Free Shipping! Core SWX 98Wh Helix Max Dual-Voltage 4-Battery Kit (Gold Mount) Dual-Voltage 14 and 28V, 98Wh Lithium-Ion Gold Mount Battery, 4-Bay Gold Mount Charger, Fast 4A Charge Current, 20A Draw at 16.8V, 10A Draw at 33.6V, D-Tap and USB Output...