RK-BP Series AC Coupler

Features
Compatible with lithium battery and lead-acid battery
Wireless communication
Flexible control for monitoring system through APP
No fan design
IP65 protection level
Battery isolated with AC electrical equipment ensure the safe and reliable
Full power charging and discharging current of battery can reach 100A
Off-grid, grid-connected dual-output
Out-of-network THDu ≤3%, with inductive load Application Examples Villa Communications base station Nomadic area Farm Household Backup power How it works?
Technical Parameters

Model	R3K6-BP	R5K-BP
Battery Input Data
Battery Type	Li-Ion or Lead-acid	Li-Ion or Lead-acid
Nominal Battery Voltage (V)	48	48
Max. Charging Voltage (V)	≤60 (Configurable)	≤60 (Configurable)
Max. Charging Current (A)	75	100
Max. Discharging Current	75	100
Battery Capacity (Ah)	50~2000	50~2000
Charging Strategy for Li-Ion Battery	Self-adaption to BMS	Self-adaption to BMS
AC Output Data (On-Grid)
Nominal Power Output (W)	3680	5000
Max. Apparent Power Output (VA)	3680	5000
Max. Apparent Power FromUtility Grid (VA)	7360	9200
Nominal Output Voltage (V)	230	230
Nominal Output Frequency (Hz)	50/60	50/60
Max. AC Current Output (A)	16	22.8
Max. AC Current FromUtility Grid (A)	32	40
Output Power Factor	~1 (Adjustable from 0.8 leading to 0.8 lagging)	~1 (Adjustable from 0.8 leading to 0.8 lagging)
Output THDi (@Nominal Output)
AC Output Data (Back-up)
Max. Output Apparent Power (VA)	3680	5000
Peak Output Apparent Power (VA)	4416, 10sec	5500, 10sec
Automatic Switch Time (ms)
Nominal Output Voltage (V)	230 (±2%)	230 (±2%)
Nominal Output Frequency (Hz)	50/60 (±0.2%)	50/60 (±0.2%)
Max. Output Current (A)	16	22.8
Output THDv (@Linear Load)
Efficiency
Max. Efficiency	95.5%	95.5%
Protection
Anti-islanding Protection	Integrated	Integrated
Output Over Current Protection	Integrated	Integrated
Output Short Protection	Integrated	Integrated
Output Over Voltage Protection	Integrated	Integrated
General Data
Operating Temperature Range (°C)	-25~60	-25~60
Relative Humidity	0~95%	0~95%
Operating Altitude (m)	≤4000	≤4000
Cooling	Natural Convection	Natural Convection
Noise (dB)
User Interface	LED & APP	LED & APP
Communication with BMS	RS485; CAN	RS485; CAN
Communication with Meter	RS485	RS485
Communication with Portal	Wi-Fi	Wi-Fi
Weight (kg)	18.5	18.5
Size (Width*Height*Depth mm)	550/200/515mm	550/200/515mm
Mounting	Wall Bracket	Wall Bracket
Protection Degree	IP65	IP65
Standby Self Consumption (W)
Topology	High Frequency Isolation	High Frequency Isolation
Certifications & Standards
Grid Regulation	AS4777.2, G83/G100, CEI0-21	AS4777.2, G59/G100, CEI0-21
Safety	IEC62477, IEC62040	IEC62477, IEC62040
EMC	EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, EN 61000-6-4	EN 61000-6-1, EN 61000-6-2, EN 61000-6-3, EN 61000-6-4