The Lingua RAD Mount is an essential accessory for those using Lingua IR receivers, featuring a lithium-ion rechargeable battery pack that contains 6 batteries. Designed for safety and efficiency, these batteries include over-charge, over-discharge, over-current, and short-circuit protection, ensuring reliable performance. With an autonomy of approximately 20 hours, these spare batteries keep your receivers powered for extended use. Perfect for conferences and events, the Lingua RAD Mount ensures that you have the power you need when you need it.