Park Tool HR-14 Hex Tool MFPN=2702068 the XP4's lithium-ion battery is

the XP4's lithium-ion battery is certified to UL 2271

Smart-Draining Technology - A dual-battery system coupled with a battery isolator will drain 2 batteries at the same time allowing you to stay at higher voltage longer & reach up to 170 miles

Ambidextrous design allows the same part to be used as either a right or left lever

Fits 16oz cartridges

Forged alloy seat clamp

Park Tool HR-14 Hex Tool MFPN=2702068 the XP4's lithium-ion battery isPark Tool Hex wrenches made from industrial tool steel hardened and tempered for shop use. Available in Y L Shape and folding versions Ball End No Set or Individual Individual Style L Handle Tip Size 14mm