Here is the updated English translation of your revised text: The Speclite 36W Emergency Light Battery with Double Head, made from durable steel with an elegant white finish, offers a robust and reliable solution for emergency situations. Compatible with voltages from 120V to 347V, this model is ideal for a wide range of commercial and industrial installations. It operates with a sealed lead-acid battery, providing 120 minutes of autonomy on a 10W load for continuous visibility during power outages. Equipped with a 6V 7Ah output, it powers both single and double remote heads, supporting a maximum load of 36W for 30 minutes. At 36W, this battery can support up to 8 additional double-head remote fixtures, in addition to its own 2x2W heads. This battery unit ensures efficient lighting coverage, even in the most demanding environments, offering a complete safety solution. Its compact design and sturdy construction allow for easy wall installation, delivering reliable performance and increased durability.