TickTalk 4 has the largest battery capacity in the world for a children’s smartwatch with a 1,000 mAh battery versus a 680 mAh battery in past generations. Based on over 9,000 TickTalk 4's located all over the world, average battery life under normal usage is 60 hours and 100 hours under standby time.
Individual battery life will vary based on network signal, feature usage, loaded applications, cellular network, Wi-Fi connection, and a multitude of additional factors.