Button top 21700 batteries are Unprotected lithium-ion cells which Fitted with Raised Top Terminal also known as Nipple Top / Button Top specifically for devices that require a protruding positive terminal. They lack in built safety circuit board and are required to be used with a built-in Battery Management Systems BMS Devices.
Battery Characteristics
🔋Battery Type: Unprotected - Raised Top
🔋Built-In Protected Board: NO
🔋Nominal Voltage: 3.6V - 3.7V
At 2.5V = 0% (Fully Discharged)
At 3.6V = 50%
At 4.2V = 100% (Fully Charged)
🔋Diameter: ~22mm
🔋Length: ~70mm
Key Features & Benefits
🔋Extended Button Top Terminal–Ensures compatibility with flashlights, medical devices, and custom applications.
🔋 High Continuous Discharge Rates–Provides stable power for high-performance devices.
🔋 Reliable, Long-Lasting Energy–Designed for consistent performance over multiple cycles.
🔋 Premium Cells from Industry-Leading Manufacturers–Samsung SDI, Molicel, Sony, LG Chem, and more.
🔋 Perfect for Custom Battery Applications–Ideal for users assembling battery packs with button top configurations.
Why Choose Button Top Fitted 21700 Batteries from TinkerTech AU?
✅ Authentic Grade-A Cells Guaranteed–Sourced directly from verified manufacturers since 2017.
✅ Wide Range of Selections–Modified your battery choice to your needs.
✅ Trusted Australian Supplier for Universities, Engineers, Technicians, and Power Users–Providing Reliable Grade-A lithium-ion cells.
At TinkerTech AU, we offer a comprehensive selection of 21700 lithium-ion batteries, designed to provide reliable and efficient power for demanding applications.Our inventory includes trusted brands such as Samsung, Panasonic, LG Chem, Sony/Murata, Molicel, and our own TinkerTech AU line, ensuring compatibility with various High-Drain Devices like Power Tools, E-Bikes, and Industrial Equipment.
