18490 Rechargeable Lithium-Ion Batteries
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18490 lithium-ion power for demanding devices
An 18490 lithium-ion battery is a compact rechargeable cell designed for devices that require dependable 3.7V power in a shorter cylindrical format. This category includes the Nitecore IMR18490 1100mAh 3.7V, a practical choice for users who need a quality replacement or spare cell for compatible flashlights, electronic tools and other portable equipment.
The 18490 format is less common than standard 18650 batteries, so choosing the correct size is especially important. Before ordering, compare the required battery type from your device manual with the product specifications, including voltage, capacity, terminal design and overall dimensions.
Why choose a rechargeable 18490 cell?
Rechargeable lithium-ion technology offers a strong balance between energy density, low weight and repeated use. A 3.7V 18490 battery can help reduce the need for disposable cells while keeping compatible equipment ready for everyday tasks, travel, work or emergency lighting.
- Nominal voltage: 3.7V lithium-ion output for compatible devices.
- Capacity: 1100mAh, suitable for compact equipment where space is limited.
- Reusable design: recharge with an appropriate lithium-ion charger.
- Recognised brand: Nitecore is widely known among flashlight and battery users.
For best performance, always use a charger intended for lithium-ion batteries and avoid mixing cells of different ages, capacities or brands in multi-battery devices unless the device manufacturer specifically allows it.
How to select the right 18490 battery
When replacing a cell, do not rely only on visual similarity. The numbers in 18490 usually refer to the approximate cell dimensions, but tolerances, button-top or flat-top design, and protection circuitry can affect fit. Check whether your device requires a protected or unprotected cell, what maximum current it can use, and whether the battery compartment has enough clearance.
- Confirm that your device is designed for 18490 lithium-ion batteries.
- Check the required voltage and polarity before inserting the cell.
- Use only compatible chargers and follow the charging instructions.
- Store batteries away from metal objects, heat, moisture and direct sunlight.
Tip: If your device originally used another battery size, do not substitute an 18490 cell unless the manufacturer confirms compatibility.
Order 18490 batteries from BatteryMarket
BatteryMarket.bg makes it easy to find specialised rechargeable cells such as the Nitecore IMR18490 1100mAh 3.7V. Browse the category, review the product details and choose the battery that matches your device requirements. Keeping a spare 18490 lithium-ion battery on hand can be a smart way to avoid downtime when your equipment matters most.
