LG MJ1 18650 3500mAh 10A Battery - Protected Button Top

Key Features 3500mAh High Capacity: Built on the original LG Chem MJ1 18650 cell, delivering 3500mAh nominal capacity and 3.6V nominal voltage for extended runtime in compatible button top devices. 10A Maximum Continuous Discharge: Supports up to 10A continuous discharge for reliable, controlled current delivery in compatible single-cell and multi-cell device applications. PCB Protection Circuit: Third-party integrated protection circuit board provides overcharge, over-discharge, over-current, and short circuit protection for safe operation in compatible devices without an external BMS. Button Top Terminal: Positive button top configuration ensures broad compatibility with devices designed for button top 18650 cells — note that this cell is physically longer than a standard flat top unprotected 18650 battery. Original LG MJ1 Cell Base: Built on the authentic LG Chem MJ1 flat top cell with button top and PCB added by a third-party manufacturer, combining genuine LG cell quality with protected button top convenience. Note: This is a button top protected 18650 battery which is longer than a standard flat top unprotected 18650 battery. Overview This LG MJ1 18650 Protected Button Top battery pairs the original LG Chem MJ1 flat top 18650 cell with a third-party added button top terminal and PCB protection circuit, creating a protected button top cell suited for compatible devices requiring both button top format and cell-level safety protection. With a nominal capacity of 3500mAh, a nominal voltage of 3.6V, and a maximum continuous discharge of 10A, this cell delivers strong runtime and reliable performance in single-cell and multi-cell device configurations. The integrated PCB protects against overcharge, over-discharge, over-current, and short circuit conditions without the need for an external Battery Management System. It is important to note that this protected button top cell is physically longer than a standard flat top unprotected 18650 battery due to its added button top terminal and protection circuit — always verify dimensional compatibility with your device before purchase. Do not remove the protective wrap, as doing so may compromise the protection circuit. Applications / Uses High-capacity flashlights and portable lighting systems designed for protected button top 18650 cells Consumer electronics and personal devices requiring button top 18650 format with built-in cell-level protection Portable power banks and single-cell devices benefiting from PCB overcharge and over-discharge protection Medical and industrial handheld devices requiring stable, protected lithium-ion power with extended runtime Replacement cells for compatible button top 18650 devices where 3500mAh capacity and protection are both required Specifications Brand: LG Chem Model: MJ1 Battery Type: 18650 Lithium-Ion Nominal Capacity: 3500mAh Nominal Voltage: 3.6V Maximum Voltage: 4.2V Max Continuous Discharge: 10A Protected: Yes (PCB) — overcharge, over-discharge, over-current, short circuit Battery Top: Button Top Approx. Dimensions: 23.2mm x 69.3mm Approx. Weight: 48.8g This is a button top protected 18650 battery and is longer than a standard flat top unprotected 18650 battery. Please verify device compatibility before purchase.