Kastar 3-Pack BLH-1 1750mAh 7.4V Lithium-Ion Batteries + LTD2 USB Dual Charger — Compatible with Olympus BLH-1, BLH-01, PS-BLH1; Works with Olympus BCH-1, HLD-9 Grip & OM-D E-M1 MARKIII

Replace-or-spare set: three Kastar BLH-1 lithium-ion batteries (7.4V, 1750mAh) bundled with the LTD2 USB dual charger. The charger is portable and designed for travel, yet powerful enough to charge two batteries at once. An interchangeable charging plate lets you swap to accommodate different battery types. Charger input and output specs: Charger Input: 5V 2-3A 15W; Output: 8.4V 800mA(x1) 800mA(x2). The USB-powered charger accepts both Micro-USB and Type-C connections and includes a Micro USB cable in the package. Intelligent LED indicators on the dual USB charger report charging progress and battery capacity so you can monitor status at a glance.