KLARUS K2 Battery Charger

Output Current 0.5A/1A, Compatible with LiFePO4 / 3.7V/3.85V Li-ion / Ni-MH / Ni-Cd, USB port output 5V/1A, Input Power Micro USB DC 5V/2A, Output Voltage 4.35V/4.2V/3.65V/1.48V ±1%, Size 115mm×63.5mm×29mm (Length/Width/ Height).

Aliexpress

There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price: Open

Image	Product (link)	Price	Coupons
	NITECORE NU11 Chip-on Cap Light IR Sensor Lamp 150 Lumens Headlamp USB-C Rechargeable Headlight Built-in Battery Hiking Fishing	$11.00	–
	Klarus E5 COB Flashlights Magnetic Dual Light Torch 8 Lighting Modes USB C Rechargeable EDC Flashlight Strobe for Emergency Use	$13.22	–
	Klarus HM3 Headlamp Portable Mini USB Rechargeable Head Flashlight LED Head Light for Fishing Camping Torch Headlights	$13.26	–
	Klarus HM3 Motion Sensor Headlamp 670Lumens Mini USB C Rechargeable Head Flashlight LED Head Light for Fishing Camping	$13.92	–
	Klarus E5 COB Flashlights Magnetic Dual Light Torch 8 Lighting Modes USB C Rechargeable EDC Flashlight Strobe for Emergency Use	$14.63	–
	Klarus E5 COB Flashlights Magnetic Dual Light Torch 8 Lighting Modes USB C Rechargeable EDC Flashlight Strobe for Emergency Use	$15.53	–
	Klarus High-Output Micro Flood Lamp CL5 650Lumens USB-C Rechargeable Protable Lantern	$15.74	–
	Klarus E5 COB Flashlights Magnetic Dual Light 600Lumens Torch 8 Lighting Modes USB C Recharge	$15.99	–
	Klarus HC3 USB Rechargeable COB Headlight 100Lumens Visor Clip Head Light Motion Sensor Headlamp 27Hour Runtime Built-in Battery	$17.68	–
	Klarus KTW-3/KDF-3 Signal / Traffic Wand,Fits for Head 41mm of Flashlight.High-elastic Silicone, Flexible/Stretchable/Foldable	$19.50	–
	NITECORE TIKI TIKI LE USB-Rechargeable Keychain Light Triple Lihgt Sources Mini LED Flashlight Built-in Battery	$20.12	–
	Klarus TRS1 Remote Tail Switch, Suitable with XT11S / XT11GT / XT12GT / XT12S / XT2CR, Multi-outputs,CNC Precision-machined Cell	$21.35	–
	Klarus 16340 Battery for Flashlight, 700mAh, Continous Discharge, Multiple Protection, Fits for XT1A / XT1C	$24.91	–
	NITECORE NU21 Outdoor Headlamp Ultra Lightweight Dual Beam White Red Light 360 Lumens USB-C Rechargeable Portable Headlight	$25.42	–
	Klarus HM1 Smart-Sensing High-Output Headlamp 440LM Output USB Charging Waterproof Headlight for Hiking ,	$25.83	–
	Klarus 18650 Battery for Flashlight, Available in 2600mAh / 3100mAh / 3600mAh, 7A Continous Discharge, Multiple Protection	$27.39	–
	Klarus K2A Intelligent Charger for Flashlight Batteries, Fits for 18650 / 21700, Protection Circuit, Power Bank, Battery Holder	$27.82	–
	KLARUS WL1 LED 550 lumen Micro USB Rechargeable Work Light 180 Degress Rotate Foldable 7 Light Mode COB Flashlight with battery	$30.09	–
	Klarus 21GT-50 21700 Battery for Flashlight, 5000mAh, 3.6V Continues Discharge, Built-in Short Circuit Protection	$31.00	–
	Klarus FM2 Magnetic Flashlight Mount, Fits for Torch with A Diameter of 23-27.5mm, Aluminum Alloy	$31.66	–
	Klarus HM3 Super Lightweight Multifunction Headlamp, 670 Lumens White-light with Red Signal light, USB Rechargeable, for Camping	$31.73	–
	Original Klarus HC3 USB Rechargeable COB Headlight 100Lumens Visor Clip Flashlight Motion Sensor Headlamp Built-in Battery	$33.08	–
	Klarus HM5 800Lumens Lightweight High Output Triple-Light Headlamp	$33.21	–
	Klarus HM1 Rechargeable Spot/Flood Lights / Headlamps with Gesture Sensor, 440 Lumens 100m Beam Distance, for Camping, Hiking	$39.36	–
	Original Klarus CL2 PRO VERTE 750Lumens Camping Lamp Light Rechargeable Flashlight & PowerbankBuilt-in 14000mAh Battery	$41.22	–
	Klarus XT1C PRO Tactical Helmet Lamp 1000Lumens Micro-USB Rechargeable EDC Flashlight Include Battery	$41.82	–
	KLARUS 1600 Lumens EDC Pocket Flashlight E2	$45.23	–
	NITECORE NU43 1400Lumens Rechargeable Headlamp Beam color White+Red Light Built-in 3,400mAh Li-ion Battery	$47.93	–
	Klarus WL3 Portable COB Flashlight Dual-color Camping Light 1500 Lumens 13500mAh Rechargeable Battery Magnetic LED Flashlights	$47.99	–
	Klarus WL3 1500Lumens Rechargeable Camping Lantern 1500Lumens 4 Color Temperatures With Magnetic Built-in13500mAh battery	$49.14	–
	Klarus XT2CR PRO LED Tactical Flashlight 2100Lumens USB-C Rechargeable XHP35 HD light 6 Lighting Modes Torch With 18650 Battery	$60.85	–
	Klarus CL2 PRO 750Lumens Camping Lamp Lanterns Light All-Night illumination Rechargeable Flashlight Built-in 14000mAh Battery	$63.67	–
	Klarus X1 Ultra Slim Tactical Flashlight FlatTac 4200Lumens Rechargebale Bulit-In Battery	$63.96	–
	Klarus K10 Portable Exquisite EDC Flashlight, 1200 Lumens,Rechargeable 16340 Battery,Titanium Alloy,Window Breaker for Emergency	$65.25	–
	Klarus XT1C Pro Tactical Flashlight / Helmet Lamp, White/Red Dual-Lights, Orange-Peel Reflector, 1000 Lumens, 16340/18350/CR123A	$65.72	–
	Klarus XT11GT Pro V2.0 Rechargeable Tactical Flashlight 3300Lumens Self-defense Trcoh Light With 3100mAh Battery	$66.42	–
	Klarus XT12GT PRO 1600Lumens RechargeableTactical flashlight Hunter Troch Lantern Include 21700 5000mAh Battery	$67.65	–
	klarus K5 Portable Charger, Ultra-Light Mini Power Bank, IPX8 Waterproof Suitable for Phones Flashlight Headlamps etc	$71.14	–
	Klarus GL4 3300 Lumens USB C Rechargeable Tactical Flashlight Compatible with Various Types of Rifles Rail	$76.88	–
	Klarus GL4 3300 Lumens 370 Meters USB Type C Rechargeable Tactical Flashlight Rail Light Torch Kit	$77.00	–
	Original Klarus X1 Ultra Slim EDC Tactical LED Flashlight FlatTac 4200 Lumens Rechargebale Emergency Lantern Bulit-In Battery	$77.45	–
	Klarus XT21X Pro Tactical LED Flashlight 4400Lumens Dual Tail Switch Micro-USB Rechargeable Troch With 21700 5000mAh Battery	$77.49	–
	KLARUS XT21X Pro Tactical Flashlight 4400Lumens Micro-USB Rechargeabl Troch Lantern With 21700 5000mAh Battery	$77.49	–
	KLARUS K5 Carbon Fiber Lightweight Waterproof Powerbank, 10000mAh Capacity, IP68 Waterproof, 22.5W Fast Charging, Type-C/Type-A	$81.08	–
	Klarus WL3 Portable COB Dual-color Camping Light, 1500 Lumens, Built-in 13500mAh Rechargeable Battery, Cool/Neutral White/Red	$82.97	–
	Klarus XT21X Pro Tactical Flashlight Rechargeable LED Flashlight with 5000mAh Battery For Self Defense Hiking Camping Torch	$83.16	–
	Klarus GL4 3300 Lumens USB C Rechargeable Tactical Flashlight	$95.95	–
	Klarus GL6 Tactical Flashlight 1600Lumens USB-C Rechargeable With 3100mAh Battery	$109.35	–
	Klarus GL6 Tactical Flashlight 1600Lumens USB-C Rechargeable With Battery	$113.16	–

Click here to search by yourself. Here are coupons that you can use.

Updated: 02-08-2025

Banggood

Warehouse in China.
Link: KLARUS K2 Battery Charger
$18.65 with coupon: FIN9777
$19.85 with coupon: BGAlerabatI
$19.99 with coupon: BG0b49b5
$20.30 with coupon: BGtorch2

Additional Banggood coupons:
1. First page
2. Second page

Price history and price alert

Check out price history chart (for all/most countries) for KLARUS K2 Battery Charger. The lowest price was: $18.65.
Price records source(s): Banggood
Click on image to enlarge.
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).
Price Alert