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Similar to a cell phone, Twisp batteries require a deep cycle charge before first use 8 hours or overnight. After which 1-3 hours will completely charge the battery (depending on model, please see accompanying instruction booklet).imilar to a cell phone, Twisp batteries require a deep cycle charge before first use 8 hours or overnight. After which 1-3 hours will completely charge the battery (depending on model, please see accompanying instruction booklet).
To get the number of hours required to charge a Roadster battery pack using a standard 15-amp 110-volt outlet, you multiply 15 by 110, which gives you 1,650. Next, divide 53,000 by 1,650 and you've got the number of hours needed to charge the battery pack: 32.12.t's an easy job, one that shouldn't take a pro more than a couple of hours to do. To figure out how long it would take to charge the Roadster's battery pack using the new outlet, multiply 70 by 220, which gives you 15,400. Divide 53,000 by 15,400 and you've got your number: 3.4 hours.