Key Features
- Microprocessor-based Digital Control
- Wide Input Voltage and Frequency Range
- Line Interactive Output – safer for equipment)
- Self detection of input Frequency
- Battery Self Diagnosis
- Full AVR Function
For product bulk purchase, please contact us or chat directly with the Vendor.
Original price was: $415.00.$410.00Current price is: $410.00.
The Blue Gate BG4000 4.0KVA UPS is a reliable line-interactive uninterruptible power supply designed for homes and offices. It features a 4000VA capacity, pure sine wave output, automatic voltage regulation, and multiple protection systems against overload, surges, and short circuits. With a backup time of up to 45 minutes on half load, it uses two 12V/9AH batteries and supports quick recharging. Ideal for protecting sensitive electronics, it offers smart digital control, audible alarms, and optional communication ports like USB or SNMP.
Delivery times range from 0 days up to 21 days, depending on the vendor and the customer's location. Check vendor's shipping locations in the tab below
0-21 Days
For details about return and refund options, please visit - Comilmart Return Policy
7 days Return Guaranteed
Comilmart protects all your orders placed and paid on the platform with

For use in offices and homes, the Blue Gate range of line interactive UPS with provide power backup for your precious appliances appliances and also give them protection. The Blue Gate 4000VA (4kVA) UPS is a sizable capacity to provide power backup for your office or home. Appliances you can power and protect with the Blue Gate 4000VA UPS include: computers, printers, work stations, etc, for the office environments and electronics and home appliances at home.
With Blue Gate 4000VA UPS, you get uninterupted power supply to keep your devices running and safe.
The Blue Gate 4000VA capacity (model BG4000), is estimated to deliver 20 minutes backup at full load and about 45 minutes backup at half load.
| INPUT | ||||||
| Voltage | 150V -270V | |||||
| frequency | 48Hz – 60Hz | |||||
| OUTPUT | ||||||
| Output Voltage | 220V ± 10% | |||||
| Low Battery Automatic cutoff & Automatic restart | Yes | |||||
| BATTERY | ||||||
| Type | Sealed VRLA maintenance free | |||||
| Back-up Time-fully charged | Full load (min) | 20 | ||||
| Half load (min) | 45 | |||||
| Configuration | 2*12V/9AH | |||||
| Recharge Time | 90% capacity after 8hours | |||||
| SYSTEM | ||||||
| Transfer time | ≤10ms | |||||
| Audible Alarm | Battery Discharge | Sounding 4sec after mains failure | ||||
| Battery protection | Continuously | |||||
| Surge and Noise protection | Yes | |||||
| Temperature | 0⁰C —40⁰C | |||||
| Relative Humidity | 0 – 90% (Non-condensing) | |||||
| Acoustic Noise | Less than 50dB at 1m | |||||
| PHYSICAL | ||||||
Shipping States: Bayelsa (Nigeria), Enugu (Nigeria), Ebonyi (Nigeria), Imo (Nigeria), Delta (Nigeria), Anambra (Nigeria), Abia (Nigeria)
Ready to ship in 1-2 business days from Nigeria
Shipping Policy
Please check Comilmart Shipping policy for more information.
Refund Policy
You can make a return by following these steps:
I. Please go to your Comilmart account on Comilmart.com or on the app to request a refund. If you do not have a Comilmart account, please click on "Save your Order" in your Comilmart order email to make a return.
Only logged in customers who have purchased this product may leave a review.
In stock
Original price was: $3.00.$2.67Current price is: $2.67.In stock
Original price was: $81.00.$79.75Current price is: $79.75.In stock
Original price was: $58.90.$56.00Current price is: $56.00.In stock
Original price was: $5.10.$5.00Current price is: $5.00.In stock
Original price was: $36.99.$31.26Current price is: $31.26.In stock
Original price was: $133.12.$130.17Current price is: $130.17.At Comilmart, each vendor operates independently and may have their own Return & Refund Policy. We encourage customers to review the individual vendor’s policy before making a purchase.
Where applicable, you have the right to request a cancellation or return within 7 days of receiving your order, provided the item is returned in its original, unused condition, including all original packaging, accessories, and documentation.
The 7-day cancellation period begins on the date you, or a third party nominated by you (other than the delivery carrier), takes possession of the goods.
To request a cancellation or return, please notify us clearly by any of the following methods:
Email: contact@comilmart.com
Customer Support: +234 707 882 3878 (Call, WhatsApp, or Live Chat)
Once your request is received, our Customer Support Team will review it in accordance with the applicable vendor’s Return & Refund Policy and guide you through the next steps.
Comilmart is committed to providing a fair, transparent, and secure marketplace for both buyers and vendors while ensuring that all return and refund requests are handled promptly and professionally.
Important: As a multivendor marketplace, Comilmart facilitates transactions between buyers and independent vendors. While we assist in resolving disputes and ensuring compliance with marketplace policies, the final approval of returns and refunds is subject to the applicable vendor’s Return & Refund Policy and Comilmart’s Marketplace Terms & Conditions.
For more about our return and refund policy, please click here
In stock
Original price was: $16.00.$13.50Current price is: $13.50.In stock
Original price was: $14.00.$12.50Current price is: $12.50.In stock
Original price was: $12.00.$10.00Current price is: $10.00.In stock
Original price was: $15.00.$11.50Current price is: $11.50.In stock
Original price was: $120.00.$116.00Current price is: $116.00.In stock
Original price was: $910.00.$905.00Current price is: $905.00.In stock
Original price was: $650.00.$640.00Current price is: $640.00.In stock
Original price was: $135.00.$130.00Current price is: $130.00.In stock
Original price was: $85.00.$81.50Current price is: $81.50.In stock
Original price was: $56.00.$52.00Current price is: $52.00.In stock
Original price was: $535.00.$525.00Current price is: $525.00.In stock
Original price was: $128.00.$122.00Current price is: $122.00.In stock
Original price was: $34.67.$33.33Current price is: $33.33.In stock
Original price was: $12.80.$12.50Current price is: $12.50.In stock
Original price was: $18.50.$18.20Current price is: $18.20.In stock
Original price was: $1.50.$1.35Current price is: $1.35.In stock
Original price was: $3.20.$3.00Current price is: $3.00.In stock
Original price was: $16.00.$13.50Current price is: $13.50.In stock
Original price was: $14.00.$12.50Current price is: $12.50.In stock
Original price was: $12.00.$10.00Current price is: $10.00.In stock
Original price was: $15.00.$11.50Current price is: $11.50.
Reviews
Clear filtersThere are no reviews yet.