Basic Info.

Model NO.

BWC-M20A12V24V

Origin

Yangzhou

HS Code

8543709990

Model NO.

BWC-M20A12V24V

Origin

Yangzhou

HS Code

8543709990

Product Desciption

Functional characteristics:

1.  System voltage automatic identification
2.  Design of high speed and high performance 32 bit processor
3.  Excellent heat dissipation and EMC design
4.  Using MPPT and PWM two charging mode, effectively improve the charging efficiency of the battery board.
5.  The use of large screen LCD LCD display and dual key man-machine interface, complete menu display and operation
6.  User-friendly browsing interface, user-friendly operation
7.  Using power MOSFET as a switch, there is no mechanical switch
8.  Intelligent battery power indicator to facilitate the user to view the status of the battery
9.  Lead acid seals, colloids, openings and user selectable charging procedures
10. External temperature sensor with high precision temperature compensation
11. Parameter settings power down save function, no need to repeat settings, easy to use
12. With intuitive LED display, allowing users to understand the solar energy, the running state of the load
13. With over charge, over discharge, overload protection, and electronic short circuit protection and anti back protection of battery.
14. Lightning protection.

Technical indicators

Mode		M20A/30A/40A
Maximum open circuit voltage		<100V
MPPT voltage range		20V~100V(12V) ;
		40V~100V(24V) ;
Maximum  input current		30A
Maximum discharge current		30A
Solar energy Maximum input power	12V	360W
	24V	720W
Battery type adjustable		Support for lead acid, gel, opening and lithium battery (self setting).
Charge cutoff voltage		(SEAL)	(GEL)	(open)	(SELF)
(24V*2)(48V*4)
boostCharging voltage		14.6V ±1%	14.2V ±1%	14.8V ±1%	14.0V ±1%(default)
Balance charge voltage		14.4V ±1%	14.2V ±1%	14.6V ±1%
Float charging voltage		13.8V ±1%	13.8V ±1%	13.8V ±1%
Charge return voltage		13.3V ±1%	13.3V ±1%	13.3V ±1%
Charging mode		MPPT or DCDC(Adjustable)
Maximum charging efficiency		MPPT mode:96%
Battery plate high voltage protection		Battery voltage is greater than 200V, stop charging; automatic recovery of 1 minutes
Over current protection		1.1 times rated current, stop charging; auto recovery for 1 minutes
Load mode		Pure lighting control mode, control mode and control overtime household mode (adjustable)
under voltage protection		10.8V/21.6V  ±1%(adjustable)
under voltage recovery		12.8V/25.6V  ±1%(adjustable)
overload protection		1.5 times rated current 3S overload protection action, automatic recovery of 1 minutes
Output short circuit protection		Hardware protection (48V system will fuse fuse), automatic recovery of 10 minutes
Controller high temperature protection		The temperature of the radiator is higher than 65 DEG C to stop charging and discharging, and the temperature is reduced to a temperature of 45 DEG C to recover the charge and discharge.
Exterior dimension		186mm x 148mm x64.5 mm
weight		1.25kg
working temperature		-25ºC~+60ºC
Storage temperature		-30ºC~+70ºC
Humidity requirement		<=90%,No condensation
Protection level		IP30
Altitude		<=2000m(2000mAbove altitude need to reduce power use)
Connection mode		Terminal
Mounting wire diameter		<=7#  AWG (16mm²)
Circuit Tuo		Buck(Common cathode)
Ambient temperature range		-35ºC~60ºC
Cooling mode		Air cooling, radiator temperature greater than 45 degrees open, less than 35 degrees stop.
Remote monitoring function		RS232 Matching
Warranty period		3 years