Liter 3.7V 250mAh 602025 Lipo Battery Rechargeable Lithium Polymer ion Battery Pack with PH-2.0 Connector

This was an upgrade from the original battery. It works great and brought my NFL Helmet Copter back to life.

Very good product and good price.

If your Ring Video Doorbell Pro suddenly lost power, you tried to charge the internal battery by using your phone charger, it powers up then loses power again, or it refuses to charge, the internal battery could be the culprit.The original battery 602025 is 3.8v 300mAh, but since Ring or Amazon doesn't sell those, we are left with this alternative 3.7v 250mAh as of this date.The number is the size of the battery that fits.You have to desolder the pcb board along with the three tiny cables and connector from the old battery, remove the pcb and connector from the new battery, and transplant the pcb that came with the old battery to the new battery! Easy peasy lemon squeezy!Before touching anything though, you have to unplug the transformer connector from the unit's main board, followed by the battery connector. They are both located on the left side of the main board. Also use plastic pry tools so yoy don't short anything.Good luck!

It work perfect

After reading around, I replaced the battery in my AD410 with this. It was rebooting whenever the doorbell button was pressed. Seems to work well, but takes some soldering know how to make it happen. Hoping it lasts awhile.

Works as a replacement battery for the ring pro doorbell. The power connector and temperature sensor need to be swapped with the ones from the original, but the cell size is right and has worked well for months now.

Bought it as a replacement for my Bluetooth receiver and it works well.

Batteries died in bluetooth sleep masks, drop in replacement.