PS3D Family Universal Travel Charger Rayovac's new PS3D Universal Battery Charger. Charges today's high-capacity, longer-lasting Nickel Metal Hydride (NiMH) batteries. It charges combination of up to four AA,AAA,C, or D type batteries. Or up to TWO 9 Volt Batteries. It is ideal for taking along on family vacations. High-drain devices such as digital cameras in their jobs.