Nub Cylinder Anode, Flat Cathode

FL143U Spec.: 14.6 x 48.7 mm,750 mAh

FL160U Spec.: 35.6*φ16.80 mm,700 mAh

FL197U Spec.: 69.50×φ18.6 mm,3400 mAh

FL197B Spec.: 69.50×φ18.6 mm,3400 mAh

Nub Cylinder Anode, Flat Cathode (replace 3 x AAA battery rack)

FL1843B Spec.: Φ22.5 x 64.25 mm,750 mAh

Both Sides Centered Anode with Outer Cathode

FL187U Spec.: 68.00×∮18.6 mm,3400 mAh