This mesh battery system does what the Powerwall can’t—and costs less to expand battery Pila mesh home battery Portable Power Station Smart Home Technology This mesh battery system does what the Powerwall can’t—and costs less to expand Bertel King July 11, 2026 Finally, a home backup battery that isn't an eyesore. Read More Read more about This mesh battery system does what the Powerwall can’t—and costs less to expand