Lithium-ion (Li-ion) batteries are rechargeable cells widely used in modern cameras, camcorders, and portable photography equipment. They are lighter and more energy-dense than NiMH or NiCd batteries, and they can be charged quickly, providing longer usage times and more consistent power output.
Understanding lithium-ion batteries is important for photographers who rely on portable equipment in the field. Their lightweight design, high capacity, and rapid recharge capabilities make them ideal for extended shoots, travel photography, and professional applications where reliability and performance are critical.