IDX ID-SL-F70 70Wh 7.2V/9600mAh Lithium ion Battery for Sony NP-F type The IDX System Technology SL-F70 Lithium-Ion Battery is a 72Wh lithium-ion battery that can power cameras and accessories compatible with Sony L-series (NP-F) batteries. Additionally, the 7.2V X-Tap and 5V USB outputs can be used to power accessories simultaneously....