With this powerful and portable Li-Ion 40Ah/29.4V Battery Pack, you’ll never have to worry about being without power again. Perfect for your portable radio or other electrical device, this battery pack features protection switch loading and unloading, power on, short circuit protection function, long cycle life, and rechargeable battery. Made from top-quality materials, this lithium-ion battery pack is sure to keep your devices running smoothly. Size: 150 x 100 x 100 mm. Weight: 1.5 kg.