Pebble P121112 Uhrenakku: 401S, Stahl, E-Paper - 3,7 V 130mAh PEB112SH 402020

Pebble P121112 Battery: Watch 2, 401S, Steel, E-Paper - 3.7V 130mAh PEB112SH 402020. - Pebble Steel. Built-in protection circuit (PCM) prevents over charging/discharging.

eBay