable design for safe and hassle-free use

➤ UL listed with minimum one year warranty for peace of mind

➤ Versatile use in 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.

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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 | 5 AH

Terminal Type

F1

12V 4.5AH Sealed Lead Acid Battery — Compatible with 12V 4.5AH Devices

When you need a compact, dependable power source, this 12V 4.5AH replacement battery provides reliable performance and compatibility for a wide range of devices. Engineered to meet or exceed OEM SLA specifications, this factory-fresh sealed lead acid battery delivers the steady output and maintenance-free operation required for emergency systems, consumer electronics, and medical equipment. Choose this high-performance battery for consistent, long-lasting battery service in critical applications.

Key Specifications

  • Model: 12V 4.5AH Sealed Lead Acid Battery
  • Voltage: 12V
  • Capacity: 4.5AH
  • Battery Type: Sealed Lead Acid (SLA)
  • Design: Maintenance-Free, Non-Spillable
  • Usage: Suitable for both Cycle and Standby Use; can operate in any orientation
  • Life Expectancy: 3–5 years in standby use (as indicated)
  • Condition: Brand New, Factory Fresh
  • Warranty: Minimum One Year Warranty
  • Certifications: UL Listed
  • Terminal: F1
  • Brand Reference: SigmasTek (as listed)

Benefits

This 12V 4.5AH replacement battery is designed for reliable, durable performance across a variety of applications. The sealed and maintenance-free AGM/SLA construction prevents spills and minimizes upkeep, making it ideal for installation in emergency lighting, security and fire alarm systems, home & garden equipment, and portable medical devices. As a high-performance battery, it provides stable voltage under load and good recharge acceptance for repeated cycling when used in power-critical equipment.

The long-lasting battery design helps ensure that your equipment remains operational during power interruptions and that backup systems hold charge over extended standby periods. Its compact form factor and ability to operate in any orientation give installers flexibility in tight enclosures and specialized equipment housings. Whether you need dependable backup for UPS systems, emergency power for safety systems, or a consistent energy source for consumer electronics, this 12V 4.5AH unit is optimized to deliver dependable service.

Order your 12V 4.5AH Sealed Lead Acid replacement battery today to secure a reliable, long-lasting battery backed by UL listing and a one-year warranty — fast shipping available for in-stock items.


Payment & Security

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