Batteries are an essential part of aircraft operation and periodic testing is a must to ensure proper and safe performance of the aircraft. JFM Engineering manufactures equipment and software to facilitate the tasks and to increase the accuracy of the tests. Mainship, helicopter and emergency batteries can all be tested with our selection of Charger-Analyzers independent of the battery chemistry. It also offers a variety of accessories to further enhance the testing tasks. For more information visit www.jfmeng.com.