Sound Devices XL-B2 Battery Pack, 7.2 V Li-Ion, 5200 mAh

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The Sound Devices XL-B2 is a Sony-compatible L-Series replacement battery pack which may be used with the Sound Devices 633 mixer or 7-Series audio recorders, the Video Devices PIX 240i camera-mount video recorder, and the Video Devices PIX-E Series of 4K recording monitors. It may be used as the primary power source or as an onboard backup power supply.

Unlike Ni-Cad and NiMh batteries, the XL-B2 Lithium Ion battery pack does not have to be fully discharged before charging; however, it will naturally discharge itself over time. It is best to charge it the day before or same day you plan to use it.

The XL-B2 is a 7.4 V, 5200 mAh battery pack that may be recharged whenever convenient via the SD-Charge battery charger. Things to consider when using the XL-B2 with any device:

• Charging times will vary. Do not store if fully discharged; ideal charge capacity for storing a lithium ion battery is 40%.
• Store the battery pack in an area which is free of moisture and at temperatures no higher than 86° F| 30° C.
• Operating times are shorter in temps lower than room temperature. The XL-B2 may be used between 32° and 104° F | 0° and 40° C, but will work best between temperatures of 50° and 86° F | 10° and 30° C.
• Replace when performance declines below normal operation at room temperature.