130 mAh battery for 301BL SmartWatch Pebble smart watch
Pebble: E-Paper Watch for iPhone and Android by Pebble Technology — Kickstarter
3.7V Replacement Battery Li Po for Pebble Time 2 SE Smartwatch Smart Watch 160mAh Polymer Rechargeable Accumulator LSSP441522AE|Digital Batteries| - AliExpress