The PlusAcc E18 Battery Base is designed specifically for Echo Show 8 and Show 11, providing a convenient and portable solution for powering your smart speakers. Made by the brand PlusAcc, this battery dock allows you to recharge your device easily and on the go, ensuring that you can continue to enjoy the features of your smart speakers even when you're away from a power source. Ideal for those who use their smart speakers for entertainment, information, or controlling their smart home devices, this battery base offers added flexibility and convenience.