Specifications
Brand Name :
XTAR
Model Number :
18650 4000mAh Cell
Certification :
CE/RoHS/UN38.3/MSDS
Place of Origin :
China
MOQ :
500
Price :
$3.4/pcs
Payment Terms :
T/T
Supply Ability :
2000pcs/day
Delivery Time :
7-30 Days
Packaging Details :
Color box+battery box
Product :
18650 4000mAh Cell
Category :
18650 batteries
Rated Voltage :
3.6V
Capacity :
4000mAh 3500mAh
Description
18650 3.6V 4000mAh Flat-Top Li-ion Cell, 10A Continuous Discharge Raw Cell for Flashlights & Power Tools
XTAR 18650 4000mAh Flat-Top - Ultra-High Capacity Raw Li-ion Cell

4000mAh Ultra-High Capacity 18650 Flat-Top Lithium-ion Cell

  • 10A Continuous Discharge, Ideal for High-Drain Applications
  • 500+ Charge Cycles, Durable & Long-Lasting
  • Rugged Impact-Resistant Construction
  • -20°C~60°C Wide Operating Temperature Range
Technical Specifications
Model 18650 4000mAh RAW
Battery Type Lithium-ion (Flat-Top. Unprotected)
Rated Voltage 3.6V
Nominal Capacity 4000mAh
Max Continuous Discharge 10A
Cycle Life ≥500 Times
Charging Voltage 4.2±0.03V
Charging Current 2A
Operating Temperature -20°C ~ 60°C
Storage Temperature -20°C ~ 45°C
Certification CE / RoHS / UN38.3 / MSDS
Size Φ18.35±0.15mm × H65.05±0.15mm
Weight ≤50g
Ideal Applications
  • Flashlights & Portable Lighting: 4000mAh long runtime for high-lumen devices
  • Power Tools & Electric Scooters: Stable power for heavy-duty use
  • High-Capacity Power Banks: Versatile power for fast charging
  • RC Models & Custom Projects: Reliable performance for DIY builds
  • Consumer Electronics & Industrial Equipment: Versatile power for various applications
4000mAh Xtar 18650 Batteries 10A 18650 Li Ion Cell For Flashlights And Power Tools
About XTAR

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.

Global Layout: XTAR has established business and service relations with more than 150+ countries around the world.

4000mAh Xtar 18650 Batteries 10A 18650 Li Ion Cell For Flashlights And Power Tools
Company Timeline
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.
Manufacturing Capabilities

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.

4000mAh Xtar 18650 Batteries 10A 18650 Li Ion Cell For Flashlights And Power Tools
Partners
4000mAh Xtar 18650 Batteries 10A 18650 Li Ion Cell For Flashlights And Power Tools
Global Certifications
ISO-9001 Certification MSDS Certification UN38.3 Certification CE Certification RoHS Certification
4000mAh Xtar 18650 Batteries 10A 18650 Li Ion Cell For Flashlights And Power Tools
Frequently Asked Questions
Can I have a sample order for Battery/Charger?
Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
What about the lead time?
Sample needs 1-2 days, mass production time needs 3-7 working days.
How do you ship the goods and how long does it take to arrive?
DHL, UPS, FedEx or TNT and others shipping method is available. Arriving time depends on the way you choose. Airline and sea shipping also optional. Warehouse in Texas, shipment is free in US.
Is it OK to print my logo on the product?
Yes. We have our own R&D Department and Factory. Both OEM and ODM are acceptable.
What industries do you provide supporting equipment for?
We can provide professional supporting services for many industries, such as electric toothbrushes, thermal imagers, infrared devices, thermal imaging scope, flashlights, toy cars, smart locks, and so on.
Where do you ship from?
We can ship from Shenzhen, China, and we also have overseas warehouses in the U.S., so we can also ship directly from the U.S.
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4000mAh Xtar 18650 Batteries 10A 18650 Li Ion Cell For Flashlights And Power Tools

Ask Latest Price
Brand Name :
XTAR
Model Number :
18650 4000mAh Cell
Certification :
CE/RoHS/UN38.3/MSDS
Place of Origin :
China
MOQ :
500
Price :
$3.4/pcs
Contact Supplier
4000mAh Xtar 18650 Batteries 10A 18650 Li Ion Cell For Flashlights And Power Tools
4000mAh Xtar 18650 Batteries 10A 18650 Li Ion Cell For Flashlights And Power Tools
4000mAh Xtar 18650 Batteries 10A 18650 Li Ion Cell For Flashlights And Power Tools
4000mAh Xtar 18650 Batteries 10A 18650 Li Ion Cell For Flashlights And Power Tools

ShenZhen XTAR Electronics Co., Ltd

Verified Supplier
1 Years
guangdong, shenzhen
Since 2006
Business Type :
Manufacturer
Total Annual :
20000000$-30000000$
Employee Number :
100~150
Certification Level :
Verified Supplier
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