set database: LEGO 45501 rechargeable DC battery

set database: LEGO 45501 rechargeable DC battery

image courtesy of brickset

image courtesy of motayan

set number: 45501
set name: rechargeable DC battery
theme: technic, mindstorms
year: 2013
piece: 1
price: us$60
minifig: none

come with a rechargeable battery box.
designed for use with the EV3 intelligent brick.

inside has a built-in lithium ion batteries.
it has capacity of 2050 mAh.

rechargeabled with 8887 transformer 10V DC.

overall design is good.