XTAR 18500 2600mAh Protected Li-ion Battery — Source Factory Direct, Stable Power for Professional Devices

• High Capacity 2600mAh: Compared to standard 2000mAh and 2400mAh cells, our advanced high-density technology boosts capacity to 2600mAh. Enjoy longer runtime and fewer battery changes, ensuring uninterrupted operation for your devices.
• 4.5A High Drain Output: Supports up to 4.5A max continuous discharge with stable voltage output. Whether it is a high-brightness tactical flashlight or a thermal imaging device requiring high current, it delivers consistent power.
• Precise 18500 Dimensions: Manufactured strictly to standard 18500 dimensions (Φ18.4 × 52.0mm). Precise size control guarantees smoother installation, completely eliminating compatibility issues caused by oversized cells.
• Wide Temperature Range: Rigorously tested to operate reliably between -20°C and 60°C. From freezing outdoor exploration to hot industrial inspections, it maintains consistent power output.
• Long Cycle Life: High-quality materials and craftsmanship ensure a cycle life of over 500 times, offering durability and saving costs for long-term use and bulk procurement.

Established in 2006, XTAR is a leading provider of high-quality lithium-ion batteries, smart chargers, and LED flashlights. Based in Shenzhen, we integrate R&D, production, and sales to deliver innovative power solutions. With over 20 years of expertise, XTAR is your trusted partner for reliable energy products, offering customized solutions for OEM and wholesale clients.

• 2005

  At XTAR, we fully understand the importance of batteries to a device's performance. We selected superior batteries and LEDs to produce the PK keychain flashlight, which is brighter and has a longer runtime than any other model on the market.

• 2006

  With product and user safety in mind, we developed the industry's first 16340 and 18650 lithium-ion batteries equipped with protection circuits, ushering in a new era of lithium-ion battery safety.

• 2009

  Pioneered three-stage charging technology for lithium batteries (Patent No.: 201720828840.6), solving overheating and incomplete charging issues.

• 2011

  Launched WP2II charger with 0V activation & USB output, reviving over-discharged lithium batteries and improving utilization.

• 2013

  Released PANZER XP4, the first charger intelligently adapting to lithium-ion and nickel-metal hydride batteries.

• 2017

  Launched Over 4 Slim, the market's first 4.1A × 2 fast charger with internal resistance/temperature detection and overheat protection.

• 2020

  Launched next-gen 1.5V rechargeable AA lithium batteries, outperforming traditional NiMH batteries and rewriting AA battery history.

• 2024

  Expanded 1.5V AA/AAA lithium battery line with Constant Voltage + Linear series, leading the mainstream of reliable power.

• 2025

  We joined U.S. ATA & SHOT Show, entering outdoor, optical, night vision & thermal imaging sectors, delivering safe, reliable power solutions to users; launched world-first touch battery power check technology.

We operate our own factory with efficient production processes ensuring precise production cycles. Manufacturing under our original brand guarantees product consistency and provides convenient maintenance and after-sales service. XTAR integrates the brand values of safety, reliability, and innovation into every product.

• ISO-9001 Certification
• MSDS Certification
• UN38.3 Certification
• CE Certification
• RoHS Certification