with batteries and a knife
A Polaris Sportsman 800 can be bought at a local car dealership near you. Whether you want to rent it or buy it, they will allow you to test drive this amazing car.
Drive the vehicle to your local auto parts store and they will test your charging system at no cost.
new alternator not charging the battery
The warning light comes on because the charging system is failing. Have your local auto parts store test the charging system to determine the cause. They will perform the test at no cost.
The Alternator.
The Alternator.
Recharge, replace, test charging system.
Drive the car to your local auto parts store and they will test the charging system to determine what the problem is, at no cost.
Your charging system is not working. It could be the Alternator or the regulator or both. It's not a good idea to test the charging system by removing a battery cable while engine is running, this can damage the charging system.
The Alternator.
I'd recommend you do a battery test and charging system test. The battery would be my first suspect.