Motorola EVX-S24 Portable Two-Way Radio - IP67 - UHF (403-470MHz). Lithium Ion Battery for APX Series Radios. The Motorola PMNN4579A is a lithium ion (3850mAh) battery for APX series two-way radio portables. Thank you for your interest and please ask any questions. You can find our other Two Way Radio items at the link below.Message us if you don't see what you need, and we will get it for you! Hytera, Icom, Ritron, Motorola, Kenwood and accessories for all manufacturers. Atlantic Radio Corp-com is a Hytera Diamond Dealer, Motorola NA Commercial Radio Reseller, Icom Land Mobile Radio Dealer and Ritron Dealer in Fort Lauderdale, FL. We have been in business since 1990. WE STAND BEHIND ALL OUR PRODUCTS AND SERVICES! Some items may take 7 to 10 days (due to lack of inventory on hand). We accept offers from buyers that are purchasing large quantities of a single item.