Kam Wing Choy

GP Batteries International Ltd. is an investment holding company, which engages in development, manufactue, and marketing of batteries and battery-related products. The firm's products include general batteries, including lithium, alkaline, and carbon zinc batteries; rechargeable batteries; and specialty batteries, such as cordless phone, photo, watch, electronic device, car alarm, hearing aid, smoke detector, and lantern batteries. It also offers portable power banks; battery chargers; flashlights; solar products comprising solar portable power sources, solar panels, and solar chargers; and lighting products, as well as accessories, such as car adaptors. The company was founded in 1990 and is headquartered in Singapore.

VARTA Consumer Batteries GmbH & Co. KGaA manufactures dry and wet primary batteries. Its products include rechargeables, chargers, portable power, special batteries and lights. The company was founded by Adolf Müller in 1887 and is headquartered in Ellwangen, Germany.