Is the battery replaceable? What specific type of rechargeable battery does it use? I want to know if it uses 18650 or CR123A etc

ASIN	B0C9Q83YX6
Additional Features	Adjustable Light Modes, High Power, Long Range, Rechargeable, Waterproof
Batteries are Included	Yes
Battery Description	Lithium-Ion
Battery Type	Lithium Ion
Best Sellers Rank	#7,768 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #122 in Handheld Flashlights
Brand Name	OLIGHT
Color	Midnight Blue
Finish Types	Blue
Included Components	Holster, Holster Fixing Bracket x 1, Seeker 4 Pro (battery included) x 1, Stainless Steel Screw x 2, USB-C Charging Cable x 1
Item Dimensions D x W x H	1.1"D x 1.1"W x 5.2"H
Item Dimensions L x W x H	1.1"L x 1.1"W x 5.2"H
Item Type Name	Flashlight
Light Path Distance	260 Meters
Light Source Special Features	Adjustable Light Modes, Laser Microperforation, Color Temperature Options
Light Source Type	LED
Manufacturer	OLIGHT
Manufacturer Warranty Description	5-year warranty.
Material	Aluminum
Material Type	Aluminum
Model Number	O-SEEKER4PRO#USFBA
Mounting Type	Handheld
Number of Batteries	1 Lithium Ion batteries required. (included)
Number of Light Sources	4
Power Source	Battery Powered
Recommended Uses For Product	Outdoor activities, emergencies
Shape	Cylindrical
Special Feature	Adjustable Light Modes, High Power, Long Range, Rechargeable, Waterproof
Style Name	Cool White (5700K~7000K)
Unit Count	1.0 Count
Voltage	3.6 Volts
Water Resistance Level	Waterproof
White Brightness	4600 Lumens

OLIGHT Seeker 4 Pro Rechargeable Flashlights, 4600 Lumens High Powerful Bright Light with USB C Holster, Waterproof IPX8 for Emergencies, Camping, Searching (Midnight Blue Cool White)