18650 Rechargeable Lithium-ion Batteries [2-Pack]
Solaray 18650 Rechargeable Lithium-ion Batteries
When it comes to portable energy, the 18650 rechargeable lithium‑ion battery has become the go‑to solution for everything from high‑performance flashlights to electric vehicles. Its compact cylindrical shape—18 mm in diameter and 65 mm in length—packs a surprising amount of power, delivering consistent voltage, high energy density, and long cycle life. For the everyday consumer, understanding what makes the 18650 stand out can turn a vague curiosity into a confident purchasing decision.
Unmatched Energy Density and Capacity
The hallmark of the 18650 is its impressive energy density, offer 3,000 mAh per cell. This means you get more watt‑hours in a smaller, lighter package compared to older nickel‑cadmium or nickel‑metal hydride batteries. For devices that demand sustained power—such as power tools, household devices, or DIY electronics—this translates to fewer battery swaps and longer runtime. Moreover, modern 18650 cells maintain a nominal voltage of 3.6‑3.7 V, providing a stable output that keeps electronics running smoothly.Safety Features Built In
Safety concerns often surface when discussing lithium‑ion technology, but these reputable Solaray 18650 cells incorporate multiple safeguards. Integrated protection circuits guard against over‑charge, over‑discharge, short circuits, and excessive temperature. When paired with a quality charger, these cells can be used safely in a wide range of applications. NOTE: These batteries are NOT recommended for high-drain devices (i.e. Vaping Products). Features and Benefits:- Integrated PCB Protection
- Lithium Ion 18650 cylindrical rechargeable batteries
- Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V
- Higher energy density and lower weight than many other rechargeable 18650 lithium flashlight batteries
- Capacity: Nominal&: 3000mAh, Minimum: 2600 mAh
- Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V
- Nominal Voltage: Average 3.7V
- Cut-off Voltage: 2.5V
- Internal Impedance: less or equal to 180 milli-ohm (with PTC)
- Cycle Performance: 90% of initial capacity at 400 cycles
- Cycle life: > 500 cycles
- Charge: Current = 0.5C (~1500mA) Voltage = 4.2 V End Current = 0.01 mA
- Discharge: Current = 0.5C (~1500mA) End Voltage = 3.0V
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