18650 Batteries
XTAR is a leading 18650 battery supplier and manufacturer, offering bulk 18650 batteries for various applications, including LED flashlights, search/rescue devices, and outdoor equipment. With a strong reputation among reputable 18650 battery vendors, our batteries provide unmatched quality and performance at competitive wholesale prices.
XTAR 3.6V 18650HP 3500mAh Lithium battery
A high-capacity 3500mAh 18650 battery delivering up to 15A continuous discharge with stable output, featuring a built-in
XTAR 3.6V 18650 4000mAh Raw Lithium battery cell
18650 4000mAh Li-ion battery with 10A continuous discharge and 500+ cycles—stable, durable, and ready for everyday hig
XTAR 3.6V 18650 3500mAh Raw Lithium battery cell
High-capacity 3.6V 18650 3500mAh Li-ion battery with 500+ charge cycles and up to 10A continuous output—reliable energ
XTAR 3.6V 18650 3500mAh USB-C Lithium battery
3.6V 18650 3500mAh Li-ion battery with USB-C direct charging, 500+ cycles, 2.9h fast charge, and up to 10A continuous ou
XTAR 3.6V 18650 4000mAh Lithium battery
Max Power! Model 18650 4000mAh Nominal Capacity 4000mAh Nominal Voltage 3.6V Continuous Discharge Rating(Max.) 10A Prote
XTAR 3.6V 18650 3500mAh Lithium battery
10A discharge, 800 cycles of recharge. High capacity for tacticial and medical use.
XTAR INR 3.6V 18650H 2600mAh 20A/30A Lithium battery
Unprotected 18650 battery with 30A pulse discharge
XTAR 3.7V 18650 2600mAh Lithium battery
Rechargeable 18600 2600mAh 3.7V battery, designed for flashlights, etc.
XTAR 3.6V 18650 3300mAh Lithium battery
Perfect for flashlights• 3.6V, max 10A continuous discharge current • 3300mAh large capacity • Can be recharged ov
XTAR NCR 18650-GA 3500mAh Lithium battery
Innovative structural design, impact resistance, effective battery protection
XTAR 3.6V 18650 3600mAh Lithium battery
Perfect for flashlights• 3.6V, max 10A continuous discharge current • 3600mAh large capacity • Can be recharged ov
XTAR 18650 Battery Technical Specs
Model |
Capacity |
Nominal Voltage |
Discharge Current |
Cycle Life |
Protection Circuit |
Positive Terminal |
Dimension (mm) |
Certification |
|
|---|---|---|---|---|---|---|---|---|---|
|
18650 4000mAh |
4000mAh |
3.6V |
10A |
600+ |
Protected |
Button Top |
18.4±0.3 x 69.2±0.5 |
MSDS |
|
|
18650 3600mAh |
3600mAh |
3.6V |
10A |
500+ |
Protected |
Button Top |
18.4±0.3×68.8±0.5 |
MSDS |
|
|
18650 3500mAh USB-C |
3500mAh |
3.6V |
10A |
500+ |
Protected |
Button Top |
18.5±0.3 x 70.3±0.5 |
MSDS |
|
|
18650 3500mAh |
3500mAh |
3.6V |
10A |
800+ |
Protected |
Button Top |
18.4±0.3 x 69±0.5 |
MSDS |
|
|
NCR 18650-GA 3500mAh |
3500mAh |
3.6V |
10A |
500+ |
Protected |
Button Top |
18.4±0.3×68.8±0.5 |
MSDS |
|
|
18650 3300mAh |
3300mAh |
3.6V |
10A |
500+ |
Protected |
Button Top |
18.4±0.3×68.8±0.5 |
MSDS |
|
|
3.7V 18650 2600mAh |
2600mAh |
3.7V |
10A |
500+ |
Protected |
Button Top |
18.4±0.2×68.5±0.5 |
MSDS |
|
|
3.6V 18650 4000mAh Raw |
4000mAh |
3.6V |
10A |
500+ |
Unprotected |
Flat Top |
18.35±0.15 x 65.05±0.15 |
MSDS |
|
|
3.6V 18650 3500mAh Raw |
3500mAh |
3.6V |
10A |
500+ |
Unprotected |
Flat Top |
18.35±0.15 x 65±0.2 |
MSDS |
|
|
INR 18650H 2600mAh |
2600mAh |
3.6V |
20A |
500+ |
Unprotected |
Flat Top |
18.5±0.2×65.2±0.3 |
MSDS |
Why Source XTAR 18650 Batteries?
- Consistent High-Load Performance: XTAR cells deliver stable discharge and low IR suited for tactical and underwater lighting, tools, and industrial sensing devices where voltage drop and heat behavior affect device performance and failure rates.
- Protected & Unprotected for Real Use Cases: Protected for lighting brands and consumer-facing devices; unprotected for OEM packs, tools, and modules.
- XTAR Sizing Fit for Tactical Gears: XTAR protected 18650 size maintains standard dimensions for tactical optics and high-end devices where battery compartment tolerances are strict. This reduces fitment risks without compromising capacity.
- Long-Cycle Supply & Vendor Stability: XTAR provides steady supply, technical documentation, batch consistency, and support for annual procurement or private label programs — lowering vendor risk for brands operating in tactical, industrial, or medical categories.
- Certification & Documentation: UN38.3, MSDS, transport docs and extended testing documentation for professional and regulated device categories.
Industries & Devices
- Tactical optics & outdoor devices
- Medical aesthetic & diagnostic instruments
- Industrial sensing & handheld modules
- Audio & wireless equipment
- Professional lighting
Bulk Orders & Custom Services
We offer the options to design battery wraps in different color and style, custom your company logo and package. Contact our sales team for bulk pricing, lead times, and detailed technical datasheets.
Need a professional charger for your cells? Explore our Multi-slot Charger series.
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