1、Containing an external battery terminal that is easy to access, no need to open the battery pack to connect the tug motor wire and charger wire to the battery terminal. 2、This functional battery box can protect your batteries on a boat, a boat without a battery compartment, which can accommodate power batteries, including handle, easy to carry around. 3、Button switch with power switch, practical convenience, voltage meter display screen, real‑time voltage detection, can meet your needs well. 4、Double integration into circuit breakers, with amplifiers and 60 amps circuit breakers, protect motor and other accessories from electrical damage. 5、Provide a USB charger and a 12V accessory port to facilitate connecting various DC accessories, which is very convenient for your use.