IDX SL-F50 - 7.2V 48Wh Rechargeable Lithium Ion Battery with 1 x X Tap + USB O/P

The SL-F50 is designed according to the form factor of the Sony L series (NP-F) and has a capacity of 48 watt hours. It has 2 DC ports. One is the new X-Tap connector, which provides 7.4 volt output voltage via a C-XTAP2 cable (not included). This cable has open ends, allowing the user to configure it to match their accessories. In addition to the DC output, this X-Tap connector allows controlled battery charging with the compact and inexpensive IDX LC-XT1 charger (not included). The second DC output is a USB port that delivers 5 volts at up to 2.3 amps.