High-Performance replacement battery for Fitbit FB503, Grade A cells
The replacement battery for Fitbit FB503 from Batteryboss.net will be your best choice. We offer a high-quality battery at a more reasonable price. Our Fitbit FB503 batteries can be charged/discharged for at least 600 cycles. Being made of ABS plastic case and the original IC protection chip, it could give you the new experience of excellent durability.
With first-class quality assurance, the battery for Fitbit FB503 provides protections of voltage, short circuit, charging time, ESD, and so on. Each Fitbit FB503 battery has passed a series of safety certifications, such as CE, UL, ROHS, ISO9001/9002. It will be rigorously tested by our technicians before being shipped to your hands. We will try our best to select a high-quality Fitbit Ionic Smartwatch battery for you.
In addition, we provide 30-Day Money Back Guarantee and a One-Year Warranty for you. If you have any dissatisfaction after receiving the battery for Fitbit FB503, you can click the link to find more details about our Returns and Warranty service. Please rest assured to purchase from us!
Compatible Part Numbers
FB503
Compatible Model Numbers
Fitbit Ionic Smartwatch
![Multiple Security Protection](/static/picture/SafetyFirst.png)
Warning About The Fitbit FB503 Batteries
If your capacity drops faster than you think, it means you should treat your Smart Watch Battery in time. Do not leave your Fitbit battery FB503 dormant for long periods. We recommend using the battery at least once every two to three weeks. It's a good idea to store the laptop part in a dry and cold place if it is not used. Clean the battery's metal contacts with rubbing alcohol on a damp cloth. Clean contacts increase energy efficiency. Turn off the wireless devices. This will save the Fitbit FB503 battery replacement power. Batteries degrade more quickly when they’re hot.
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