"Full recharge" refers to fully re-energizing or replenishing oneself physically, mentally, or emotionally after feeling drained or exhausted. It means taking time to relax, rest, and regain one's strength and vitality. Full definition
Otherwise, it'll be a whopping 16.5 hours of downtime for a dead - to - full recharge from a standard 120V / 12A socket. (digitaltrends.com)
It can work up to 8 hours after full recharge and if that is not enough, there is the power saving mode — referred to as PEEP — that extends the battery life up to 12 hours. (lovingmomsdiary.com)
On a single full charge, you'll get roughly four hours of battery life but the included portable charging case provides two full recharges on the go, for a total of 12 hours of usability per charge. (digitaltrends.com)