65mAh RECHARGEABLE Watch BATTERY Compatible for Fitbit Charge 5 FB421 Activity Tracker FB421

Buy new Internal Battery Rechargeable For FB421 Fitbit Charge 5 FB421 Activity Tracker 65mAh 3.87V at the best online prices at Top-battery.co. Free Shipping if Ordered Online!

Fitbit FB421 Battery Replacement Details

This is a replacement compatible with a Fitbit Watch Battery
Volts: 3.87V
Capacity: 65mAh
Policy: uses the highest quality battery cells, brand new, one year warranty.

Professional grade A cell batteries custom manufactured for high performance and longer life to exceed OEM specifications.

Every Fitbit Charge 5 FB421 Activity Tracker replacement Watch battery is thoroughly tested for safety and certified in our ISO 9001 factories and have received the RoHS certification to show that it's free of lead, mercury, cadmium, PBBs, and PBDE.

The Exact Match System guarantees every Fitbit Charge 5 FB421 Activity Tracker Professional replacement Watch battery to be 100% compatible and optimized for your OEM system.

Exceptional CAT APP-12F-F5757I-CGX-111 Battery Replacement Technology

Replaces battery part numbers:

FB421

Compatible Model Numbers :

Fitbit Charge 5 FB421 Activity Tracker

OEM Compatible
Integrated Power Management Circuits - protect against over-voltage and under-voltage conditions and maximizes battery life between charges, minimizes charging times, and improves overall battery life.
The Fitbit FB421 Battery Replacement provides 300-500 discharge/charge cycles.
Your new Fitbit FB421 Battery Replacement comes in a discharged condition and must be charged before use.
The Fitbit FB421 Battery Replacement prefers a partial rather than a full discharge. Frequent full discharges should be avoided when possible.
Keep the Fitbit FB421 Battery Replacement cool and store only in a cool, dry location.
The Fitbit FB421 Battery Replacement is Quality Tested and RoHS & CE Certified.

Shop With Confidence

Brand new, never used, not refurbished, 100% OEM compatible with Fitbit Charge 5 FB421 Activity Tracker battery.
All the replacement Fitbit Charge 5 FB421 Activity Tracker batteries are Full 1 Year Warranty, money back guaranteed within 30 days from the date of purchased.
Made with Grade-A battery cells(Panasonic), guaranteed to meet or exceed OEM specifications.
High quality and 100% safety for use, all our replacement replacement Fitbit Charge 5 FB421 Activity Tracker batteries have passed international certification( CE, UL, ROHS, ISO9001/9002 ect. ), before shipment we will tested carefully to ensure the battery's quality and working perfectly.
Our warranty(for this replacement Fitbit Charge 5 FB421 Activity Tracker battery) does not extended to any products that are physically damaged or that are not under normal operating conditions as a result of misuse or improper installation on the buyer/user's part.
If you find any quality problems (except Man-made damage by abuse or wrong operation) on the replacement Fitbit Charge 5 FB421 Activity Tracker battery within 30 days after you receive the goods, you can return them in original condition with the original package and ask for a change or refund.
Best after sales service for this replacement Fitbit Charge 5 FB421 Activity Tracker battery, if you have any questions or feedbacks about our Fitbit Charge 5 FB421 Activity Tracker battery please contact us directly, our customer service will reply you within 24 hours.

Some tips for brand new replacement Fitbit FB421 battery

Please read the instructions carefully before using the brand new replacement Fitbit FB421 battery.
Don't let your Fitbit FB421 Watch or battery come in contact with liquid. Liquid can get into the Watch's and battery's circuits, leading to corrosion.
Don't allow the replacement Fitbit FB421 battery to touch metal objects. If metal objects, such as jewelry, stay in prolonged contact with the battery contact points, the Fitbit FB421 battery could become very hot.
Don't disassemble, crush, puncture, shred, or otherwise attempt to change the form of the replacement Fitbit FB421 battery.
Do avoid dropping the Fitbit FB421 battery or Watch. Dropping these items, especially on a hard surface, can potentially cause damage.
If the replacement Fitbit FB421 battery can not work fine, please check twice to confirm that the battery is defective or not, and contact our customer service representative ASAP, let us know the Detailed Problem, we will do our best to serve you.