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SigmasTek  |  SKU: BW-16012

IBT Technologies BT3.4-12HR High Capacity Replacement Battery

Sale price $14.99 USD Regular price $28.46
Shipping calculated at checkout.

➤ Compatible replacement for IBT Technologies BT3.4-12HR model

➤ Uses advanced Absorbent Glass Mat (AGM) technology for reliable performance

➤ Maintenance-free, spill-proof design for safe and hassle-free use

➤ U.L. Recognized and CE Certified for quality assurance

➤ Brand new, factory fresh with a 1-year warranty included


📦🚀 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 | 3.5 Ah

Terminal Type

F1

IBT Technologies BT3.4-12HR Replacement — Compatible with BT3.4-12HR

Replace your aging battery with this IBT Technologies BT3.4-12HR replacement battery built to meet or exceed the OEM SLA specifications. This high-performance battery delivers dependable, maintenance-free power for a wide range of uses—from emergency systems to daily portable applications. Expect consistent voltage, safe operation, and a long-lasting battery life that keeps critical equipment online.

Key Specifications

  • Model: IBT Technologies BT3.4-12HR (Replacement)
  • Battery Type: Rechargeable Sealed Lead Acid (SLA)
  • Technology: Absorbent Glass Mat (AGM)
  • Voltage: 12 Volts
  • Capacity: 3.5 Ah
  • Terminal: F1
  • Design: Maintenance-Free, Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Brand/Source: SigmasTek

Benefits

  • Durability: The sealed AGM design offers robust protection against vibration and environmental stressors, ensuring a safe, reliable service life.
  • Long Life: Designed for steady charge/discharge performance, this long-lasting battery reduces replacement frequency and lowers total cost of ownership.
  • High Performance: Delivers a consistent 12V at 3.5 Ah capacity, making it a high-performance battery option for UPS systems, security, and portable electronics.
  • Maintenance-Free Convenience: The spill-proof, sealed configuration eliminates the need for fluid checks and routine maintenance, saving time and effort.
  • Safety & Compliance: U.L. recognition and CE certification provide assurance that the replacement battery meets industry safety standards for residential and commercial use.
  • Typical Applications: Ideal for UPS backup, alarm and security systems, emergency lighting, medical devices, mobility aids, and small power tools requiring reliable backup power.

Secure dependable backup power with this IBT Technologies BT3.4-12HR replacement battery from SigmasTek. Backed by a 1 year warranty and shipped factory fresh, this long-lasting, high-performance battery is an excellent choice to replace worn or expired cells. Click to purchase now and restore reliable power to your equipment.



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