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SigmasTek  |  SKU: BW-13633

12 Volt 2.9 Amp Sealed Lead Acid High Performance Replacement Battery

Sale price $24.26 USD Regular price $29.37
Shipping calculated at checkout.

➤ Meets or exceeds OEM SLA battery specifications for reliable performance

➤ Brand new, factory fresh, and high quality sealed lead acid battery

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

➤ Ideal for emergency lighting, security alarms, fire alarms, and more

➤ Includes minimum one-year warranty and UL listing for guaranteed safety


📦🚀 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 | 2.9 AH

Terminal Type

F1

12 Volt 2.9 Amp Sealed Lead Acid Battery — SigmasTek 12 Volts2.9 AHF1

Designed to deliver reliable compatibility and dependable power, the 12 Volt 2.9 Amp Sealed Lead Acid battery from SigmasTek meets or exceeds OEM SLA battery specifications for a wide range of devices. This replacement battery is factory fresh, UL listed, and built for consistent performance whether used in standby or cycle applications. If you need a high-performance battery that provides reliable runtime and a long-lasting battery lifecycle, this SigmasTek 12 Volt 2.9 Amp model is an excellent choice for emergency systems and everyday electronics alike.

Key Specifications

  • Voltage: 12 Volt
  • Capacity: 2.9 Amp (as listed in product title)
  • Type: Sealed Lead Acid (SLA), rechargeable
  • Condition: Brand new, factory fresh
  • UL Listing: UL listed
  • Warranty: Minimum of one year warranty
  • Design: Maintenance-free, non-spillable
  • Usage: Ideal for cycle and standby use
  • Orientation: Can operate in any orientation
  • Life Expectancy: 3-5 years in standby use
  • Applications (listed): Emergency lighting, security alarms, fire alarms, home & garden, consumer electronics, medical equipment
  • Product Code/Model Info (as listed): 12 Volts2.9 AHF1

Benefits

  • Durability: Built as a sealed, maintenance-free unit with a non-spillable design so it withstands daily use and reduces upkeep for installers and end users.
  • Long life: Designed to deliver a long-lasting battery lifecycle, with a standby life expectancy of 3-5 years when properly maintained and installed.
  • High performance: Meets or exceeds OEM SLA specifications to provide stable voltage and reliable discharge characteristics for both standby and cyclic applications — a true high-performance battery replacement.
  • Versatile applications: Perfect as a replacement battery in emergency lighting, security and fire alarm systems, medical equipment, consumer electronics, and home & garden devices.
  • Critical power readiness: Great for UPS systems and emergency power setups where dependable backup energy is essential to protect equipment and maintain operation during outages.
  • Portable power: Suitable for power tools and portable devices that require a dependable sealed lead acid solution for intermittent heavy load use.
  • Peace of mind: UL listing plus a minimum one-year warranty and factory-fresh condition ensure you receive a safe, quality product at a competitive price.

Ready to replace your old battery? Order this replacement battery today to secure a reliable, high-performance, long-lasting battery for your equipment. Purchase now and enjoy fast shipping and dependable support.


Payment & Security

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