Please note: If you do not intend to purchase a battery, please select the product with the [Battery-Free] suffix — this allows you to enjoy lower shipping costs for battery-free orders.
However, please be sure not to check out with both [Battery-Free] and non-[Battery-Free] products together; otherwise, we will be unable to fulfill your order.
Needs to be purchased along with a Main device.
Please note that your 18650 need to be FLAT TOP & have an output of 5A.
Pack of 4. This allows you to use 18650 batteries with BT-20.
