PLS103450 2000mah lipo battery is with 10.0*34*50mm(T*W*L) dimension, it is a rechargeable lithium polymer battery with 1800mah capacity, usually can be 2000mah. 3.7 v lipo battery 2000mah is a common produced model, usually with stock. Your requirements for batterie lipo 3.7 v ...
PLS103048 is with 10.0*30*48mm(T*W*L) dimension, it is a rechargeable lithium-polymer battery with 1500mah capacity, which is a common produced model, usually with stock, used for 3C digital devices. Your requirements of customizing size, PCB, wire, connectors are welcomed. ...