4KW-48V Inverter

Sold Out

Fast Charging Pure Sine Wave Inverter with RCC Remote Control

Buy this product through any of the following:

Call to Order

310,100 237,600

Sold Out



PRAG 4KW-48V ADV Inverter is an inverter/charger combination with high reliability providing true sine-wave inverter, lead acid battery charger and AC transfer switch together. It can be connected to either solar, grid or generator to compose power system for the most demanding power backup application.

PRAG Energier Essential bi-directional inverter can be used in multiple applications.You can use it to compose power backup system. Or, with a quick setting,you can compose a simple solar hybrid system either with grid or diesel-generators.

PRAG Energier Essential integrated multiple functions, including a powerful battery charger, true sine wave inverter and a high speed automatic transfer switch. Its distinguishing surge capability makes it capable to power most demanding appliances, such as air conditioner, water pump, washing machine, freezer etc.
PRAG Energier Essential has some distinguished features designed especially for African,Middle East and South East Asian countries where the grid was not stable and low voltage was frequently encountered. Energier Essential can maximize the usage of grid and automatically adjust its charging in accordance with the setting.

  • Bi directional inverter with pure sine wave output
  • Can be applied for power backup and solar hybrid system
  • High performance designed for all kinds of home appliances
  • TBB premium II multi stage charging algorithm with built in
  • Automatic temperature compensation
  • Equalization charging program was available
  • Compatible with majority of cheap generators in the market
  • Designed to work with weak grid
  • Designed for tropical region with working temperature up to 60℃
  • Optional CM was available for automatic generator start
  • Dry contacts
  • Optional SNMP card for remote internet acces

Buy this product through any of the following:

  • Telephone Order – Call 0803 2170 129
  • PRAG Showrooms (Lagos, Port Harcourt or Abuja) Click Here
  • Order from KONGA Click Here
  • Order from JUMIA Click Here

Additional information

Weight 22.5 kg

Price Option

4KW-48V ADV   + AC/DC Cables = N237,300

4KW-48V ADV   + AC/DC Cables + Installation = N280,800

4KW-48V ADV   + AC/DC Cables + Installation + 8 Batteries/Rack

  • + Standard Battery = N1,481,600
  • + Premium Battery = N1,508,600
  • + Premium Plus Battery = N1,549,600

4KW-48V ADV   + AC/DC Cables + Installation + 8 Batteries/Rack + 15 Mono Solar Panels

  • + Standard Battery = N2,967,600
  • + Premium Battery = N2,994,600
  • + Premium Plus Battery = N3,045,600

4KW-48V ADV   + AC/DC Cables + Installation + 8 Batteries/Rack + 15 Mono Solar Panels + Remote Meter

  • + Standard Battery = N2,977,600
  • + Premium Battery = N3,004,600
  • + Premium Plus Battery = N3,045,600

Standard Battery = 12V|200AH PRAG AGM Standard Battery
Premium Battery = 12V|200AH PRAG AGM Premium Battery
Premium Plus Battery = 12V|200AH PRAG AGM Premium + Battery


Model No. 48Vdc CS4040S
Nominal Voltage  48Vdc
power 30mins @25℃ (W) 4000
Cont.power@25℃ (W) 3600
Cont.power@40℃ (W) 3000
Cosφ 0.9-1
Surge 300%
Output voltage 230VAC ± 2%
Output frequency 50Hz or 60Hz ± 0.1%
Efficiency (MAX.) 12Vdc 88%
24Vdc 88%
48Vdc 92%


UPS mode 184VAC-264VAC
GEN mode 160VAC-280VAC
Crest factor 3:1
THD <3%
Zero load power 62
Zero load power (power save mode) 15
Output circuit breaker 30A
Overheat protection auto disconnect
Overload protection auto disconnect
shortcut protection auto disconnect
Nominal Output Voltage 12Vdc, 24Vdc, 48Vdc
Max Output current (A) – adjustable 80/40
AC Input range UPS mode 184VAC – 264VAC
GEN mode 160VAC – 280VAC
Battery types AGM / GEL / LFP / Flooded
Absorption time variable
Temperature compensation -4mV/℃/cell
Charger circuit breaker 30A
Other Data
Transfer time UPS mode 15ms
GEN mode 2s
Transfer switch 40A
Battery connector M8 x 2
AC connector Terminal block (M3 screw)
Mechanical Data
Enclosure Steel with powder paint
Dimension (mm) 512x216x176
Net Weight (kgs) 22.5
Cooling Forced fan
Protection IP20
Safety EN60950-1
EMC EN55022,EN55024
Call Now Button
WhatsApp chat