The Sony AC Adapter / Twin Charger and NP-F970 Info-Lithium Battery Kit from B&H includes an L-series battery pack and a power adapter that turns into a dual battery charger a the flip of a switch.
The battery pack features a 7.2V output and 6300mAh capacity. The Adapter / Twin Charger features an LCD display that indicates battery life, charging time, total charging time, total number of charging cycles, and last year and month used.