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-22.
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/1-5.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/2-4.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/3-4.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/5-2.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/4-8.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/6-3.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/Adapter1865.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/1-5_1445x.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/2-4_1445x.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/3-4_1445x.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/5-2_1445x.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/4-8_1445x.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/6-3_1445x.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/Adapter1865_1445x.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/Adapter1865_1800x.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/1-5_1800x.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/2-4_1800x.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/3-4_1800x.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/5-2_1800x.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/4-8_1800x.jpg?w=2560&h=2560&q=80)
![18650 Adapter [Battery-Free]](https://img-va.myshopline.com/image/store/1733278541943/6-3_1800x.jpg?w=2560&h=2560&q=80)