The Switronix XP-L130Si is a Sony V-Mount, and the XP-L130Ai is a 3-stud mount (Anton Bauer) Lithium Ion battery offering an LED readout, information storage a power gauge and a 2 pin output connector. They run at 14.4 VDC with a 130Wh capacity. Both have InfoStore Microprocessor and Intellicom LCD with OnScreen Fuel Gauge
Note: These batteries will not charge on Anton Bauer Equipment.

Features
• Lithium-Ion (Li-Ion)
  Li-Ion batteries can deliver 40% more capacity than comparably sized NiCd batteries and are one of the lightest rechargeable batteries available today.
• Power Gauge
  A 4 Stage LED readout offers the user a quick reference for remaining battery power.
• 14.4Volts
  The 14.4V design complies with equipment manufacturers specifications, eliminating all 12V battery cutoff problems.
• Intellicom
  The batteries will now include a backlit LCD on the front of the battery. This feature will display runtime in hours and minutes, percent fully charged, and a capacity grid.
• NO memory effect
• Temperature, current, and voltage protection
• DuraCase provides a shock absorbing non-slip shell to protect the battery pack
• Incorporated 12vdc 2-pin power connector
• V-Mount ( XP-L130Si)
  Works with Sony V-Mount Brick type batteries
• 3-Stud Mount (XP-L130Ai)
  Works with Anton Bauer Gold Mount

This Batter Model Features the InfoStore Microprocessor
The Microprocessor stores the Battery's Name, Serial Number, Voltage, Temperature, Current, Chemistry Charge Cycles and Date of Manufacturing. The Microprocessor adjusts to insure the optimal charging sequence. Extreme accuracy of the Power Gauge LEDs is another feature of this model.