He wanted to recharge his batteries and come back feeling fresh and positive.
他想去放松休息一下，然后回来时精力充沛、积极向上。
《柯林斯英汉双解大词典》
2
Another problem is finding a place to recharge the batteries.
另一个问题是找地方给电池充电。
3
With sunlight reaching Spirit at a weak Angle, the rover hibernates and USES the scant solar power to rechargebatteries and heat itself to -40 degrees [Fahrenheit].