Keweisi KWS-V20 USB Digital Voltage / Current Tester authentic / 3V-9V voltage range / 0-3A current range ↓ details & specifications
$6.80
Free shipping Free shipping to the United States when you order $20+

stock Ships in 7 business days
model
quantity
Add to Wishlist Wishlist  Report Errors  Price Match
Bulk Pricing
3 ~ 4
5 +
$6.36
$6.19
change display currency
Classification
Product Type Current & Voltage Testers
Aesthetic
Color Blue
Material Plastic
Secondary Material Metal
Connectivity
Connectors USB
Ports USB
Package
Package Type Plain
Package Contents 1*USB Voltage & Current Tester
Dimensions us | metric
Depth 13.4 mm
Height 72 mm
Width 22.8 mm
Product Weight 18 g
FastTech
SKU 3637400
DATE LISTED 10/19/2015
Details:
  • Voltage measuring range: 3-9V
  • Accuracy: 0.01V
  • Current measuring range: 0-3A
  • Accuracy: 0.01A
  • Deviation: +/-1%
  • Line loss: 0.1ohm
  • IN-input termial connects output port of charger
  • RTZ-reset key, long press 3-5 seconds to reset
  • OUT-output termial connects USB port of data cable
  • Battery capacity display window: 0-99999mAh
  • Working time display window:  0-99H, unit: minute
  • Supports memory function for working time & unloaded display after power off
Questions?

We'd love to help! Contact Customer Advocates.

This item is covered by FastTech's Standard Return Policy:
100% Satisfaction Guaranteed

Return for refund within: 45 days (details)
Return for replacement within: 6 months (details)

No restocking fee. Shipping charges may apply if returns are not results of FastTech's error.

Available models and parts:
$10.33
FREE SHIPPING ELIGIBLE
authentic / current/voltage/time/power/capacitance/temperature display / supports QC 3.0 / blue backlit
 
(1)
$7.22
FREE SHIPPING ELIGIBLE
authentic / current/voltage/time/power/capacitance/temperature display / supports QC 3.0 / blue backlit
$7.38
FREE SHIPPING ELIGIBLE
authentic / electricity/capacity/power/resistance/temperature monitor / timer / 9 groups of memory data
 
(2)
$6.46
FREE SHIPPING ELIGIBLE
authentic / electricity/capacity/power/resistance/temperature monitor / timer / 9 groups of memory data
$9.34
FREE SHIPPING ELIGIBLE
authentic / capacity/power/resistance monitor
$5.06
FREE SHIPPING ELIGIBLE
Ships Next Day
authentic / capacity/power/resistance monitor
$5.97 2-pack
FREE SHIPPING ELIGIBLE
authentic / 3V-9V voltage range / 0-3A current range / red + blue led display
 
(12)
$6.80
FREE SHIPPING ELIGIBLE
authentic / 3V-9V voltage range / 0-3A current range
 
(17)
Payments are securely processed by PayPal: All major credit cards accepted. 100% Satisfaction Guaranteed.

Shivavd2
Member

VERIFIED OWNER
  • JoinedJan 2017
  • Posts 0
  • Reviews 2
  • Kudos0
Overall
› Quality
› Value
PROS
Cheap Correct readings Easy to use
CONS
Non
This is a very handy tool to know Voltage from any device. Especially to check some adapters and chargers for lipo battery's i use. Also a super handy tool for computer usb ports. This was a good buy... (read full review)
Reviewed on 7/12/2019 Was this review helpful to you? Yes / No

LLEELLEE
Member

VERIFIED OWNER
  • JoinedDec 2014
  • Posts 5
  • Reviews 55
  • Kudos3
Overall
› Quality
› Value
베이핑 제품들 사용하다보면 이게 적정 볼트와 암페어로 충전이 잘 되나 궁금해서 삿어요. 퀵차지 충전기에 꽂고 팟디바이스 연결하면 5v 1a에서 끝부분엔 전류가 작아지는게 확인이 되서 좋아요. 다만 충전기에 직접 꽂아야 한다는게 큰 단점입니다. 콘센트는 저쪽 구석에 잇는데 확인하려면 저쪽 구석에서 확인해야하는게 여간 번거로운게 아니네요. usb 연장선을 구매... (read full review)
Reviewed on 6/6/2019 Was this review helpful to you? Yes / No

MalcolmZ
Member

VERIFIED OWNER
  • JoinedOct 2017
  • Posts 10
  • Reviews 52
  • Kudos3
Overall
› Quality
› Value
PROS
Good price Reliable readings Shows several parameters at the same time
There are newer models now with color displays and so, but not for this price. I bought this one as it is original Keweisi and it is really very good device for this price. The display is small and fu... (read full review)
Reviewed on 8/17/2018 Was this review helpful to you? Yes / No

tabsfx
Member

VERIFIED OWNER
  • JoinedFeb 2013
  • Posts 0
  • Reviews 151
  • Kudos0
Overall
› Quality
› Value
PROS
Shows Voltage Shows Ampere Shows Time Shows mah Consumed 1 Female USB
CONS
There Are Newer and Better USB Tester from Keweisi Now
This is a great USB Tester of his time, but there are better options which is also from Keweisi. SKU 9619930 offers more features and bang for your buck. Other brands from Juwei also have better featu... (read full review)
Reviewed on 12/12/2017 Was this review helpful to you? Yes / No

SAnela
Member

VERIFIED OWNER
  • JoinedAug 2016
  • Posts 0
  • Reviews 108
  • Kudos0
Overall
› Quality
› Value
PROS
Работает как надо
Прпкрасный девайс еще и с памятью, запоминает последнее измерение. Работает довольно точно.
Reviewed on 10/17/2017 Was this review helpful to you? Yes / No
Login to post and reply.

View all threads »


Title Last Posted By
can i hook a normal battery to this and it will show me the mah?
› started by Mr.frost on 10/20/2015 6:09:42 PM
Replies: 7
Views: 1050
Vapor
10 / 20 / 2015