...Fast Delivery Bose S1 Pro Battery PackPower-up and play your Bose S1 Pro system for up to 6 hours using the add-on rechargeable S1 battery pack. This lithium-ion battery installs easily into the dedicated compartment on your S1 Pro for secure and reliable use. Use the Quick Charge feature to recharge your S1 battery pack in a hurry.
$$You can get the good qualrity items from USA within 19 days$$
If there is something wrong with the product, you can return it within 3 days.
it is not possible to return it due to the customer's change of mind.
Don't worry and order as much as you want.