UGB NEW Original C11N1609 320mAh Battery for ASUS ZenWatch 3 (WI503Q) Smartwatch - Laptop Battery, Charger and AC Adapter | Ultra Green Battery
Amazon.com: Synergy Digital Smartwatch Battery, Compatible with LG Watch Urbane 3G Smartwatch, (Li-Pol, 3.85V, 280mAh) Ultra High Capacity, Replacement for LG BL-S2 Battery : Cell Phones & Accessories