### Question
How does the law define battery?


### Answer
Under *42 U.S.C. § 18741*, **battery** is defined as:

> a device that—


(i) consists of 1 or more electrochemical cells that are electrically connected

#### Citation:
  - *42 U.S.C. § 18741*
  - Heading: **CHAPTER 162-ENERGY INFRASTRUCTURE > SUBCHAPTER II-SUPPLY CHAINS FOR CLEAN ENERGY TECHNOLOGIES**

