R602       *Other batteries for cameras or computers only. COTS USB battery packs with a capacity of 100Wh or less (20000mAh at 5V) and 5V, 2.5 Amp max output per port, or batteries integral to and part of a COTS computing device or self-contained camera (e.g. laptop batteries, GoPro style camera, etc.) may be used to power COTS computing devices and any peripheral COTS input or output devices connected to the COTS computing device provided they are:

R601       *Battery limit – everyone has the same power. The only legal source of electrical energy for the Robot during the competition, the Robot battery, must be 1 and only 1 non-spillable sealed lead acid (SLA) battery with the following specifications:

R103       *Robot weight limit. The Robot weight must not exceed 125 lbs. (~56 kg). When determining weight, the basic Robot structure and all elements of all additional Mechanisms that might be used in a single configuration of the Robot shall be weighed together (see I103).

R606       *Secure the battery. The Robot battery must be secured such that it will not dislodge during vigorous Robot interaction including if the Robot is turned over or placed in any arbitrary orientation.