In this video, I monitor the charge of an EGO Power Plus lawnmower with a Kill-a-watt power meter to determine how much is costs to charge the battery. The battery is a 7.5Ah model.
P3 International P4460 Kill A Watt EZ Electricity Usage Monitor (Amazon affiliate)
US: https://amzlink.to/az0f6rHgjb8dB
CA: https://amzlink.to/az01XuUTtZi11
EGO LM2102SP 21" Self Propelled Lawnmower with 7.5AH Battery & Rapid Charger (Amazon Affiliate)
US: https://amzlink.to/az08NB4D9Xvo9
EGO Playlist: https://www.youtube.com/playlist?list=PLErU2HjQZ_ZPuy5tnx9PzNeSWRifq3_pj