Customer ratings

Name: Battery Monitor BM-1 Compact / white
Brand: NASA MARINE
Price: 169.95 EUR
Availability: InStock
Rating: 4.5 (46 reviews)

Battery Monitor BM-1 Compact / white

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(46)

NASA MARINE Battery Monitor BM-1 Compact / white

only €169.95

4.5 (out of 46 ratings)

5 Stars

(27)

4 Stars

(17)

3 Stars

(1)

2 Stars

(0)

1 Stars

(1)

by Peter-Alexander W.

6/22/2010

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Fully fulfills my imagination. Even more: contrary to the description and the very good instructions, this device can simultaneously display the voltage of another battery. That's the orange cable. But just the tension. That's enough for a battery that is otherwise not continuously charged / discharged. As a rule, this is the starter battery. The charging / discharging currents are then calculated for the consumption battery. BM-1 is easy to use and pretty accurate.

by Peter-Alexander W.

6/22/2010

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Fully filled my imagination. In addition, contrary to the description and the very good instructions, this device can simultaneously display the voltage of another battery. This is the orange cable. But just the tension. This is enough for a battery which is otherwise not continuously charged / discharged. As a rule this is the starter battery. The charge / discharge currents are then recorded for the consumption battery. BM-1 is easy to use and fairly precise.

by Thomas G.

3/31/2021 Verified purchase Variant: 14719

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Super service, fast, friendly, competent and uncomplicated

Monitors have only just been installed; Quality will show up over the season, but I think everything will be as advertised

by Peter K.

8/17/2020 Verified purchase Variant: 14719

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Fast delivery. Requirement of design. Only installation migkuch

by Edvard B.

3/11/2019 Verified purchase Variant: 51204

All OK

Good, better, the best!

by JEAN FRANCOIS N.

3/16/2017 Verified purchase Variant: 14719

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Too bad.one again .That the documentation is not in French .... Especially that it is an obligation to distribute it. In his expectation, the mounted device can not be used

by Stefano C.

6/28/2016 Verified purchase Variant: 14719

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I have yet to assemble it but it looks like a great product!

by GENEFF -.

6/20/2016 Verified purchase Variant: 14719

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Very large display, there is smaller for E-automotive suppliers, but very well recognizable, even after the second run beer

by Volker R.

4/22/2016 Verified purchase Variant: 14719

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The product is OK. Nice would be an indication which other components would be useful.

by Luca F.

5/5/2015 Verified purchase Variant: 14719

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Simple and effective in its use and installation.

by Luca F.

5/5/2015 Verified purchase Variant: 14719

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Simple and effective in its use and installation.

by Markus K.

8/6/2014 Verified purchase Variant: 14719

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On long-distance you have to be informed about the energy status otherwise the skipper is a torture for the crew. He annoys his people because he can never be nearly informed about the charging status of his batteries. For the sake of simplicity, I have opted for this device. I had everything running within 45 minutes. The device can also display the volt status of the engine battery. But you have to lay a not supplied additional line from this to the installation of the monitor. (not described in the German manual) The Fkt of the device seems to be very precise!

by Markus K.

8/6/2014 Verified purchase Variant: 14719

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If you are on a long trip, you have to be informed about the energy status, otherwise the skipper is a pain for the crew. He is annoying his people since he can never be only approximate about the charging status of his batteries. For simplicity I decided to use this device. I had everything installed within about 45 minutes. The device can also display the voltstatus of the motor battery. For this, however, an additional cable, not supplied, must be installed from the monitor to the installation location of the monitor. (not described in the German manual) The device of the device seems to be quite precise!

by Anonymous 8/5/2011

Useful, very easy to install.

by Anonymous 8/5/2011

Useful, very easy to install.

by Detlef C.

6/14/2011

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Easy installation, very good controller

by Detlef C.

6/14/2011

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Easy installation, very good controller

by Anonymous 8/5/2010

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Alles o.k.

by Anonymous 8/5/2010

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Everything OK

by François-Xavier B.

4/24/2023 Verified purchase Variant: 51205

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Fixing screws not to be used because of poor quality

The fixing screws are of poor quality. Head broken when screwing.
No French version of the manual.
Otherwise the product does the job.

by Lewis G.

12/11/2022 Variant: 51205

Not good

This was installed by the previous owner, however it is soo bad that I have thrown it away.
The percentage is inaccurate and changes from 104% to 0% randomly. Then if you disconnect and reconnect the 12v power supply to the screen, it will start from 0% again (no matter what the voltage is).
The backlight stays on way too long and the screen has to be mounted in line with your viewing angle, otherwise you cant tell the difference between a 1 and a 7.
This is way overpriced, I wouldnt pay more than €50 for such old technology.
It also looks and feels cheap, and the shunt looks old and is only 200A.

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