mppt solar charge controller 192v-540v

1. Intelligent management system and multiple working modes, meeting different customer needs 2. Allowing you to set the priority of grid connection, battery type and other inverter information on the LCD screen. 3. Dual MPPT, high current input, compatible with large solar cell module of 210mm, flexible configuration, 4. All-in-one design, providing backup power and peak-shaving function. 5. With a battery safety management system, supporting the remote upgrade of BMS system.

Characters Transformerless with three level topology Max efficiency up to 98.6% Dual MPPT inputs accommodating wide voltage range Compact structure design Complete protection function such as anti-islanding, short circuit, overload Easy installation and free maintenance WiFi or GPRS (optional) communication Component brands Specification Model No ST17KTL ST20KTL ST25KTL DC side/Input parameters Max. DC power [W] 18500 22000 25000 Max. DC voltage [Vdc] 1000Vdc. 1000Vdc. 1000Vdc Min. System start/Shut down voltage [Vdc] 250 250 250 MPPT voltage range[Vdc] 250~850 250~850 250~850 Max. input current [A] 25A*2 25A*2 25A*2 Number of MPP trackers 2 2 2 Strings per MPP tracker 2 2 2 AC side/output parameters Nominal output power [W] 17000 20000 25000 Maximum output power [W] 18500 22000 27000 Nominal output voltage/range [V] 400V/ 280-490V（adjustable) AC grid frequency/range [Hz] 50Hz,60Hz(auto-selection) / 44Hz-55Hz; 54Hz-65Hz Maximum output current [A] 25 30 36 AC connection(with PE) 3W/N/PE 3W/N/PE 3W/N/PE Current distortion(THDi) [%] <1.5 <1.5 <1.5 Power factor [%] >99.95 >99.95 >99.95 Efficiency Maximum conversion efficiency[%] 98.5 98.6 98.8 European efficiency[%] 98.1 98.2 98.3 MPPT efficiency[%] 99.9 99.9 99.9 Safety and protection yes DC reverse-polarity protection yes Anti-islanding / Overvoltage protection yes Short circuit protection yes Leakage current protection yes Grid monitoring / Ground fault monitoring yes DC/AC side varistors(thermally protected) yes General Parameters Dimension(L/W/H)[mm] 505*525*245 Weight (kg) 37 Embedded DC Switch Optional Night power consumption[W] <0.2 Isolation type Transformerless Protection degree IP65 according to IEC60529 Operation temperature[ºC] -25 ~ 60 Cooling concept Natural convection Acoustic noise level[dB] <25 Operating altitude[m] <2000 without power derating Display Graphic LCD Communication Interface Standard WIFI; GPRS(optional) Certificates and Approvals CE-(EMC/LVD) : EN(IEC) 61000-1/-2/-3/; EN(IEC) 62109-1/-2;IEC 61727/62116;G83-3/G59-3; EN50438;VDE-0126-1-1;VDE-AR-N4105;AS4777.2;AS4777.3 Projects

The 3kw solar inverter is integrated with MPPT solar charge controller inside. It can also connect to grid to take grid as backup when battery is over discharged. The output voltage is 120V, several pieces in parallel can get 120V/240V split phase. All of parameter such as working mode, charging current, over discharge voltage can be set as you wish.

ENERGY EFFICIENT COOLING & HEATING SYSTEM - This  split inverter system offers efficient cooling and heating capabilities, with DC Inverter technology provides up to 71% energy saving on the ECO mode. SMART AND ALWAYS GETTING SMARTER - Wifi enable mini split system work remote control, You can control your mini split air conditioner from anywhere while you're away to save energy and feel cooler when you get home. QUIET OPERATION - This highly-efficient mini split inverter system warrants ultra-low noise, the indoor unit operates as quiet as 19 dBa. The mini split provides balanced airflow to throughout your room and can adjust to suit your personal comfort.

1. Supports lead acid battery and li-ion battery connections. 2. With a dual activation function when the li-ion battery is dormant; either mains/photovoltaic power supply access can trigger the activation of the li-ion battery. 3. Support split-phase and single-phase pure sine wave output. 4. Supports four different voltage levels of 100Vac, 105Vac, 110Vac, and 120Vac per phase. 5. Supports two solar inputs and simultaneous tracking of two solar maximum power charging/carrying capacity functions. 6. Dual MPPT with 99.9% efficiency and maximum 22A current in a single circuit, perfectly adapted to high power modules.

The 5kw solar inverter is integrated with MPPT solar charge controller inside. It can also connect to grid to take grid as backup when battery is over discharged. The output voltage is 220V, maximum 6pcs in parallel. 3pcs in parallel can get three phase 380v output. All of parameter such as working mode, charging current, over discharge voltage can be set as you wish.

Features: The battery module consists of single LFP cells, wire, BMS and container. ●Packed with high performance LFP single cell, long life, safety and wide temperature range ●High energy density, small size, light weight, no pollution ●Packing with single cell container, fire retardant wire and laser welding, stable and safe ●Built-in BMS, with battery voltage, current, temperature and health management ●LED indicate the battery SOC and operating status ● LCD Screen display the battery voltage, current, temp.,SOC detail information ●Support communicate with solar inverter bu CAN or RS485 ●Update software by RS485 port ●Flexible customization of dimensions ●More than 15 years design life ●Stable performance, maintenance-free Dimension Specification Item Specification Conditions Nominal Voltage 51.2V  25℃,0.2C Capacity 200Ah Module weight 80.0kg ±1kg Dimensions(W*D*H), mm 442*600*230 ±2mm Operating parameters Charging Voltage 56.0+/-0.8V   End-off Voltage 44.8V   Charging current Max constant charge: 100A Recommended 30A Discharging current Max constant discharge: 100A   Temperature Charge range 0℃~50℃   Discharge range -20℃~55℃   Storage range -20℃~55℃   BMS Built-in BMS Voltage, current, temperature management & cell balance RS485,CAN communication Service life Design life >15years 25℃ Cycle life >6000 times, 0.5C, 80%DOD   Performance curve

Off-grid solar energy systems is mainly composed of photovoltaic modules, controllers, inverters, batteries and other accessories The working principle of the solar panel system is that the photovoltaic module converts light energy into direct current, and the direct current is converted into alternating current under the action of the inverter, and finally realizes the power consumption function. It can be for Home applications, Commercial applications and Industrial applications. Inverter power: 5kW AC output voltage: AC110V/120V Battery voltage: DC24V or DC48V Battery type: Gel battery or LiFePO4 battery Solar panel type: Mono or poly Compatible with grid and generator Monitor: WIFI or GPRS