12V Battery Protection Auto Cut Off Circuit BMS

This

is

12v

Battery

Protection

circuit

which

Automatically

Cut

Off

power

supply

of

the

source

battery

is

full

and

start

charging

again

when

battery

is

low

.

When

the

battery

voltage

drops

to

about

11.5V

(low

voltage

adjustable

settings)

when

the

protection

board

will

automatically

charge,

when

the

voltage

reaches

about

14.5V

when

the

protective

board

power

charger

to

stop

charging.

To

achieve

automatic

charging,

automatic

power

off

overcharge

protection

function. This

board

uses

the

special

voltage

control

IC

and

the

automobile

special-purpose

relay

assembly,

the

volume

is

small,

the

electric

current

is

big,

the

shutdown

voltage

is

accurate

and

stable,

the

protection

is

thoughtful,

the

function

is

complete,

the

performance

isreliable,

can

let

you

rest

assured.

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Operating

voltage:

DC

11.5-14.5v,

the

maximum

can

not

exceed

15V,

otherwise

the

chip

will

burn.

Relay

closed

charging

voltage:

11.5V

Relay

disconnect

protection

voltage

14.5V

Voltage

error:

0.1V

Voltage

detection

method:

DC

voltmeter

Charging

type:

12V

battery

battery

Potentiometer

adjustment:

VR2

starting

voltage,

VR1

full

power

protection

voltage

Note:

Support

charger

power:

AC

220V,

5A,

1000

Watts,

do

not

support

the

core

of

the

transformer

charger.