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Standard Delivery Within 5–7 Days
For Service/Customer Care 9311369797
The Rapid+ 4000/24V is a 3500VA / 2800W pure sine wave inverter for large 4BHK homes and offices with heavy loads, such as a 1.5-tonne inverter AC alongside a fridge and computers. It runs on two 12V batteries in series and has a 24×7 MCB.
Original price was: ₹26,990.00.₹19,279.00Current price is: ₹19,279.00.
The Rapid+ 4000/24V is a 3500VA / 2800W pure sine wave inverter for large 4BHK homes and offices with heavy loads, such as a 1.5-tonne inverter AC alongside a fridge and computers. It runs on two 12V batteries in series, and Invertek marks it a best-seller.
""4000"" is the model number; the rating is 3500VA. Below it, the Rapid+ 3500/24V (3150VA) covers one AC plus household loads. Above it, the 48V models start at 4750VA and use four batteries.
The 2,800 W figure is a resistive (bulb load) rating. Motors such as fridge compressors and pumps draw a short surge when they start, so count them a little heavier. Typical draws are below; check the label on your own appliances.
| Appliance | Typical running draw |
|---|---|
| Ceiling fan | 60–80 W (BLDC fan: 30–35 W) |
| LED bulb or tube | 9–20 W |
| Desktop PC with monitor | 150–300 W |
| Double-door frost-free refrigerator | 150–300 W, plus a start-up surge |
| Top-load washing machine | 300–500 W |
| Water pump (0.5 HP) | 400–600 W, with a higher start-up surge |
| 1-ton inverter AC | 700–1,000 W once running, more at start-up |
| 1.5-ton inverter AC | 1,000–1,400 W once running, more at start-up |
A working example: a 1.5-ton inverter AC (1,200 W), a fridge (200 W), six fans (420 W), twelve LED lights (120 W), a TV (100 W) and a router (10 W) come to roughly 2,050 W, about 73% of the 2,800 W rating. As a rule of thumb, keep the continuous load below about 2,240 W, which is 80% of the rating.
Heating appliances such as geysers, room heaters, induction cooktops and irons are within the rating on paper, but they empty a lead-acid battery bank in minutes. Leave them off during a power cut.
The Rapid+ 4000/24V is a 24V system, so it needs two 12V batteries connected in series. Tubular, TGEL, SMF, gel and LiFePO4 lithium all work. Connecting batteries in series raises the voltage, not the capacity: two 12V 200Ah batteries make a 24V 200Ah bank. The inverter is sold without batteries.
To estimate backup time, multiply battery volts by amp-hours, take about half of that as usable for a lead-acid battery, multiply by 0.85 for inverter losses, and divide by your load in watts. For two 12V 200Ah tubular batteries in series (4,800 Wh) that works out to about 1 hour at 2,050 W and about 1.8 hours at 1,150 W. A 25.6V 100Ah LiFePO4 battery (assuming 90% usable) gives about 1 hour at 2,050 W. These are calculations with an assumed 85% inverter efficiency, not lab measurements; heavy loads, battery age and temperature all shorten real backup.
| Model | Rated capacity | Battery voltage | Display | Suits |
|---|---|---|---|---|
| Rapid+ 3500/24V (3150VA) | 3150VA / 2520W | 24V | LCD | 3BHK and 4BHK with a 1-ton AC |
| Rapid+ 4000/24V (this model) | 3500VA / 2800W | 24V | LCD | 4BHK or office with a 1.5-ton AC |
| Rapid+ 5000/48V (4750VA) | 4750VA / 3800W | 48V | LCD | Factory and office grade (48V) |
| Rapid+ 5500/48V (5250VA) | 5250VA / 4200W | 48V | LCD | Industrial grade (48V) |
The inverter carries a 3-year (36-month) warranty. Register it on the warranty registration page after installation. Shipping is free on all orders, with standard delivery in 5–7 days. If you are unsure about sizing, call 9311369797 before you order. Invertek Energy makes its UPS range at its ISO 9001:2015 certified factory in New Delhi. Other capacities are listed in the full full Rapid+ range.
| Model Series | Rapid+ 4000/24V** |
|---|---|
| VA Rating | 3500VA/24V |
| Product Dimensions | 277x300x283 mm |
| Package Dimensions OD Size (mm) | 382x366x350 mm |
| Item Part Number | IE-SNW-INHUPS-4000-04A |
| Number of Items | 4 |
| Wattage | 2800W |
| Power Source | Inverter/ Home UPS |
| Frequencies | 50Hz |
| Manufacturer | Invertek Energy |
| Generic Name | Inverter/UPS |
| Included Components | 1 Inverter, Operating Manual, 1 Battery jointer, Silica gel |
| Item Weight | 21.525 kg |
| Package Weight | 22.948 kg |
| Country of Origin | India |
| HSN Code | 8504 |
Q: Is 4000 the VA rating of the Rapid+ 4000/24V?
No. 4000 is the model number. The Rapid+ 4000/24V is rated 3500VA / 2,800 W on a 24V battery system. When you compare it with other inverters, compare the VA, watt and battery voltage figures rather than the model number.
Q: What can the Rapid+ 4000/24V run?
It suits a 4BHK home or a larger office. For example, a 1.5-ton inverter AC (1,200 W), a fridge (200 W), six fans (420 W), twelve LED lights (120 W), a TV (100 W) and a router (10 W) come to roughly 2,050 W, about 73% of the 2,800 W rating. Keep the continuous load under about 2,240 W.
Q: Can it run a 1.5-ton AC?
It has the rating for one: a 1.5-ton inverter AC typically draws 1,000–1,400 W once running, and the 2,800 W rating leaves room for a fridge, fans, lights and a TV on top. Check your AC's label for its running and start-up wattage. Backup time on batteries will be short with an AC running.
Q: How many batteries does the Rapid+ 4000/24V need?
Two 12V batteries connected in series to make a 24V bank. Tubular, TGEL, SMF, gel or LiFePO4 all work. Series connection doubles the voltage, not the capacity: two 12V 200Ah batteries give a 24V 200Ah bank. The inverter is sold without batteries.
Q: How long will the backup last?
Backup time is usable battery watt-hours divided by your load. With two 12V 200Ah tubular batteries in series, using about half of the battery capacity and assuming 85% inverter efficiency, expect about 1 hour at 2,050 W and about 1.8 hours at 1,150 W. Switching off unused loads extends this. These are estimates, not measured results.
Q: Can I use a lithium battery with the Rapid+ 4000/24V?
Yes. It is lithium compatible, so you can fit a 25.6V LiFePO4 pack (or two 12.8V batteries in series) now or swap one in later. At full load the inverter draws roughly 115 to 135 A from the battery, so choose a battery whose BMS is rated for at least that current.
Q: How is it different from the Rapid+ 3500/24V and Rapid+ 5000/48V?
The Rapid+ 3500/24V is rated 3150VA / 2,520 W on 24V. This model is 3500VA / 2,800 W on 24V. The Rapid+ 5000/48V is 4750VA / 3,800 W on 48V and suits a factory, an office or a large commercial space.
Q: What happens if I overload the Rapid+ 4000/24V?
The 24x7 MCB trips when the load goes past the 2,800 W rating or the output is shorted. Switch off the heaviest appliances and switch the MCB back on; nothing needs replacing. Keep the continuous load under about 2,240 W to avoid nuisance trips.
Q: What warranty does it have?
3 years (36 months). Register the unit on the warranty registration page after installation. For service, call 9311369797.
Get the latest updates on new products, offers, and power tips.
The Rapid+ 4000/24V is a 3500VA / 2800W pure sine wave inverter for large 4BHK homes and offices with heavy loads, such as a 1.5-tonne inverter AC alongside a fridge and computers. It runs on two 12V batteries in series and has a 24×7 MCB.
Original price was: ₹26,990.00.₹19,279.00Current price is: ₹19,279.00.
The Rapid+ 4000/24V is a 3500VA / 2800W pure sine wave inverter for large 4BHK homes and offices with heavy loads, such as a 1.5-tonne inverter AC alongside a fridge and computers. It runs on two 12V batteries in series, and Invertek marks it a best-seller.
""4000"" is the model number; the rating is 3500VA. Below it, the Rapid+ 3500/24V (3150VA) covers one AC plus household loads. Above it, the 48V models start at 4750VA and use four batteries.
The 2,800 W figure is a resistive (bulb load) rating. Motors such as fridge compressors and pumps draw a short surge when they start, so count them a little heavier. Typical draws are below; check the label on your own appliances.
| Appliance | Typical running draw |
|---|---|
| Ceiling fan | 60–80 W (BLDC fan: 30–35 W) |
| LED bulb or tube | 9–20 W |
| Desktop PC with monitor | 150–300 W |
| Double-door frost-free refrigerator | 150–300 W, plus a start-up surge |
| Top-load washing machine | 300–500 W |
| Water pump (0.5 HP) | 400–600 W, with a higher start-up surge |
| 1-ton inverter AC | 700–1,000 W once running, more at start-up |
| 1.5-ton inverter AC | 1,000–1,400 W once running, more at start-up |
A working example: a 1.5-ton inverter AC (1,200 W), a fridge (200 W), six fans (420 W), twelve LED lights (120 W), a TV (100 W) and a router (10 W) come to roughly 2,050 W, about 73% of the 2,800 W rating. As a rule of thumb, keep the continuous load below about 2,240 W, which is 80% of the rating.
Heating appliances such as geysers, room heaters, induction cooktops and irons are within the rating on paper, but they empty a lead-acid battery bank in minutes. Leave them off during a power cut.
The Rapid+ 4000/24V is a 24V system, so it needs two 12V batteries connected in series. Tubular, TGEL, SMF, gel and LiFePO4 lithium all work. Connecting batteries in series raises the voltage, not the capacity: two 12V 200Ah batteries make a 24V 200Ah bank. The inverter is sold without batteries.
To estimate backup time, multiply battery volts by amp-hours, take about half of that as usable for a lead-acid battery, multiply by 0.85 for inverter losses, and divide by your load in watts. For two 12V 200Ah tubular batteries in series (4,800 Wh) that works out to about 1 hour at 2,050 W and about 1.8 hours at 1,150 W. A 25.6V 100Ah LiFePO4 battery (assuming 90% usable) gives about 1 hour at 2,050 W. These are calculations with an assumed 85% inverter efficiency, not lab measurements; heavy loads, battery age and temperature all shorten real backup.
| Model | Rated capacity | Battery voltage | Display | Suits |
|---|---|---|---|---|
| Rapid+ 3500/24V (3150VA) | 3150VA / 2520W | 24V | LCD | 3BHK and 4BHK with a 1-ton AC |
| Rapid+ 4000/24V (this model) | 3500VA / 2800W | 24V | LCD | 4BHK or office with a 1.5-ton AC |
| Rapid+ 5000/48V (4750VA) | 4750VA / 3800W | 48V | LCD | Factory and office grade (48V) |
| Rapid+ 5500/48V (5250VA) | 5250VA / 4200W | 48V | LCD | Industrial grade (48V) |
The inverter carries a 3-year (36-month) warranty. Register it on the warranty registration page after installation. Shipping is free on all orders, with standard delivery in 5–7 days. If you are unsure about sizing, call 9311369797 before you order. Invertek Energy makes its UPS range at its ISO 9001:2015 certified factory in New Delhi. Other capacities are listed in the full full Rapid+ range.
| Model Series | Rapid+ 4000/24V** |
|---|---|
| VA Rating | 3500VA/24V |
| Product Dimensions | 277x300x283 mm |
| Package Dimensions OD Size (mm) | 382x366x350 mm |
| Item Part Number | IE-SNW-INHUPS-4000-04A |
| Number of Items | 4 |
| Wattage | 2800W |
| Power Source | Inverter/ Home UPS |
| Frequencies | 50Hz |
| Manufacturer | Invertek Energy |
| Generic Name | Inverter/UPS |
| Included Components | 1 Inverter, Operating Manual, 1 Battery jointer, Silica gel |
| Item Weight | 21.525 kg |
| Package Weight | 22.948 kg |
| Country of Origin | India |
| HSN Code | 8504 |
Q: Is 4000 the VA rating of the Rapid+ 4000/24V?
No. 4000 is the model number. The Rapid+ 4000/24V is rated 3500VA / 2,800 W on a 24V battery system. When you compare it with other inverters, compare the VA, watt and battery voltage figures rather than the model number.
Q: What can the Rapid+ 4000/24V run?
It suits a 4BHK home or a larger office. For example, a 1.5-ton inverter AC (1,200 W), a fridge (200 W), six fans (420 W), twelve LED lights (120 W), a TV (100 W) and a router (10 W) come to roughly 2,050 W, about 73% of the 2,800 W rating. Keep the continuous load under about 2,240 W.
Q: Can it run a 1.5-ton AC?
It has the rating for one: a 1.5-ton inverter AC typically draws 1,000–1,400 W once running, and the 2,800 W rating leaves room for a fridge, fans, lights and a TV on top. Check your AC's label for its running and start-up wattage. Backup time on batteries will be short with an AC running.
Q: How many batteries does the Rapid+ 4000/24V need?
Two 12V batteries connected in series to make a 24V bank. Tubular, TGEL, SMF, gel or LiFePO4 all work. Series connection doubles the voltage, not the capacity: two 12V 200Ah batteries give a 24V 200Ah bank. The inverter is sold without batteries.
Q: How long will the backup last?
Backup time is usable battery watt-hours divided by your load. With two 12V 200Ah tubular batteries in series, using about half of the battery capacity and assuming 85% inverter efficiency, expect about 1 hour at 2,050 W and about 1.8 hours at 1,150 W. Switching off unused loads extends this. These are estimates, not measured results.
Q: Can I use a lithium battery with the Rapid+ 4000/24V?
Yes. It is lithium compatible, so you can fit a 25.6V LiFePO4 pack (or two 12.8V batteries in series) now or swap one in later. At full load the inverter draws roughly 115 to 135 A from the battery, so choose a battery whose BMS is rated for at least that current.
Q: How is it different from the Rapid+ 3500/24V and Rapid+ 5000/48V?
The Rapid+ 3500/24V is rated 3150VA / 2,520 W on 24V. This model is 3500VA / 2,800 W on 24V. The Rapid+ 5000/48V is 4750VA / 3,800 W on 48V and suits a factory, an office or a large commercial space.
Q: What happens if I overload the Rapid+ 4000/24V?
The 24x7 MCB trips when the load goes past the 2,800 W rating or the output is shorted. Switch off the heaviest appliances and switch the MCB back on; nothing needs replacing. Keep the continuous load under about 2,240 W to avoid nuisance trips.
Q: What warranty does it have?
3 years (36 months). Register the unit on the warranty registration page after installation. For service, call 9311369797.
Get the latest updates on new products, offers, and power tips.
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