I just saw one buyer reply it dosen't fit 21700 battery,but you claim it fit 21700 battery,what is the truth？

It can charge 21700 batteries. The battery slot is 73mm long, and 21700 is 70mm long. 21700 batteries can be installed. You can check the video confirmation. If a buyer has written a wrong review, I hope you can help correct it and give the buyer the correct guidance. thank you!

is it including the battery?

No,it not including the battery.

Can this be plugged into a wall. Socket

It is USB charger, not DC wall charger. Unable to charge directly from the 110V power socket. It just can charge from 5V USB charging port.

Swanlake 18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,18500,18350,16650 Rechargeable Battery (not Including Battery

Swanlake 18650 Battery Charger,Single-Slot Intelligent Battery Charger for 3.7V Li-ion 18650,26650,18500,18350,16650 Rechargeable Battery (not Including Battery

Product ID: 543657864

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Details

Brand
Swanlake
Colour
charger
Item weight
56 Grams
Output voltage
4.2 Volts
Product dimensions
3.5D x 13.5W x

⚡Intelligent charging

🌍USB powered

🔋Single-slot design

Description

🔌 Power Up Your Life with Smart Charging!

SAFETY FIRST - Constructed with fire-resistant materials for worry-free use.
SMART CHARGING TECH - Automatically selects optimal current for efficient charging.
LED STATUS INDICATOR - Color-changing LED shows charging progress at a glance.
CHARGE MULTIPLE SPECS - Simultaneously charges various 3.7V Li-ion batteries.
TRAVEL FRIENDLY DESIGN - USB interface allows charging on-the-go, anywhere, anytime.

The 18650 Battery Charger is a versatile, single-slot intelligent charger designed for various 3.7V Li-ion batteries. It features a USB interface for convenient charging, smart technology for optimal current selection, and safety measures to prevent overheating and overcharging. Perfect for travelers and tech enthusiasts alike!

Specifications

ASIN	B089SY8PBG
Best Sellers Rank	#96,107 in Electronics ( See Top 100 in Electronics ) #373 in Household Battery Chargers
Brand	Swanlake
Color	charger
Current Rating	2 Amps
Customer Reviews	4.5 4.5 out of 5 stars (4)
Input Voltage	240 Volts
Item Dimensions D x W x H	3.5D x 13.5W x 3.5H centimeters
Item Weight	56 Grams
Manufacturer	Swanlake
Mfr Part Number	1228-1929
Model Number	1228-1929
Output Voltage	4.2 Volts

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