Add more power to your LEGO power functions! Give even more power and movement to your LEGO creations with an extra battery box to supply power to your LEGO power functions models!
Powers 2 xl-motors or 4 m-motors at the same time
Control switch on the box
Same size as #8878 power functions rechargeable battery box
Requires 6 AAA (1, 5V) batteries, not included,
