product name : lithium-ion rechargeable battery model : icr18650b2 norminal capacity : 2600mah diameter : 18.3¡à0.1 mm (max 18.4 mm) height : 64.9¡à0.2 mm (max 65.1 mm) weight(typical) : 46.5g nominal voltage : 3.7 v internal impedance : ¡ü 90 m (ptc) cycle performance : 80% of initial capacityat 300 cycles charge : 1150ma, 4.2v, 50ma end current (cc-cv) discharge : 52000ma, end voltage 3.0v applications: audio visual equipment, cellular phones, office automation, notebook pc's, pda's and handy terminals.