This product would be ideal for applications requiring a small and compact lithium polymer battery, such as remote-controlled models, microcontrollers, or Bluetooth modules.
501340 3 Wire 300mAh 1/5PCS
3.7V 300mAh LiPo Polymer Rechargeable 3 Wire Battery: GPS MP3 Speaker - 303040
3.7V 300mAh 1.11Wh 3-Wires NTC Thermistor Li Battery JST 3Pin Connector 602030
3.7V 300mAh Fo U816 U830 F180 E55 FQ777 FQ17W H107 X11C FY530 RC Drone Parts 3.7v 702030(4pcs battery)
SanDisk Sansa Clip / Zip MP3 Player Rechargeable Battery - 3.7V 300mAh - 303038
2 x 14250 Rechargeable CR2 Batteries Li-ion 3.7V 300mAh 1/2AA Battery Button Top