The INR18650-26J is a high-performance, industrial-grade rechargeable lithium-ion battery renowned for its stability and long cycle life. Often identified by its distinct pink heat-shrink wrap, this 18650 cell is a versatile power source used in everything from high-end flashlights to custom electric vehicle battery packs.
This particular set comes as a twin-pack, providing reliable 3.7V power for devices requiring high-capacity energy storage.
Authentic Samsung Core: Built with premium chemical stability to ensure consistent voltage delivery and safety throughout its lifespan.
High Energy Density: The 26J series offers a balanced capacity (typically 2600mAh), making it ideal for devices that require long runtimes without excessive weight.
Stable 3.7V Nominal Output: Maintains a steady discharge curve, ensuring your electronics perform at peak efficiency until the battery requires a recharge.
Rechargeable & Eco-Friendly: Designed for hundreds of charge/discharge cycles, significantly reducing waste compared to single-use alkaline batteries.
Industrial Standard Size: Features the standard 18mm x 65mm (18650) form factor, compatible with a wide range of smart chargers and battery sleds.
Model: INR18650-26J.
Chemistry: Lithium-Ion (Li-ion).
Nominal Voltage: 3.7V.
Full Charge Voltage: 4.2V.
Standard Capacity: 2600mAh.
Color: Pink.
Quantity: 2 Pieces (Twin Pack).
High-Power Lighting: Perfect for tactical LED flashlights and headlamps that require sustained high-current draw.
Portable Power Banks: Used as the primary cells for building or repairing DIY power banks and portable chargers.
Vaping Devices: Compatible with many regulated box mods that utilize standard 18650 cells.
Cordless Tools: Often used in the refurbishment of battery packs for drills, vacuum cleaners, and other household appliances.
Is this battery "protected"? The Samsung INR18650-26J is typically an unprotected flat-top cell. This means it does not have a built-in PCB circuit for overcharge protection. It is highly recommended to use these only in devices with built-in protection or with a high-quality smart charger.
Why is the color pink? In the world of 18650 batteries, manufacturers use specific wrap colors to help technicians quickly identify the model and chemistry. Pink is the signature color for the Samsung 26J series.
How should I charge these? To maximize the lifespan of your pink Samsung cells, use a dedicated Li-ion smart charger that stops charging automatically at 4.2V. Avoid letting the voltage drop below 2.5V, as deep discharging can permanently damage the battery chemistry.
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