3-3 Niobium-Lithium Coin Type Batteries (NBL series)
Niobium-Lithium Rechargeable Batteries (NBL series) FeaturesApplicationsGeneral Specifi cations
The NBL series eliminates the need for a voltage boosting circuit since they can be charged at a low voltage. They help to simplify charging circuits.
Chapter 3 Memory backup power supplies for mobile phones using ICs which reduce the voltage to lower levels and which are driven at 2.5V or so.
Niobium Lithium Coin Type Batteries (NBL series) Model No. Electrical characteristics (20C) Dimensions(mm) Weight( Nominal voltage(V) *Nominal capacity(mAh) Continuous
industrial drain(mA) Diameter Height NBL621 2 4 0.01 6.8 2.1 0.25 - - g ) JIS IEC
Charging
Consult Panasonic for charging conditions.*Nominal capacity shown above is based on standard drain and cut off voltage down to 1.0V at 20C.
Chapter 3- 72