The Wasabi Power BLS5 battery replaces the Olympus BLS-5 or BLS-50 digital camera battery. It is compatible with many Olympus Evolt and E-Series SLR digital cameras. It meets or exceeds OEM standards.
Compatible with the following Olympus models: 

OM-D E-M5 III

OM-D E-M10

OM-D E-M10 Mark II

OM-D E-M10 Mark III

OM-D E-M10 Mark IIIs

OM-D E-M10 Mark IV

PEN E-PL2

PEN E-PL5

PEN E-PL6

PEN E-PL7

PEN E-PM2

Stylus 1