So a few power tool makes portable backpack battery to extend runtime and put the weight of the batteries on your back.
Ex 1: Makita PDC1200 https://www.makita.co.nz/products/model/PDC1200
Ex 2: Husqvarna BLi520X 36-Volt 14.4AH 520Wh
Ex 3: STIHL AR 1000 36-volt Backpack Battery
Ex 4: Hitachi...
Jackery Portable Power Station Explorer 240, 240Wh Backup Lithium Battery, 110V/200W Pure Sine Wave AC Outlet, Solar Generator (Solar Panel Optional) for Outdoors Camping Travel Hunting Emergency
Lithium power station: 240Wh battery capacity charges and re-charges devices.
Portable, compact and...
Not a typical voltage, but if you are curious why I would want a ~19.2V system: https://diysolarforum.com/threads/18v-portable-backpack-battery.29444/
Anyone know if its possible to buy a premade 6S battery?