20V MAX Cordless Lithium-Ion 22 in. Hedge Trimmer - DCHT820P1. 20V MAX 5.0 Ah Lithium-Ion Battery. 20V MAX Lithium-Ion Battery Charger. Powerful high-output motor for cuts up to 3/4 in. thick. 22 in. laser cut, hooked-tooth blade design for long reach. High capacity 5.0 Ah li-ion battery for longer runtimes without sacrificing power. Compact and lightweight design for longer use to minimize fatigue. Part of DeWalt's 20V MAX Lithium-Ion system