Players can take part in two kinds, with battery, and without battery. Most of the players are with batteries, apart from the headrest players. The batteries of players are all rechargeable. There are also many kinds of rechargeable batteries, like Lithium-ion(Li-ion), Nickel Cadmium(Ni-Cd), Nickel-Metal Hydride(Ni-MH), and Lead-Acid.
Lithium-ion batteries are one of the most popular types of rechargeable batteries. Lithium-ion batteries have a high energy density, little or no memory effect and low self-discharge, so it is more safety and more resistant to overcharge. Besides, Lithium-ion batteries offer the best lightweight nature. So they also use in aerospace and military applications. It almost uses Li-ion batteries on the player now, AutoJoy also.
The most common player Lithium-ion batteries capacity is around from 1400mAh to 5000mAh. They support the player running several hours after a once full charge. The batteries also need at least a few hours to fully charge. In general, the capacity is larger, the player can running more time and the charging time also need more.
AutoJoy players can run last for 5 to 7 hours after a once full charge.
