Canon battery grip BG-E1 for EOS 300D - Camera House
Amazon.com : Mcoplus as BG-E22 Multi-Battery Power Pack BG-EOS R Battery Grip with 2.4G Hz 100-Meter Wireless Remote Control for Canon EOS R Camera(Not for RP/R5/R6) Use LP-E6N/E6NH Battery(Battery not Include) :