He's connected this to a fan heater he bought at a sale for thirty-nine kronor.

然后他接上以清仓价三十九克朗买风机。

Once the generator has charged up the fan heater, it runs for thirty minutes on the little battery Ove has hooked it up to, and his wife keeps it on her side of the bed.

用发电机启动之后，风机能在欧安装小电池上跑上半个小时，这样欧太太就能在躺下睡觉前让靠自己这边床和上几次。