Abridged English Manual
Keep battery out of the reach of children.
Charge battery within a range of 5°C - 40°C ; outside this range battery may leak/overheat and performance may deteriorate.
If your child is using handset, explain all instructions and supervise usage.
If there is abnormal odour or excessive heat, stop using battery and call SoftBank Customer Center, Customer Assistance.
Do not leave battery uncharged. Charge at least once every six months.