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SigmasTek  |  SKU: BW-16680

Unicell TLA12120 High Rate Compatible Replacement Battery

Sale price $25.99 USD Regular price $38.61
Shipping calculated at checkout.

➤ Absorbent Glass Mat (AGM) technology for superior performance

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

➤ U.L. recognized and CE certified for safety and reliability

➤ Brand new and factory fresh to ensure maximum lifespan

➤ 1-year warranty for peace of mind and guaranteed quality


📦🚀 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 | 12 Ah

Terminal Type

F2

Unicell TLA12120 High Rate Replacement Battery — Compatible with Unicell TLA12120 High Rate

The Unicell TLA12120 High Rate replacement battery is specifically designed to deliver higher discharge capability while maintaining long-term reliability. This high-rate, replacement battery meets or exceeds OEM SLA battery specifications for the Unicell TLA12120 High Rate model and is an ideal choice when you need strong burst power combined with steady standby performance. With AGM technology and a maintenance-free, spill-proof design, this long-lasting battery balances performance and convenience.

Key Specifications

  • Compatible Model: Unicell TLA12120 High Rate
  • Voltage: 12 Volts
  • Capacity: 12 Ah
  • Terminal Type: F2
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Replacement Brand: SigmasTek
  • Performance: High Rate capability; meets or exceeds OEM SLA battery specifications

Benefits

This high-performance battery is engineered for applications that demand greater discharge currents without sacrificing lifecycle or stability. The Absorbent Glass Mat construction supports improved power delivery for high-rate demands, while remaining sealed and maintenance-free for safe, worry-free operation. The spill-proof design allows flexible installation and reduces risk in mission-critical setups.

Typical applications for the Unicell TLA12120 High Rate replacement include UPS systems that must support heavy loads during transitions, emergency power systems, alarm and security systems, and equipment that requires rapid power bursts such as certain medical devices and industrial tools. Because it is U.L. Recognized and CE Certified and shippped factory fresh, this replacement battery is a reliable and safe option for both commercial and residential use.

The SigmasTek replacement battery is an affordable alternative to OEM units while providing direct compatibility and reassurance through a 1 year warranty. For anyone needing a long-lasting battery with superior high-rate performance, this pack strikes the right balance of durability, performance, and value.

Ready to upgrade? Buy the Unicell TLA12120 High Rate replacement battery now and secure a high-performance, long-lasting battery that delivers dependable power when it matters most.


Payment & Security

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