Synergy Digital 2-Way Radio Batteries, Compatible with Motorola TLKR T92 H2O 2-Way Radio, (Ni-CD, 3.6V, 700 mAh), Replacement for Motorola 53615 Battery, combo-pack includes: 2 x SD2W-C1006 Batteries - Walmart.com
Motorola Solutions T92 H2O Setup Guide - YouTube
D Shape Earpiece Fbi Headset Ptt Mic For 1pin Motorola Talkabout Tlkr T92 H2o T42 T62 T82 Extreme Two Way Radio - Walkie Talkie Parts & Accessories - AliExpress