Replaceable doesn't mean one-time-use necessarily - it might just mean that the recharge time is longer than the downtime expected between deliveries so you'd n

Replaceable doesn't mean one-time-use necessarily - it might just mean that the recharge time is longer than the downtime expected between deliveries so you'd need to swap out a new battery after each run while you recharge the used one. There are a lot of assumptions here but it seems sane.