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DC 12V 24V 36V 48V 60V 72V 84V Golf Cart Battery Meter with Alarm, Front Setting and Switch Key, Battery Capacity Voltage Indicator Battery Gauge Acid and Lithium ion Battery Indicator (Blue)

4.1 4.1 out of 5 stars 2,009 ratings
$8.99
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Purchase options and add-ons

Brand Frienda
Power Source Battery Powered
Style Voltage Tester
Color Blue
Item Weight 30 Grams

About this item

  • Efficient setting key: the multifunctional battery indicator has a new design of the front setting button, and have several functions: cycle voltmeter/battery percentage, turn on the backlight, black, sleep mode, battery type selection etc.
  • Practical designs: the battery capacity voltage indicators are designed with switched function button, you can press to check the battery capacity or real-time voltage and turn off, with alarm design, the battery meter display will flash when the battery capacity is low
  • Fit Different Battery: the battery gauge indicators are compatible with 12V/ 24V/ 36V/ 48V/ 60V/ 72V/ 84V acid battery, ternary lithium battery, polymer lithium ion battery, 3 -15 series lithium ion battery, storage battery, water battery and more, note: if your meter always shows, it means that you have the wrong battery code and need to double-check and the correct code
  • Fit different battery: the battery gauge indicators are compatible with 12V/ 24V/ 36V/ 48V/ 60V/ 72V/ 84V acid battery, ternary lithium battery, polymer lithium-ion battery, 3 -15 series lithium ion battery, storage battery, water battery and more
  • Where to use: the battery meters with alarms can be applied to different machines and places such as garden, home, office and more, can serve you for a long time, meeting your different needs and practical battery indicators will give you nice experience

Additional Details

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Product details

  • Product Dimensions ‏ : ‎ 5.71 x 4.53 x 0.63 inches; 1.06 ounces
  • Date First Available ‏ : ‎ May 24, 2021
  • Manufacturer ‏ : ‎ Frienda
  • ASIN ‏ : ‎ B093KTYG3G
  • Country of Origin ‏ : ‎ China
  • Customer Reviews:
    4.1 4.1 out of 5 stars 2,009 ratings

Product Description

01
2

3-1

3-2

3-3

2 in 1 Meter

Our monitor can not only test the battery capacity percentage, but also the voltage value. It is a good choice to detach your device status.

Two Buttons Control

The function button is for switching from capacity, voltage and turn off. Choose to display voltage, battery capacity percentage alone or in turn by pressing the function button. The setting button is for select battery specifications and so on.

ABS Protective Shell

Adopting high quality industrial grade ABS, it has excellent performance such as impact resistance and low temperature resistance.

4-1

4-2

4-3

PVC Waterproof Screen Protector

It can also be used normally on rainy days. Don't worry about not using it.

Clear and Bright LCD Display

Designed with high quality LCD, offers clear and bright display from every angle. Automatically turn into sleep mode in 10s for saving the power.

Alarm Design

The battery capacity voltage indicators are designed with alarm design, the battery meter display will flash when the battery capacity is lower than 20%.

5
6

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Customer reviews

4.1 out of 5 stars
4.1 out of 5
2,009 global ratings

Customers say

Customers like the value of the electric circuit testing device. However, some customers have reported issues with the programming and description. They say the settings button didn't work as expected and the description is misleading. Customers also disagree on performance, quality, appearance, ease of installation, and battery.

AI-generated from the text of customer reviews

11 customers mention11 positive0 negative

Customers appreciate the value of the electric circuit testing device. They say it's a good product for the price and an inexpensive way to monitor battery status.

"...Great value for the money. Superior ease of use. Vital to have to monitor your car battery." Read more

"...for a custom power station that I made and it works ok it nice and cheap but a little inaccurate it was off by about .2v but it still is perfect for..." Read more

"Only one, Ad shows 2, ad a little misleading. But good price. Works as advertised" Read more

"...They probably are not 100% accurate, but close enough for me. Great value and simple to install and use." Read more

80 customers mention39 positive41 negative

Customers are mixed about the performance of the electric circuit testing device. Some mention that it works well, performs the job needed to monitor voltage, and is easy to install. Others say that it doesn't work, only works for a few hours, and quit working after a couple of rains.

"This was obviously designed for led acid and works well for that. The accuracy for LIFEPO4 is poor and does not track the percentage of charge...." Read more

"...totally a piece of electronic junk" Read more

"It proforms the job needed to monitor my voltage" Read more

"bought 2 now since theyre cheap and both quit working after a couple of rains. screen fogs up after first rain...." Read more

53 customers mention22 positive31 negative

Customers are mixed about the ease of installation of the electric circuit testing device. Some mention it's simple to install and use, with clear and easy to read instructions. However, others say that the instructions SUCK and are hard to setup.

"...the programming setup Instructions Are TERRRRRRIBLE...." Read more

"...Great value for the money. Superior ease of use. Vital to have to monitor your car battery." Read more

"...It's hard to find any instructions for this product that work, so playing with it for an hour finally came up with most of the function and how to..." Read more

"easy install" Read more

19 customers mention10 positive9 negative

Customers are mixed about the quality of the electric circuit testing device. Some mention it's a good product, while others say it'll break easily.

"...Looks great and works as expected. Good quality. Wires are small in gauge but good in length. Definitely a good investment." Read more

"When I received the item, I could not believe how cheap it was put together. The settings feature did not work...." Read more

"good product but hard to setup" Read more

"...And now too late to send back. Very disappointed in the quality" Read more

17 customers mention10 positive7 negative

Customers are mixed about the appearance of the electric circuit testing device. Some mention that it looks great, has a nice display, and works well, while others say that the picture is misleading and does not accurately depict battery charge.

"I love the appearance and quality of the product and it appears to have good accuracy and perfect reading of my truck battery...." Read more

"Instructions are not great, and photo was misleading. I expected two units and I got one, so I'm ordering another one. Shame on me? Not sure...." Read more

"I used this for a custom power station that I made and it works ok it nice and cheap but a little inaccurate it was off by about .2v but it still is..." Read more

"Looks pretty standard and will likely work for my application. A little peeved that this is listed as a 2 pack and I only recieved a single meter...." Read more

13 customers mention7 positive6 negative

Customers are mixed about the battery. Some mention it shows voltage and is easy to read, while others say that the battery is not 100%.

"...of the product and it appears to have good accuracy and perfect reading of my truck battery. Great value for the money. Superior ease of use...." Read more

"...drains the battery due to is not timing out and shutting off as the directions said.totally a piece of electronic junk" Read more

"I used this to replace a battery display on an old golf cart. Shows % of full charge and actual voltage. Looks great and works as expected...." Read more

"As stated kills battery when left on you have to shut it off when you don’t use it for a long period of time" Read more

16 customers mention0 positive16 negative

Customers are dissatisfied with the programming of the electric circuit testing device. They mention that the settings button never did anything, the settings feature did not work, and the instructions are poor. They also say that it's hard to adjust any settings and that the display only showed voltage.

"...followed directions to wire.you cannot change the settings on the meter as directions tell you...." Read more

"...The settings button doesn’t work.It also is always showing 100% even though it should be less...." Read more

"got it for a golf cart and only one button was functional u can turn it off and on but cant change any of the setting its still a accurate volt..." Read more

"...The settings feature did not work. I wanted to set the timer to turn off as it states...." Read more

15 customers mention0 positive15 negative

Customers are dissatisfied with the description of the electric circuit testing device. They mention that the ad is misleading, deceptive, and false. Some say that the listing title is a lie.

"Only one, Ad shows 2, ad a little misleading. But good price. Works as advertised" Read more

"...Very misleading as a purchaser." Read more

"Caution the quantity is only one, Maybe it was just me but you really had to dig into the scription to find out the quantity even though the picture..." Read more

"Only one came and not two as shown on description. It’s doesn’t work like described. DO NOT BUY!" Read more

Cheap and easy to use
4 Stars
Cheap and easy to use
I used this for a custom power station that I made and it works ok it nice and cheap but a little inaccurate it was off by about .2v but it still is perfect for what I need.
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Top reviews from the United States

Skeeter Derszchovenzovs
5.0 out of 5 stars Works fine, but....
Reviewed in the United States on March 4, 2024
Color: GreenVerified Purchase
....the programming setup Instructions Are TERRRRRRIBLE. Hopefully, the manufacturer will spend $50-100 to get someone to properly write the instructions. A good technical writer would be able to bang out useable instructions with illustrations in an hour or two. One of the comments includes instructions that are better than the ones that come with the product. For instance, a 12-volt LIFEPO4 battery is "read" by this product as four (4) 3.2 batteries (4 x 3.2 - 12)....so you need to select 4 as the number of batteries that are connected. I have two 12-volt AGM batteries conne3ed in parallel, and I programed in that I had two batteries, but it didn't work....I had to enter ONE battery to make it work. Go Figure.
2 people found this helpful
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Qawqaz
5.0 out of 5 stars Neat little meter.
Reviewed in the United States on April 16, 2024
Color: WhiteVerified Purchase
I love the appearance and quality of the product and it appears to have good accuracy and perfect reading of my truck battery. Great value for the money. Superior ease of use. Vital to have to monitor your car battery.
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Carson's Muehlstedt
4.0 out of 5 stars Cheap and easy to use
Reviewed in the United States on April 21, 2024
Color: GreenVerified Purchase
I used this for a custom power station that I made and it works ok it nice and cheap but a little inaccurate it was off by about .2v but it still is perfect for what I need.
Customer image
Carson's Muehlstedt
4.0 out of 5 stars Cheap and easy to use
Reviewed in the United States on April 21, 2024
I used this for a custom power station that I made and it works ok it nice and cheap but a little inaccurate it was off by about .2v but it still is perfect for what I need.
Images in this review
Customer image Customer image
Customer imageCustomer image
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john wolf
5.0 out of 5 stars I use it to check lawn mower battery.
Reviewed in the United States on April 24, 2024
Color: GreenVerified Purchase
Lawn mowers use pulse charging batteries. This quickly tells status of charge so that I can tell how long the engine must run to replace the charge used to start.
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Mark V.
3.0 out of 5 stars Not accurate for LIion or LIFEPO4.
Reviewed in the United States on September 24, 2023
Color: GreenVerified Purchase
This was obviously designed for led acid and works well for that. The accuracy for LIFEPO4 is poor and does not track the percentage of charge. It's hard to find any instructions for this product that work, so playing with it for an hour finally came up with most of the function and how to program it. It's a confusing device but for led acid it works great.
2 people found this helpful
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perry s
1.0 out of 5 stars Electronic junk removed it from lithium golf cart.
Reviewed in the United States on April 7, 2024
Color: WhiteVerified Purchase
was looking forward to a solution to figuring out how much charge on my36 volt lithium golf cart battery.
followed directions to wire.

you cannot change the settings on the meter as directions tell you.

reads 100% all the time and the meter will not turn off as it says on directions.

drains the battery due to is not timing out and shutting off as the directions said.

totally a piece of electronic junk
2 people found this helpful
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Laura
5.0 out of 5 stars Works well
Reviewed in the United States on March 24, 2024
Color: GreenVerified Purchase
Our trailer has a solar panel that charges the battery. Both are mounted on the trailer. My husband mounted the monitor in the battery box so it's easily accessible to push the button to check the battery status.
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erin seraydian
5.0 out of 5 stars Read this first! It makes instal easy. Good product!
Reviewed in the United States on July 23, 2023
Color: GreenVerified Purchase
Echoing another review that made my instal crap-simple!
Hopefully this saves you the aggravation I experienced trying to figure it out.
DO NOT MAKE YOUR FINAL INSTALLATION/MOUNT UNTIL YOU KNOW IT IS WORKING.

1) Attach the provided (very short) wire harness to DC power supply (battery) using your own wires and connectors to bridge the space from your battery to the harness.
2) Press and hold the Setting button while plugging the harness into the back of the meter. This gets you into programming mode.
3) By pressing the Setting button, select your battery type. Mine is lead acid so I selected "P".
4) Select the number of batteries. In the case of Lead Acid they assume you have 12 volt batteries wired in series. In my golf cart I have six 8-volt batteries for a total of 48 volts. When I first programmed it I entered "6" batteries and as a result it read the voltage correctly but the capacity indicated 0%. I later realized they are assuming 12 volt batteries. So 48 volts divided by 12 volts resulted in 4. I entered 4 batteries and it worked. Enter your equivalent number of 12 volt batteries and then long-press the function key. (Note the lithium battery settings assume your batteries are 3.7 V or 3.2V. Your math will be a little different.)
5) Now set how you want the display to act using the s-1 through s-5 settings. The Settings button toggles through the display options and Function sets each one. The five bars on the display from left to right are each associated with the options S1 to S5. Whether a bar is on or off in the display, indicates that setting is on or off.
6) Unplug the meter from the harness to have it save the settings you input.
7) Plug the meter back in. It should be working. If not, repeat the steps starting at number 2.
8) Only after you have it working, mount it in its permanent location.
Good luck!
Customer image
erin seraydian
5.0 out of 5 stars Read this first! It makes instal easy. Good product!
Reviewed in the United States on July 23, 2023
Echoing another review that made my instal crap-simple!
Hopefully this saves you the aggravation I experienced trying to figure it out.
DO NOT MAKE YOUR FINAL INSTALLATION/MOUNT UNTIL YOU KNOW IT IS WORKING.

1) Attach the provided (very short) wire harness to DC power supply (battery) using your own wires and connectors to bridge the space from your battery to the harness.
2) Press and hold the Setting button while plugging the harness into the back of the meter. This gets you into programming mode.
3) By pressing the Setting button, select your battery type. Mine is lead acid so I selected "P".
4) Select the number of batteries. In the case of Lead Acid they assume you have 12 volt batteries wired in series. In my golf cart I have six 8-volt batteries for a total of 48 volts. When I first programmed it I entered "6" batteries and as a result it read the voltage correctly but the capacity indicated 0%. I later realized they are assuming 12 volt batteries. So 48 volts divided by 12 volts resulted in 4. I entered 4 batteries and it worked. Enter your equivalent number of 12 volt batteries and then long-press the function key. (Note the lithium battery settings assume your batteries are 3.7 V or 3.2V. Your math will be a little different.)
5) Now set how you want the display to act using the s-1 through s-5 settings. The Settings button toggles through the display options and Function sets each one. The five bars on the display from left to right are each associated with the options S1 to S5. Whether a bar is on or off in the display, indicates that setting is on or off.
6) Unplug the meter from the harness to have it save the settings you input.
7) Plug the meter back in. It should be working. If not, repeat the steps starting at number 2.
8) Only after you have it working, mount it in its permanent location.
Good luck!
Images in this review
Customer image Customer image Customer image
Customer imageCustomer imageCustomer image
52 people found this helpful
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Top reviews from other countries

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Don Benedict
5.0 out of 5 stars Mobility Scooter - Battery Voltage Meters
Reviewed in Canada on December 29, 2023
Color: BlueVerified Purchase
The dash voltage meter on my mobility scooter only showed a level and not a digital voltage reading. The wave-level of the voltage was unreliable and I ended up with dead batteries a few times at inopportune occasions.

I could have got a new dash voltage meter, but I just felt it was not reliable in the long run. I am pretty good at wiring jobs, so I decided to buy these two voltage meters - assessing each battery.

Now I can see both the digital readout and the voltage level to better confirm where my battery energy levels are at. On my old scooter, I used to solely go by the digital readout on my display meter. So I am thrilled to have that ability once again.

I wired each one up so I could easily remove the wire terminals from the battery posts. The other advantage of these voltage meters is, you can push the on-button a third time to shut off the voltage meter. This way, there is no parasitic leakage of power. I just check the power levels at designated stops.

Oh and one more thing! I bought one of those portable power boxes. It’s only a 300 watt model, but at my half-way stop, I plug my charger cord into the power box and that brings up my voltage levels to easily get me back home after 1 to 1.5 hours.. I go into the Legion lounge for a beer and chat - then hop on my mobility scooter and away I go again. No gasoline costs to worry about - just a charged up battery. And with these reliable voltage meters, I can trust these.
Customer image
Don Benedict
5.0 out of 5 stars Mobility Scooter - Battery Voltage Meters
Reviewed in Canada on December 29, 2023
The dash voltage meter on my mobility scooter only showed a level and not a digital voltage reading. The wave-level of the voltage was unreliable and I ended up with dead batteries a few times at inopportune occasions.

I could have got a new dash voltage meter, but I just felt it was not reliable in the long run. I am pretty good at wiring jobs, so I decided to buy these two voltage meters - assessing each battery.

Now I can see both the digital readout and the voltage level to better confirm where my battery energy levels are at. On my old scooter, I used to solely go by the digital readout on my display meter. So I am thrilled to have that ability once again.

I wired each one up so I could easily remove the wire terminals from the battery posts. The other advantage of these voltage meters is, you can push the on-button a third time to shut off the voltage meter. This way, there is no parasitic leakage of power. I just check the power levels at designated stops.

Oh and one more thing! I bought one of those portable power boxes. It’s only a 300 watt model, but at my half-way stop, I plug my charger cord into the power box and that brings up my voltage levels to easily get me back home after 1 to 1.5 hours.. I go into the Legion lounge for a beer and chat - then hop on my mobility scooter and away I go again. No gasoline costs to worry about - just a charged up battery. And with these reliable voltage meters, I can trust these.
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Juan Carlos Perez
1.0 out of 5 stars No tiene lo que ofreció le falta la alarma
Reviewed in Mexico on June 22, 2022
Color: GreenVerified Purchase
La idea era ponerlo para controlar las baterías del carro de golf pero no tiene la alarma para cuando están bajas las pilas
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Amazon Kunde
5.0 out of 5 stars Gut
Reviewed in Germany on April 12, 2024
Color: GreenVerified Purchase
Gut
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Rainer Ziegler
5.0 out of 5 stars Top
Reviewed in Germany on March 23, 2024
Color: BlueVerified Purchase
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Rainer Ziegler
5.0 out of 5 stars Top
Reviewed in Germany on March 23, 2024
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Jose Maria Fraile Hernandez
5.0 out of 5 stars Como funciona?
Reviewed in Spain on November 11, 2023
Color: GreenVerified Purchase
Ha llegado pronto y, segun parece, es justamente lo que se ve en las especificaciones. El problema es que no se como se ajusta a mis necesitdades, por ejemplo, tipo y nº de baterias. Como lo hago?
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