016rar Link

Provides reliable, long-lasting power to devices like MP3/MP4 players and small GPS trackers.

Polymer construction makes them ideal for small portable electronics. 016rar

If you are looking for useful features regarding a 3.7V polymer battery, here are the most important ones: a part number

Allows for repeated use, offering a durable and cost-effective power solution. or a file extension)

If this is not for a 3.7V polymer battery, please clarify what "016rar" refers to (e.g., software, a part number, or a file extension), and I can provide more relevant features.

Designed to be safe, though they require correct wiring (preventing red/black wire shorts).