CTL1616F coin - type cobalt titanium rechargeable lithium batteries features & benefits ? excellent charging and discharging cycle characteristics. ? can keep higher voltage(2.3v) compared to mt series. ? long term reliability that many solar watches prove. part number CTL1616F charging voltage 2.5v 2.7v nominal voltage 2.3v nominal capacity *1 13.0mah continuous drain 0.10ma dimensions *2 diameter max. 16.0mm height max. 1.7mm weight *2 approx. 1.0g operating temperature charge - 20 c to +60 c discharge - 20 c to +60 c specifications applications ? watches ? iot /sensing devices 1.7mm 16.0mm *1 based on standard drain and cut - off voltage down to 2.0v at 20 . *2 without tabs. dimensions charging circuits charging/discharging cycle approx. 100times at 100% discharge depth to nominal capacity. charging system constant - voltage system operating temperature - 20 c to +60 c * please ask panasonic about constant - current charging system. the charging circuit is crucial in terms of ensuring that full ju stice will be done to the battery characteristics. please study it carefully as the wrong charging circuit can cause tr ouble. please visit our website : panasonic corporation https://industrial.panasonic.com/ww/products/batteries/secondary - batteries/coin_rechargeable_lithium as of april, 2019. the contents of this product information are subject to change wi thout notice. downloaded from: http:///
1. if a fixed - charging method is applied, please adhere to the specified charging voltage. guaranteed voltage is 2.5v to 2.7v at the temperature of - 20 c to 60 c. if the charging voltage exceeds the specifications, the internal resis tance of the battery will rise and may cause battery deterioration. also with a charge voltage around 4v, corrosion of the positive(+) terminal (case) may occur causing leakage. it is not possible for the battery to recover completely when the charg ing voltage is below the specification . 2. under no circumstances trickle charging should be used. ignoring this precaution will cause the battery voltage to rise to abo ut 5v, resulting in a deterioration of performance. please feel free to ask a panasonic sales person. handling guidelines battery characteristics discharging characteristics cycle life characteristics this data in this document is for descriptive purposes only and is no t intended to make or imply any guarantee or warranty. v continuous charging characteristics by high temperature(60 ) 0 20 40 60 80 100 120 0 100 200 300 400 500 capacity retention / % cycle number / cycle charging condition : cv(2.6v , 51, 24h , 20 c) discharging condition : cr(2.0k , 2.0v cut - off , 20 c) 0 20 40 60 80 100 120 0 20 40 60 80 100 capacity retention / % time / day charging condition : cv(2.7v , 6 0 c) discharging condition : cr(20k , 2.0v cut - off , 20 c) 1.0 1.5 2.0 2.5 3.0 0 2 4 6 8 10 12 14 16 voltage / v capacity / mah - 20 20 60 charging condition : cv(2.6v , 51, 24h) discharging condition : cr(20k , 2.0v cut - off , 20 c) downloaded from: http:///
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