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jeff cote here with votingtechtalk.com

so we're actually going to be

uh presenting today a box opening of one

of my favorite products which is

a battery monitor and today we're

looking at actually

a victron battery monitor called the bmv

700 bmv 700

is actually for single battery meaning

it doesn't have actually like the 702

the ability to do a secondary battery

voltage um

so it's basically for people that are

installing a battery bomber

on a battery bank remember battery

monitors are meant to monitor a battery

bank the battery bank can be one or can

be many batteries so

here's what it comes in the little

package and even i think what they're

trying to show you is what's actually

included

so you've got over here the battery

monitor that you're going to be mounting

somewhere accessible

generally not necessarily where the

batteries are because the good news is

we're going to be opening this we'll see

there's cabling

they've also even have the shunt you can

actually see at the bottom there's a

little bit of

the wiring that is in between the shunt

and the battery monitor

and then they've got a little fascia so

we're going to start opening oh by the

way

i can't emphasize this enough the great

thing that actually victron i i'm

telling you man

people over there are just awesome what

they did is they actually did a wiring

diagram

they actually give you a little bit of a

sense of the scope and even better

they're actually even showing you what

happens if you have a second battery

and where and this is key where does

the second battery wiring go to

so they're actually saying okay this is

a battery monitor for one battery but if

you happen to have a second one

make sure you notice here the negative

here

actually will connect to the load side

of the shunt

because otherwise if you brought it here

you'd be measuring the

battery current going in and out for

both batteries okay

so with that we're going to get started

like i said victron is an amazing

company

they're actually inspiring they're

leading uh

and doing things that nobody else is

doing

and as a bolder i find it

just refreshing it's it's really on

vanguard

but yet reliable so it's there must

i i i've never i mean i deal with the

engineers from the company but i've

never been or had a tour because i

haven't been to amsterdam

to um i believe they have a meth show

that i want to do i was supposed to go

there last year

didn't go next time we get to travel i'm

going to head over here so

i took out the box notice okay the

manual

don't be intimidated it's in multiple

languages

it's you can see there's a lot of

different languages it's not that bad

okay so this is the manual and i don't

know it looks like eight different

languages so

no big deal you're only going to read a

small portion of it

okay so here we go again

that was inside the box um so you

basically

slowly but surely again take that away

and so what do we have

this is actually the battery monitor

shunt and it's actually a smart shunt

because you can actually see

it actually has what's considered a

telephone jack this is not ethernet

would actually connect right into this

port and so what they're trying to do is

they're trying to make it easy

right which is good how do we bring the

information that is actually

from this shunt and how do we

interconnect it

to this device over here which is your

battery monitor

right so the battery monitor actually

has

a port at the back and so the good news

with the victron bmv

700 702 or 712 and the 712 is just the

bluetooth model so you can actually

remotely access this device but right

now we're doing a demo

an open box for the 700. um

little gauge it's probably it's the same

sort of cutout as most of the engine

gauges that you have on your boat

right so the cutout is not too hard and

notice this this is kind of neat

it's got a ring in the back so that you

can actually

mount it and then re tighten the ring

down

so that you actually have this not

moving so they did a really good job

with that

that's really nice comes with

this telephone wire i think it's about

probably 50 feet 15 meters or something

like this

so it's long enough it's pretty rare

we've had to extend it sometimes

we'll use a telephone jack sort of uh

female to female so that we can do male

to male so we'll do that

and then lastly it comes with the fuse

to obviously power the shunt and also to

monitor the battery voltage so basically

that's all it that you get

in this little fascia so that when you

have a cutout it looks good

so if you're actually noticing the

battery monitor is sort of

in the middle right and you're going to

be able to

have current going in and out of this

showing up on the meter and the other

thing too

that the meter is going to tell you is

it's actually also going to be counting

the cumulative amp hours that have been

added or taken away

and it's going to show that to you which

is probably one of the most important

things of a battery monitor

not just instantaneous amps in or out

but what is the cumulative amp hours and

what is your amp hour capacity

so obviously essentially you need to

actually configure what the battery size

is

so they can tell you you know

proportionally if you took out let's say

50 amp hours well did you take out 50

amp hours out of 100 amp hour battery or

50 amp hours out of 400 amp hour battery

so the battery monitor is going to be

able to knowing when you calibrate and

say okay

you're an agm battery your 200 amp hour

battery bank

and then it's going to take that

information and when it's calculating

battery percentage

it's going to be able to know what's the

percentage of capacity that is left

in your battery bank so battery monitors

are i would say probably my number one

coolest thing on a boat

and the reason is is because it takes

the guesswork out of knowing

where your batteries are at victron

again makes an awesome one

honestly this is incredible schematic i

remember even onboarding new technicians

in our company and telling them

when in doubt look at the battery box

it's even telling you

like full size schematic on how to

actually

properly wire a battery monitor on your

boat

so thanks for watching and if you've got

further questions on battery monitors

search on our website there's literally

hundreds of

videos articles and posts

just related on understanding and

installing a battery monitor

on your boat

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