all lipos are technically limited to a 1C charge, which means it takes at least an hour to safely charge a lipo. although there are chargers designed to charge lipos faster, there are no exceptions to this rule of safety. if you are fully charging a lipo in under an hour, you are running a significantly increased risk of fire.

the most affordable way to "fly all day" is to buy a few extra chargers to go with your extra packs. if i remember right, you'd need about 5 batteries and 4 chargers to fly continuously.