Name: Samsung 25R INR 18650 2500mAh 3.7V Unprotected High-Drain 20A Lithium Ion (Li-ion) Flat Top Battery - Bulk
Brand: Samsung
SKU: SAMSUNG-INR18650-25R
Price: 4.95 USD
Availability: PreOrder

Specifications

Brand	Samsung
MPN	INR18650-25R
Color	Green
Size	18650
Chemistry	Li-ion
INR (LiNiMnCoO2)
Voltage	3.6V
Capacity	2,500mAh
Terminal	Flat Top
Protected	No
Shelf Life	3 Years

Charge & Discharge

Voltage
Rechargeable	Yes
Nominal	3.6V
Maximum	4.2V
Cutoff	2.5V
Discharge Rate
Max Continuous	20A
Charge
Rapid	4A
Standard	1.25A
Charging Time
Rapid	1 Hour
Standard	3 Hours
Charge Cycles	250+

Dimensions

Technical Data

Samsung 25R

20A High Drain, Flat Top 18650

One of the most well-known batteries on the 18650 market, the Samsung INR18650-25R has earned its reputation for a good reason. For a reliable and high-quality 18650 battery, you can't go wrong with Samsung.

The 25R hits that sweet spot with a 2,500mAh energy capacity and a 20A continuous high-discharge rating, making it an ideal choice for OEM battery packs in high-drain devices.

Li-ion INR Chemistry

Utilizing advanced LiNiMnCoO2 (INR) li-ion chemistry, the INR18650-25R's secret is a blend of manganese and nickel for extra energy while remaining stable and safe. These kinds of batteries keep a low internal resistance (≤m18Ω), while retaining high energy capacity, continuous discharge rates, and a low operating temperature.

Note that batteries are sold individually.

Rechargeable & Reusable

Invest in a rechargeable battery that will last for years to come– this battery can be recharged 250+ times.

High Discharge Rate

20A max continuous discharge rate for high-drain electronics, great for making battery packs for devices that require minimum discharge rates.

3 Year Shelf Life

Stock up and store spare batteries with confidence– lithium ion batteries have a 3+ year shelf life, ensuring you always have a fresh replacement when you need it.

Notable Features

» 2,500mAh capacity offers long-lasting runtimes for all your devices

» Flat top terminal is perfect for use in making OEM battery packs

Please note that these batteries have flat top terminals, and may not be compatible with some devices.

WARNING: UNPROTECTED LI-ION BATTERY

Unless equipped and 'protected' with a PCB (protection circuit module) and/or similar device, lithium ion (li-ion) rechargeable battery cells are not recommended by BatteryJunction.com or our parent and associated companies, or the respective manufacturers, as a stand-alone product. Misuse of lithium ion rechargeable battery cells can pose a serious risk of personal injury or property damage.