This is the equivalent battery for your Sony PEG-TJ27 PEG-T37 PDA

 

Model Outline Type Part # Price
PEG-TJ27 PEG-T37 Sony PEG-TJ27 PEG-T37 PDA Battery Li-ion
3.7v
750mAh		 PDA-151Li
 		 $41.38Cdn
($35US)