Welcome to Xain-USA — Your Definitive American Battery Company

We're Your Powerhouse Need a Custom Battery? Contact Us

We Are Pleased to Serve Tens of Thousands of Customers Every Year

  • Free 2-5 day shipping

  • Easy 30-day returns

  • Best prices online

  • Custom batteries

Xain-USA

(1-Pack ) 11.1V 2600mAh Replacement Battery for Signalink Firelink 2 Horn Fire Alarm System (NMC‑101) – Built‑In BMS Protection.

$29.99
Shipping calculated at checkout.

Double check the connector and polarity are identical to your old battery. Not sure? Contact Us!


Care information

To ensure the longevity and safety of your lithium-ion (Li-ion) batteries, follow these care instructions:

  • Avoid Extreme Temperatures
  • Partial Charge is Better
  • Avoid Overcharging
  • Minimize Exposure to High Discharge Rates
  • Store Properly When Unused
  • Use Proper Chargers and Cables
  • Keep Battery Contacts Clean

Delivery and Shipping

We ship our products using USPS Ground Advantage 2-5 Delivery. Please note that USPS may experience delays in its network.

Refer to your receipt email for the tracking code to view updates.

Experience the Xain-USA difference

Enjoy free shipping and 30-day return window on our high-quality batteries

Description

Features:

- Part Number: NMC‑101

- Compatibility: 28.86Wh

- Power Rating: 11.1V - 2600mAh

- Configuration: 3S1P - 18650 cells

- Protection: Built-in Battery Management System (BMS)

- Dimensions: Dimensions: 2.72”x2.2”x0.76” (69x 56x 18 mm).

- Weight: 5.0 oz (142 grams).

- Shipping weight: 8.0 oz.

- Warranty: One Year, US based, no questions asked.

 

 

Bullet Point:

[Enhanced Safety with Built-in Protection]

Our battery features a robust protection system, including a PCB with integrated circuitry, to safeguard against:

Overcharging

Over-discharging

Temperature fluctuations

Overcurrent

Short circuits

Enjoy peace of mind with our advanced safety features.

 

[Quality Assurance]

Certified Supplier: Our batteries are sourced from accredited manufacturers.

Rigorous Testing: Each battery cell undergoes strict quality control for reliability and performance.

Safety Standards: All battery cells adhere to CE, RoHS, UL, IEC62133, and UN38.3 certifications.

 

[Safe Handling]

Store Properly: Avoid extreme temperatures and keep away from children.

Enjoy peace of mind with our high-quality, reliable batteries.

 

[For Your Reference]  The Battery manual is available online at our website xain-usa com. You will find:

Technical Specifications: Access a detailed breakdown of the battery's specifications.

Safety Information: Learn more about safe battery handling practices.

 

[Peace of Mind with Every Purchase]

100% Satisfaction Guarantee: You'll love this replacement battery. If you still need to, you can return it within 30 days for a full refund.

1-Year Warranty: This battery is backed by a 1-year warranty against manufacturing defects.

Exceptional Customer Support: Our friendly and knowledgeable team is here to answer your questions. Contact us at service.xain-usa com, and we'll get back to you within 24 hours.

Shop with confidence and experience the Xain-USA difference!

Payment & Security

Payment methods

  • Amazon
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Battery specification guide

Need help figuring out what the right type of battery fits your needs? We've made a quick guide to explain the differences between our most popular models.

A table comparing the facets of 3 products
Facet
One Cell Battery Pack
Two Cell Battery Pack
Three Cell Battery Pack
Description
Description

The 1S1P 18650 battery pack is a compact, reliable power source for devices like solar lights, small toys, remotes, and more. With a single lithium-ion cell, it offers long-lasting energy and steady performance in a lightweight design.

The 1S2P & 2S1P 18650 battery pack build features two lithium-ion cells, providing more power and longer runtime than the 1S1P version. It’s ideal for devices like higher-power flashlights, and other projects that need extra energy without compromising on size or weight.

The 1S3P & 3S1P 18650 battery pack build contains three lithium-ion cells, offering even more power and extended runtime. Perfect for high-demand devices like power tools, high-intensity electronics, and DIY projects that require extra energy, all in a compact, durable package.

Size
Size
Small
Medium
Large
Use
Use
Lights, Speakers, Toys, Small Electronics
Smart Home Devicers, Speakers, Flashlights, Toys
LED Flashlights, Power Banks, Power Tools, Beauty Mirrors, Large Electronics
Note
Note
Available in 3.7V, 3.8V
Available in 3.7V, 7.4V
Available in 3.7V, 11.1V

We're here to make life easier

Whether you are looking for a popular battery, need assistance finding a model, or want to order a custom-made battery tailored to your needs- we're here.