Cylindrical Cells
18650 3000mAh 15A discharge Samsung INR18650-30Q Li-ion Rechargeable Battery Cell
Li-ionSamsungOEM / ODM
This Samsung 18650 cylindrical cell (INR18650-30Q) is a Li-ion rechargeable cell rated at 3.6V 3000mAh, supplied by Jetray Battery. We supply it as single cells for your production line or assemble it into finished packs with BMS, wiring and housing. Typical uses include custom battery pack assembly, flashlights and portable lighting, power tools and small appliances.
Specifications
Technical data
Standard model values. Every parameter below can be adjusted for your project.
Nominal Voltage3.6V
Capacity3000mAh
Battery ModelINR18650-30Q
ChemistryLi-ion
CellSamsung
Minimum Capacity2900mAh
Charge Cut-off Voltage4.20±0.05V
Discharge Cut-off Voltage2.5V
Charging MethodCC-CV
Standard Charge Current1500mA
Max Continuous Discharge Current15A
DimensionsDiameter 18.4mm × Length 65.0mm
Weight48.0g
Operating TemperatureCharge: 0 to +50°C Discharge: -20 to +75°C Storage: -30 to +60°C
Standard Charging Time180 minutes
Voltage window 2.5 – 4.2 V
2.5 V cut-off3.6 V nominal4.2 V full
Temperature window °C
Operating0 to 50 °C
02550
Need different specs?
Send your voltage, capacity, current and size limits. We build packs to your drawing.
Applications
Where it is used
Custom battery pack assembly
Flashlights and portable lighting
Power tools and small appliances
IoT, smart home and handheld devices
Customization & BMS
Built around your equipment
Voltage, capacity, size, BMS and communication can all be changed for OEM / ODM projects. Start from this model or from your own drawing.
FAQ & safety
Common questions
We offer Li-ion (NCM / NCA), LiFePO4 and LTO cells, chosen to match your project needs.
Yes. We provide structural design so the pack fits your housing, connector and mounting points.
Overcharge, over-discharge, overcurrent, short-circuit and temperature protection, SOC / SOH display and communication protocols such as CAN and RS485.
Yes. Charging rates from 0.5C to 2C are possible, depending on the cell specification.
Typically 12–36 months, depending on the project agreement.
Keep them at 50–60% state of charge in a dry, ventilated place between −10 °C and 35 °C.
Safe handling
Heat and damage
Never heat, disassemble or modify the battery, or dispose of it in a fire. Do not pierce, hit, step on or drop it.
If fluid leaks
Do not touch it with bare hands. Rinse eyes, mouth or skin with clean water, see a doctor if needed and contact Jetray after-sales.
Keep it dry
Do not get the battery wet.
Storage conditions
Do not use or store the battery in direct sunlight, high heat or humidity, a hot car, or near heat sources.
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All products You may also need
OEM & custom packs
Ready to power your next project?
Tell us your voltage, capacity, size and application. Our engineers reply within 24 hours with a design proposal and quotation.
- Emailwuwh@jetray.cn
- Mobile / WhatsApp+86 139 2464 5656
- FactorySonggang Town, Bao’an District, Shenzhen
