Improved battery pack: The Guide 12 features increased battery size and USB-C input/USB-A output ports for versatile charging

which means that it actually doesn't take up much more space than

Inputs: USB-C port 5V

which makes it easier to fine-tune it according to the weight of the balls

Strengevoks, 3 stk Jagt Improved battery pack: The GuideIf you want to take good care of your bowstring, it is highly recommended to purchase some string wax to keep the string fresh. EK Archery recommends waxing the bowstring after approximately every 5 shots you fire. The wax helps prolong the life of the string and prevents it from fraying. This package contains 3 pieces of string wax.