Add Battery 21700 5000Mah https://www.yycdrones.ca/product-page/21700-5000mah-battery-for-tx16s-and-tx16s-mkii
 
Thanks to Joshua Bardwell for his joint edition - New JB Edition TX16S Mark II built in ExpressLRS. Featuring carbon fiber faceplate, purple CNC parts, with V4.0 hall gimbal, this is definitely the high performance JB radio that everyone can afford it. 
Features
Built-in ExpressLRS Backpack
Improved internal circuity and optimized power supply.
New charge circuitry with integrated reverse-polarity protection.
Optimized charge IC now allows up to 2.2A internal USB-C charge current.
Rear mounted audio jack provided headphone output.
V4.0 Gimbal improved centering and temperature stability (Same circuitry as AG01).
Optional high/low rear grips included for improved ergonomics.
Improved S1/S2 knobs with clear centre-detents.
Improved LS/RS Sliders with smoother feel and better centre-detents.
Redesigned battery cover for improved battery access.
Retooled body shell with improved fit and finish.
Trainer socket changed to standard TRS 3.5mm socket.
Rear DIY Socket added for personalised mods.
Improved internal plastics for better longevity.
Specification
Item: TX16S Mark II Max (Joshua Bardwell Edition)
Size: 287x129x184mm
Weight: 750g (without battery)
Transmission frequency: 2.400GHz-2.480GHz
Transmitter module:  Internal ELRS (SX1280)
SD card: 256MB by default, 8GB maximum
Antenna gain: 2db (transmit power adjustable)
Working current: 400mA
Working voltage: 6.6-8.4v DC
Radio firmware: EdgeTX
Module Firmware: ExpressLRS (ELRS)
Channels: Up to 16 channels (depending on the receiver)
Display: 4.3-inch TFT full-colour touch display with a resolution of 480 * 272
Gimbal: V4.0 Hall sensor with Aluminium fascia
Module Bay: JR compatible module bay
Upgrade method: Supports USB-C online / SD card offline upgrade
 
Package Includes
1 * TX16S Mark II Max Radio Controller
1 * 18650 Tray
1 * USB-C Cable
1 * Screen Protector
1 * LED Gimbal Light Mod Set (White)
1 pair of flat grips
1 pair of raised grips  (installed on radio by default)
1 * TX16S Key Chain
No Battery - purchase separately