KUNLUN 12V 50Ah LiFePO4 Lithium Battery, Built-in BMS, Deep Cycles and 10 Year Lifespan, 640Wh Support in Series/Parallel, Perfect for RV, Camping, Trailer, Trolling Motor, Home Solar Off-Grid System 18650 you can press the button

you can press the button to select the battery to be charged

Convenient for external photography camera auxiliary equipment to get better lighting effects

4G Smart Control Mode】You can use control knobs and function buttons for direct adjustment lighting

a6500For Sony Alpha NEX-3

make your work more effective

KUNLUN 12V 50Ah LiFePO4 Lithium Battery, Built-in BMS, Deep Cycles and 10 Year Lifespan, 640Wh Support in Series/Parallel, Perfect for RV, Camping, Trailer, Trolling Motor, Home Solar Off-Grid System 18650 you can press the buttonGrade A CellsThis Lithium iron phosphate battery are manufactured of Grade A cells with higher energy density, provide longer lasting time & more stable performance & greater power. Built in BMS ProtectionThis Lithium LiFePO4 battery features built in BMS protection, which monitors and regulates the cells for optimal performance and safety. Long Cycle LifeKUNLUN 12V 50Ah LiFePO4 battery provide at least 4000 charge and discharge cycles, ensuring that