Features：
·Excellent EMC design
·32 bit MCU with high speed
·High efficient Series PWM charging
·Four battery type options: Sealed, Gel, Flooded, and USER
·Intelligent lighting and timer control for solar lighting system
·12 bit A/D high-precision sampling to ensure accuracy
·Use MOSFET as electronic switch
·Full control parameters setting and modification, diversified load control mode
·Humanized design of browser interface, undertake every operating conveniently
·Temperature compensation
·Adopt graphics dot-matrix LCD screen and HMI (human-machine interface) with 4 buttons,integrated menu displaying and operation
·Energy statistics function
·RS485 ports with MODBUS communication protocol
·Optional PC monitoring software and remote meter for real-time monitoring and battery management parameter setting
·Field upgradable firmware
Electronic Protections：
·PV short circuit protection
·PV reverse polarity protection
·Battery overcharge protection
·Battery over discharge protection
·Load overload protection
·Load short circuit protection
·Battery reverse polarity protection
·Overheating protection
Specification
Model | VS2048BN | VS3048BN | VS4548BN | VS6048BN |
Nominal system voltage | 12/24/36/48V auto work | |||
Rated battery current | 20A | 30A | 45A | 60A |
Rated load current | 20A | 30A | 45A | 60A |
Max. battery voltage | 64V | |||
Equalize charging voltage | Sealed: 14.6V, Flooded: 14.8V, User-defined: 9~17V | |||
Boost charging voltage | Gel: 14.2V, Sealed: 14.4V, Flooded: 14.6V, User-defined: 9~17V | |||
Float charging voltage | Gel /Sealed /Flooded: 13.8V, User-defined: 9~17V | |||
Low voltage reconnect voltage | Gel /Sealed /Flooded: 12.6V, User-defined: 9~17V | |||
Low voltage disconnect voltage | Gel /Sealed /Flooded: 11.1V, User-defined: 9~17V | |||
Self-consumption | ≤15mA(12V); ≤10mA(24V); ≤9mA(36V); ≤8mA(48V) | |||
Grounding | Common negative | |||
Temp. compensation | -3mV/℃/2V | |||
Relative humidity | 10%~90% Non-condensation | |||
Communication | RS485 / RJ45 interface | |||
LCD temperature | -20℃ ~ +70℃ | |||
Working temperature | -25℃ ~ +55℃ | |||
Humidity | ≤95% N.C. | |||
Enclosure | IP30 | |||
Overall dimension | 200x103x58mm | 201x109x59mm | 205x119x67mm | 205x174x64mm |
Terminals | 16mm2 | 35mm2 | 35mm2 | 35mm2 |
Net weight | 0.7kg | 0.9kg | 1.2kg | 1.5kg |
