'A' Monitor Installation Instructions - Download
'A' Monitor Information Leaflet - Download
'A' Monitor User Review - Download
SIX LED BATTERY MONITOR With Fitting Kit
Item shown with UK 2p coin for scale - no free money included!
Good for any 12v battery where you want to monitor levels between the ranges specified in the tables below - Lead-Acid, Gel type or fibre mat technology cells.
Hundreds of these units, and it's sister single LED versions (see our other listings) have been sold.
See our selection guide at the bottom of the listing to chose the right model from our range of FOUR to suit your application.
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· Must be good as this is my second one. 1 for the bike & 1 for the microlight.
· Next day delivery, fantastic service.
· Good service. Communication Excellent. Good product. Informative Instructions
· great little gadget
· Very fast delivery. Very Helpful. Nice & compact - would recommend
· Good company, honest, fast response. Good to do business with.
· excellent Item , really well made , good communication recommended
· Damn fine bit of kit ! Thank you.
· super fast delivery working perfectly - recommended Thanks
· Excellent product, comprehensive instructions, fitted and working no problems
Its annoying when your battery goes flat without warning. This neat little unit can be used wherever you have a 12v based electrical system. Perhaps your bike, car, camper or boat, or that battery you have to power the lights in your shed can go flat on you without warning, or you would like some idea of how much juice you have left?
This compact gadget will show you by means of six bright LEDs the voltage level of your battery.
Simple fitment instructions are included with the device. A fitting kit comprising tie wraps and rear mounted adhesive pads and bases is supplied to allow fitment to any flat or curved surface - fix to dashboard, wall, handlebars, any surface you can stick and loop cable ties around.
This unit is intended to provide a permanent display for use in systems where pressing buttons, and annoying flashing LEDs would distract. Imagine something in your vehicle thats flashing to get your attention, or needs a button pressing to get a reading. This unit looks after itself, and its clear 6 LED levels, and 'emergency flash' at critical battery levels on red LED are simple and easy to understand. You dont need the datasheet to comprehend lots of distracting coded flashing for each and every LED on the unit. You can set the unit to illuminate just one LED at a time, or act as a multi-LED trend display. (See motorcycle photo for trend operation).
So, by using the 'Yellow Wire' function, you can set this unit to light a line of one to 6 LEDs in a bargraph fashion, or illuminate just a single LED at the current indicated position.
If you would like a very low supply current model for long term monitoring of your battery, ('sipping' less than 500 millionths of an amp average current with the same fantastic accuracy ) please see our listings for our 'D' model. The 'D' model is especially for very low current (non vehicle) applications where minimum current draw is required as the battery has no charging system. The 'D' model lights a single led, or flashes a single LED, according the the 'yellow wire' connection.
Just 49mm W x 24mm H x 16mm D (About the size of your thumb!). SMALLEST 6 LED UNIT ON EBAY!
Voltage : 12v (Max 16v). Accuracy to +/- 0.1v. Unit will operate down to less than 4v.
Power Consumption : 2mA in single LED mode, less than 8mA in multi led mode (depending on amount of LEDs lit)
Internally PTC fused (self resetting) - dont risk your system wiring with an unfused unit!
Reverse voltage protected. Try connecting it up backwards, you cant break it!
Indicates overcharge (alternator regulator failure)
Surge clamped supply input - prevents 'spikes' from noisy electrical systems damaging the unit
Internal 'watchdog' makes sure the unit can never crash and is always reliable
RC integrated voltage measurement input
Multiple oversampling - unit takes 10+ readings to obtain greatest accuracy.
Built in hysteresis to prevent 'bouncing LED' when unit is at changeover point.
Display LEDs updated over 300 times a second - each and every second - fast response!
Clear and obvious display without coded multi-led flashing, which needs data sheet to understand! Your granny would know what this unit is telling you!
Mode input allows multi LED 'trend bargraph' operation, or single LED illuminated operation
Supplied with comprehensive printed instruction sheet
LED Operating Points
Overcharge is indicated at 15.2v, with the unit flashing the two end LEDs (red and green). This warns you that your alternator or charging system may be frying your battery!
In single LED mode, the LED will ‘travel’ to the current battery status level. In multi-LED mode, all LEDs will light to the current battery status level.
The red LED has multi-functional capability. Once the red LED illuminates, the battery is considered discharged. If further current is drawn, it may deep-discharge and reduce future battery life. User warning against further discharge is indicated by slow flashing, and critical level indicated by rapid flashing of the red LED.
The unit has three wires:
Connect the yellow wire to 0v for lowest current, reduced visibility (useful on vehicles if user prefers) single LED mode, or connected to 12v for multi-LED ‘bargraph’ mode.
The yellow wire could be wired to a vehicle ignition switch to put the unit into bargraph operation when vehicle operating, or single LED lowest current mode when vehicle idle.
The unit is intended for surface mounting via the backing tape provided. It may also be mounted behind a panel with LEDs exposed through suitable holes. LEDs are on a 7mm pitch and require a 5.5mm clearance hole if mounted in this way.
The internal module may also be removed by simply removing four screws from the rear cover and pressing the leds at the front to pop the electronic module out the rear.
Model Comparison Table:
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Explore our website further for other battery monitor models.