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Your cart is empty.Product Description
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.
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%.
Bryan M.
2025-09-01 15:44:01
The unit just plugged in and works great. The manual is good except for I’m not sure what S5 mode of operation is. It says discharge mode selection. There’s no description in the manual on this. I assume when you select the lithium battery type, the batteries are in series Creating the voltage that you’re looking for whether it’s 11.8 or 12.8v
Just ME
2025-08-25 18:11:26
I bought thes two times so far. Originally I used them to monitor the charge on 12volt batteries being charged by solar cells. some of the batteries were lead acid and one set was lithium. Then the analog battery meter on my invalid scooter started acting up. The analog meter only displayed a guess of the batteries charge. I installed one of these on the top of the original analog (glued down with silicon rubber) not pretty but it works great. Now I know the exact voltage of the 2 batteries (24volt total) and the percent of charge. I really like these and they are so much better than the analog meter... Oh Yea, O drilled a hole near the original meter and soldered the two wires directly to the original meter. Another Plus, the scooter only had a small LED to indicate it was turned on. Now the digital display lights up as a better indication
Giuoco Piano
2025-08-03 18:45:48
I have my doubts as to how accurate this device is, but it seems consistent enough to do the job: provides a metric regarding battery capacity status. Easy to connect.I found the instructions for initial configuration confounding, I had to read them several times. But I reordered them to make them more understandable, at least for me:1. Go into Setup Mode a. Disconnect power b. Hold down the Setting Button c. Apply power d. Release the Setting Button2. Set the battery type a. Click the Setting Button to cycle through i. P (lead acid) ii. L (3.7V lithium) iii. F (LiPo)3. Set battery string number a. Click the Function Key to cycle through the number of batteries in series4. Set the display settings. ("S1" thru "S5") a. Long press the Function Key b. Use the Setting Button to cycle through i. Rotate between % capacity or V every 2 seconds ii. Sleep after 10 seconds of inactivity iii. Turn on backlight iv. Show the logo v. Show discharge mode c. At each option, click the Function Key to Set or Cancel that mode5. Exit the Setup Mode by disconnecting power6. Enter normal operation by reapplying power.*** 12-22-24 *** . I measured the actual battery voltage versus the monitor battery capacity status:100%. 13.4 V95% 13.0 V90%. 12.9 V85%. 12.8 V80%. 12.7 V75%. 12.4 V70%. 12.3 V60%. 11.9 V55%. 11.72 V50%. 11.66 V45%. 11.60 V39%. 11.44 V30%. 11.13 V25%. 11.10 V
hakosama
2025-08-02 14:22:50
I'm having problems keeping my batteries charged on my truck so I installed these on each battery to insure I always know how they are without pulling out my multimeter.
jacqueline capobianco
2025-07-31 11:36:05
Although the battery voltage reads accurately the "percent battery" reading never drops below 100% . I have 3 installed and all are on 36v systems., a golf cart and batteries for trolling motors. 2 applications are wet cell batteries and the other is lithium.
Rolando
2025-05-24 12:45:04
He comprado varios de estos, y son de excelente calidad!
H-Town
2025-04-04 09:28:54
I ordered 8 of these for our rental golf carts. Ordered in January installed in March. (can't return)Please know that these do not monitor the state of discharge on golf carts. I thought I was buying something that would show renters when it was time to get home and recharge the carts. It does not! It tells you how many volts the cart is but not when the battery goes down. Yes we did the correct settings. Simply does not work for this need. I read a couple other golf cart owner reviews (after the fact) and they are right. AGAIN does not work for golf carts. The unit itself is good and showed the fact that it was a 48v cart. After running my cart for 4 miles which is usually about 40% discharge (tested on my personal cart which I know intimately) the monitor still showed 100% charge or in the other setting 48V. Description for unit is misleading for me. Maybe it's just golf cart owners that this doesn't work for.
Chris Coates
2025-03-14 19:40:05
Easy install and setup, easy to read
Foto 99
2024-12-29 12:50:59
Den Voltmetern liegt eine Beschreibung zur Programmierung bei, leider nur in Englisch. Sie können für unterschiedliche Batteriearten und Zellenspannungen frei programmiert werden.
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