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  • Picture of 18650 3000mAh Rechargeable Li-ion Battery
  • Picture of 18650 3000mAh Rechargeable Li-ion Battery
Picture of 18650 3000mAh Rechargeable Li-ion Battery
Picture of 18650 3000mAh Rechargeable Li-ion Battery

18650 3000mAh Rechargeable Li-ion Battery

$13.90

This high-drain 18650 Li-ion rechargeable battery can instantly deliver a max 20A burst current, effortlessly driving Searchlight X20 with up to 10,000 lumens and a 28-hour continuous runtime on Low brightness level (90 lumens). No additional battery charger is required with USB-C rechargeable port. Built-in protection circuitry prevents short circuits, overcharging, and overheating. Free from Mercury, Lead, and Cadmium and up to 500 charging cycles, eco-friendly and durable. Apply to ACEBEAM flashlights powered by 18650 batteries, such as P16 2.0, X20-R, M2-X, L17, L19 1.0, K75 2.0, G15, and more.

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Hi-drain battery

15A continuous discharge current

safe Li-ion battery

battery with integrated protective circuit

solid and reliable battery

USB-C Rechargeable

imported battery cells

18650 battery with wide applications

Features

 • 15A Continuous discharge current delivers vibrant and stable power for your devices.
 • Utilizes imported battery cells ensuring a prolonged service life.
 • Safety design both inside and outside
 • ACEBEAM also introduced high-power MOS FETs to cut off when the circuit activates protection, thus ensuring safety.
 • Stainless steel shell with riveting avoids short circuits triggered by collision or impact.
 • USB rechargeable port, no need for an additional charger. 
 • Apply to all ACEBEAM flashlights which powered by 18650 batteries

Specifications
Capacity: 3000mAh 3.6V 
Continuous Discharge Current: 15A
Max Discharge Current: 20A
Length: 70.6mm ± 0.3mm /2.77" ± 0.01" 
Tube dia.: 18.6mm ± 0.15mm /0.73" ± 0.005"
Weight: 49g /1.72oz 

Existing reviews
Acebeam ARC18650H-300A
This high-performance 3,000mAh cell is engineered with a massive 20A continuous discharge to satisfy the power-hungry demands of advanced tactical and EDC lights. Its protected button-top design guarantees a secure fit and reliable safety, ensuring your LEDs hit their maximum output every time.
[hide member info] | 1/13/2026 8:02 PM
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Solid 20A choice
Delivers solid 20A for my X20-R searchlight. Capacity isn't the highest, but Acebeam quality inspires confidence - protection circuit manages heat and shorts reliably. 500 cycles rating seems realistic for regular use. Good choice when high quality and current capability matters more than maximum mAh
[hide member info] | 12/28/2025 6:33 PM
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These are best protected 18650
Do not make the same mistake as I did. Just buy Acebeam battery and save yourself troubles. I bought protected Liitokala 18650 to replace my old Acebeam cell because I could not find a replacement protected battery with similar discharge rate, but unfortunately, it didn’t perform as expected. Despite the manufacturer’s claimed continuous discharge rating, the battery couldn’t properly power my flashlight under high load.
It’s surprisingly difficult to find protected 18650 batteries that match the quality and reliability of Acebeam. After this experience, I realized Acebeam cells are still among the best when it comes to consistent performance and protection
[hide member info] | 12/15/2025 8:54 PM
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BECOME AN ACEBEAM® DISTRIBUTOR

Become an Acebeam Distributor: Precision Illumination for Professionals

Become an Acebeam Distributor: Precision Illumination for Professionals

In the field, whether you are navigating a complex cave system, conducting a tactical patrol, or executing a search and rescue operation, reliable illumination is not a luxury—it is a critical survival tool. At Acebeam, we understand that professionals demand absolute precision. We do not manufacture toys; we engineer high-performance lighting instruments designed to withstand extreme conditions.

As we expand our global footprint from our engineering hub in Shenzhen, we are seeking qualified distributors who share our uncompromising standards. We are looking for partners capable of representing a brand built on technical excellence and rugged durability.

Our Engineering Philosophy
Acebeam products are defined by their specifications and reliability. Our portfolio includes high-lumen searchlights, long-range LEP (Laser Excited Phosphor) technology, and tactical tools built to military-grade standards. We utilize advanced thermal management systems to ensure consistent output and strict quality control to guarantee IP68 waterproofing and impact resistance. When you distribute Acebeam, you are providing end-users with equipment that performs when failure is not an option.

Partner Requirements
We invite established companies in the outdoor, tactical, law enforcement, and industrial sectors to apply. Ideal partners possess:

  • A proven track record in distributing professional-grade gear.
  • A deep understanding of the technical requirements of serious outdoor enthusiasts and first responders.
  • The logistical capability to provide localized support and service.

The Partnership
Becoming an Acebeam distributor grants you access to a comprehensive range of cutting-edge lighting solutions. You will receive full technical documentation, marketing assets rooted in factual performance data, and priority access to our latest innovations. We value long-term relationships built on mutual growth and technical integrity.

If your organization is equipped to handle the demands of the professional lighting market, we invite you to join our network.

Application Process
Please submit your company profile and distribution plan to our partnership team. We review every application with a focus on technical competence and market reach.

Equip your market with the light they can trust. Partner with Acebeam.

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