Is it possible to measure signals greater than 10V with NI 9201?

[Japper]

I have a battery charger that I want to measure/monitor the voltage output and current) when charging a 12v battery.

I can measure the current across a 1 ohm resistor but I only have a NI 9201 in my cRio rack

and the spec sheet says that this module is only capable of +/- 10V inputs and my bettery charge could go as high as 15V...

Has anyone been successful with using voltage dividers on the inputs to this module or is there a better way to measure

this without spending the cash for the NI 9229 +/- 60V Input Module?

Any insights or a link to external circuits used with the cRio for certain signal conditioning/ level shifting are appreciated

thanks

[MarkCG]

resistor divider, with megaohm range resistors? 

[crossrulz]

What I have typically done here is use a voltage divider (usually in the 1MOhm or 10MOhm range) and an op-amp set to be a voltage follower.  You could probably just get away with a 500kOhm-500kOhm divider (divides the voltage by 2).  The op-amp is to give the DAQ board a low source impedance (helps the MUX in the DAQ).