DoCoMo is addressing this issue in part by increasing the capacity of its lithium-ion batteries, the most commonly used battery in handsets today.
NTT DoCoMo ran into similar problems and recently announced the delay of its service on a slightly bigger island: Japan.
ASIA: NTT DoCoMo, Inc. announced today the joint development of a prototype micro fuel cell for 3G FOMA® handsets.
Looking internationally, NTT DoCoMo of Japan and China Mobile of China have also expressed interest in launching Android phones.
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