https://www.homedepot.com/p/RIDGID-18-Volt-OCTANE-9-0-Ah-Lithium-Ion-Battery-and-Charger-Kit-AC801/304740781?irgwc=1&cm_mmc=afl-ir-10451-483420-&clickid=z3m0Bm1tDxyJWap08lQuCVrSUkiXcb3FUQ0WSs0