You can purchase 3rd party chargers that have a setting to charge the batteries to 60%. I have these for all my drones. They have the added benefit of being able to charge 4 batteries simultaneously. I even have one for my Air 2s that will...
DJI batteries automatically discharge over time to protect themselves from staying fully charged for long periods, which isn't good for the type of batteries DJI uses.
It's important to understand the difference between charging batteries for...
I think this is a good time to note that, while a drone wasn't responsible, the devastating Maui fire a while back was caused by a power line coming down.
Stay away from power lines.
...and just like that, the prices have all changed. I guess they had a handful of drones to sell at a good price to lure the entire internet into this surge pricing scheme. If you no longer have it at that price, how about an "out of stock"...
Its called "Dynamic pricing software" and the price is going up because now everyone here is going to the page and looking at it. If everyone ignores the page for a while, the price will drop back down some.