ノーベル化学賞に「リチウムイオン電池」開発の吉野彰さん | NHKニュース
リチウムイオン二次電池 - Wikipedia

How many products that have lithium-ion rechargeable battery do you have?

How often and what for do you recharge butteries?

Do you have a battery charger for outdoor?

What do you think of the Nobel Prize?