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Tonny 12V Cigarette Lighter Car Battery and Charging System tester

Tonny 12V Cigarette Lighter Car Battery and Charging System tester

Q: Is this a good thing to have in a camper running on a rechargeable 12V battery?

my car sat for 3 months, jumped it, started fine. several days later, the red light came on. had the battery checked. bad battery. only a year old but full replacement. So yes it works just great.

Q: Does this require a live outlet when are engine is off?

Yes, it can only measure live voltage. But, many 12v outlets in cars are live with the key/engine off. I use it to keep track of my RV battery condition when the engine’s not running.

Q: Does it show voltage when engine is cranking?

It shows the voltage as soon as you turn the key on but blanks out while the engine is cranking and comes back on as soon as the car starts. Not while it is cranking.

Q: Are the readings accurate?

The readings vary from my tester a little by a few 10ths but it could be because one reading is at the battery. The indicator lights work very well which makes it very easy to spy on when driving.

4.5/5

Product ID: 372401802

Secure Transaction

12 interest-free installments with tabby

Details

Brand
TN TONNY
Power Source
Corded battery
Style
12V
Color
Black
Item Weight
80 Grams

📊LCD display

📏Pocket-sized

🔌12V compatibility

Frequently Bought Together

12V Plug in Car Battery and Charging System Tester, Test Battery Condition & Alternator Charging (LCD Display Car Battery Monitor)

Innova 3721 Battery and Charging System Monitor

NOCO GENIUS1, 1A Smart Car Battery Charger, 6V and 12V Automotive Charger, Battery Maintainer, Trickle Charger, Float Charger and Desulfator for Motorcycle, ATV, Lithium and Deep Cycle Batteries

Description

🔋 Power Up Your Peace of Mind!

COMPACT PORTABLE - Pocket-sized design ensures you can take it anywhere.
GUARANTEED QUALITY - 1-year warranty for peace of mind.
CRYSTAL CLEAR READINGS - LCD display with bar graph for quick voltage assessment.
SWIVEL FOR CONVENIENCE - Pivoting head allows for easy reading without obstruction.
STAY AHEAD OF BATTERY ISSUES - Easily plugs into any DC 12V cigarette lighter for instant diagnostics.

The Tonny 12V Cigarette Lighter Car Battery and Charging System Tester is a compact, user-friendly device designed to provide instant diagnostics of your vehicle's battery and alternator health. With its clear LCD display and pivoting head, it ensures you can easily monitor your battery's status on the go, backed by a 1-year warranty for added assurance.

Have a Question? See What Others Asked

Is this a good thing to have in a camper running on a rechargeable 12V battery?

Does this require a live outlet when are engine is off?

Does it show voltage when engine is cranking?

Are the readings accurate?

Common Questions

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Khalid Z.

Great experience from order to delivery. Highly recommended!

1 week ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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AED 119

Duties & taxes incl.

UAEstore

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30 daysfor PRO membership users

15 dayswithout membership

Secure Transaction

12 interest-free installments with tabby

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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