Weather alerts and information direct from National Weather Service. AM/FM also available. Multiple Sustainable Power Sources: Solar Panel - recharge internal lithium ion battery from direct sunlight; Hand Crank - recharge the radio during a power outage or anytime away from a power source. Perfect for a short charge to get a cell phone call made. Rechargeable 2600 mAH battery - replaceable, long life lithium ion battery. Lasts for up to 32 hours of radio operation.