3.7v +

180

expired LiitoKala Lii-35A 18650 3.7V 3500mAh 10A Rechargeable Battery $0.72 @ AliExpress (New Users Only)

Ok similar to that charger deal, you'll need a battery to use it! Found a battery of the same brand for $.072. Got myself one so let's see how it goes. Edit: you need to be a new user to …