Senpinkboo for Fitbit Charge 5 Battery Upgraded [120mAh] LSS271617 Battery for Fitness Smartwatch FB421 Replacement with Repair Tool Kit

Features

• Compatible Model:This Replacement Battery model is FB421, FB421BKBK, FB421SRBU, FB421GLWT. please carefully examine your device model and old battery if it fits before purchasing.
• HIGH QUALITY GRADE A PREMIUM BATTERY:Each battery is tested to strict quality control standards and includes a built-in IC chip to prevent overcharging, overheating, and other defects.You can choose it with confidence.
• Easy To Install:The installation process is not complicated,most people can replace it by themselves. And YouTube also has many installation tutorials videos to reference.
• Quality Assurance:Before shipment, every item was thoroughly tested and packaged. Brand new and high quality. Perfect for FB421, FB421BKBK, FB421SRBU, FB421GLWT battery.
• Good After-sales Service:We are very focused on the customer experience.Please contact us if you have any questions, whether pre-sales or after-sales. We will try our best to solve it for you.