All Astral Hoops with replaceable batteries use this Li-Ion 10440 rechargeable battery. We can't guarantee this is the correct battery for non-Astral Hoops that we don't sell. Please double check suitability before trying this battery in a non-Astral Hoop.
These are genuine TrustFire brand li-ion batteries. Top quality for a long life. Battery has built in overload and short circuit protection. For safety, we recommend only using Li-Ion batteries with built-in protection.