The Battery Pack will provide complete portability for your PR-640, PR-650, PR-705 or PR-880. It is a lead acid battery with charging circuitry in a rugged enclosure with a carrying handle. It has everything you need to instantly take your instrument into the field where an AC source is unavailable or impractical. In the case of the PR-650, it extends the battery life from 2 to 22 hours of continuous use!

The Battery Pack automatically charges when connected to the power supply, and has built-in status indicators (not shown in picture) that tell you when the battery is fully charged.

Standard equipment with the Battery Pack are the battery, power supply and inter-connecting cable for the appropriate instrument.

Battery Type Lead Acid Battery Voltage PR-705 / 715 - 24 VDC PR-640 / 650 - 13.5 VDC PR-880 - 12 VDC Continuous Use (approx.) PR-705/715 - 1.5 Hours PR-640 / 650 - 22 Hours PR-880 - 3.3 Hours Recharge (From Full Discharge) 5 Hours Shelf Life at Full Charge (Approx.) 3.5 Months Dimensions 7.8 in. W x 4.9 in. H x 3 in. D (19.8 cm x 12.4 cm x 7.6 cm) Battery Pack Weight 5.6 lbs. (2.55 kg) Power Supply Weight 1 lb. (0.45 kg) Operating Temperature 34° to 95° F (1° to 35° C)