NATIONALINSTRUMENTS®The Software is the Instrument ®Installation Guide_____________________________DAQPad™ is a trademark of National Instruments Corporation. Product and company names are trademarks ortrade names of their respective companies.320814A-01 © Copyright 1994 National Instruments Corporation. All rights reserved. July 1994BP-1 Battery PackThis guide describes how to use the BP-1 battery pack with any of the DAQPad Series DAQunits. The BP-1 battery pack is a portable power supply for the DAQPad Series units.IntroductionThe BP-1 is a rechargeable battery pack that you can use to power any of the DAQPad SeriesDAQ units instead of the A/C power supply adapter that is in the DAQPad unit kit.The BP-1 battery pack contains a 12 V sealed lead-acid battery and a solid-state dual-stagecharger for recharging. You can use the Velcro strap that is in the kit to strap the battery packand a DAQPad unit together to facilitate carrying and stacking them.You cannot simultaneously charge the battery pack and power a DAQPad unit using the suppliedcharger. However, in a standby application, you can use the SCXI-1383 power supply and floatcharger to simultaneously charge the battery pack and power the DAQPad unit.What Your Kit Should ContainThere are two versions of the BP-1 battery pack kit. Each kit has a different wall-mount batterycharger: one charger is for 120 VAC; the other is for 230 VAC. In addition to the batterycharger, each version of the BP-1 kit contains the BP-1 battery pack, a Velcro strap, and the BP-1 Battery Pack Installation Guide. If your kit is missing any of the components or if youreceived the wrong version, contact National Instruments.Detailed specifications of the BP-1 battery pack are in the Specifications section of this guide.Recharging the BP-1 Battery PackWarning: Charge the BP-1 battery pack only with the enclosed battery charger. NationalInstruments is NOT liable for any damage or injuries resulting from charging theBP-1 battery pack with any other battery charger or from using the enclosedbattery charger in any other application.