Original Replace 160mAh Battery For Pebble Time 2 SE II 2nd Smart Watch Polymer Rechargeable Accumulator AKKU|Replacement Batteries| - AliExpress
Pebble Time Battery Replacement - iFixit Repair Guide
A quick guide on getting a battery for your Pebble Time steel and replacing it (since there is surprisingly none on the web!). : r/pebble
3.7V Replacement Battery Li Po for Pebble Time 2 SE Smartwatch Smart Watch 160mAh Polymer Rechargeable Accumulator LSSP441522AE|Digital Batteries| - AliExpress
Replacement Battery SP301618AE For For Pebble Time Round | eBay