SAKO Alpha ESS 3KVA Energy Storage System price in Bangladesh
The SAKO Alpha ESS 3KVA Energy Storage System is a compact and powerful backup solution designed for homes, offices, and outdoor activities. Featuring a pure sine wave inverter, high-capacity lithium iron battery, and dual charging support (solar + utility), this system ensures reliable and clean power whenever you need it. With smart protections and quiet operation, it’s ideal for emergencies, solar integration, and portable energy needs.
Special Features
- Portable Power Station, high capacity in compact size.
- Pure sinewave AC output with Lithium-ion battery bank.
- Power 99% of your home appliances.
- Scalable output power from 1K to 3K
- 60A-80A built-in AC and Solar charger.
- Super-fast recharge, 0-90% in one hour.
- 3 AC outlets, 4 DC outputs, terminal block for 1K/3K.
- Dual inputs, grid and solar.
- Built-in battery management system (BMS).
Key Features
- 2400W Pure Sine Wave Output – Stable and safe for sensitive electronics
- High-Capacity Lithium Iron Battery (2560Wh, 100AH) – Long-lasting, reliable performance
- Dual Charging – Supports solar panels and AC utility
- Advanced Protections – Safeguards against overcharge, over-discharge, short-circuit, overcurrent, and overheating
- Smart Indicators – LED status lights for SOC (battery level) and system status
- Silent & Efficient – Operates at <40dB noise level, suitable for indoor use
- Versatile Outputs – USB, DC power jacks, and AC output for multiple device compatibility
Technical Specifications
Inverter / Charger
- Inverter Type: 3KVA / 24V
- Rated Output Power: 2.7KW
- Output Voltage Waveform: Pure Sine Wave
- Output Voltage: 230Vac 50Hz
- Low DC Warning Voltage: 23.8Vdc
- Low DC Cut-off Voltage: 23.4Vdc
- Low DC Warning Return Voltage: 24Vdc
- Charging Current (Utility & Solar together): 80A Max.
- Bulk Charging Voltage: 28.8Vdc
- Float Charging Voltage: 28Vdc
AC Input
- Nominal Input Voltage: 230Vac
- Low Loss Voltage: 170Vac ±7 (UPS), 90Vac ±7 (Appliances)
- Low Loss Return Voltage: 180Vac ±7 (UPS), 100Vac ±7 (Appliances)
- High Loss Voltage: 280Vac ±7
- High Loss Return Voltage: 270Vac ±7
- Max. AC Input Voltage: 300Vac
- Nominal Input Frequency: 50Hz / 60Hz (Auto detection)
- AC Charging Current: 60A Max.
Solar Input
- Nominal PV Voltage: 240Vdc
- PV Array MPPT Voltage Range: 30Vdc ~ 350Vdc
- Max. PV Array Open Circuit Voltage: 400Vdc
- Solar Charging Current: 60A Max.
Battery (Lithium Iron Phosphate)
- Capacity: 2560Wh
- Nominal Battery Voltage: 25.6Vdc
- Typical Capacity: 100Ah
- Max. Charge Current: 50A
- Max. Discharge Current: 100A
Protections
- Overcharge protection
- Overdischarge protection
- Overcurrent protection
- Short-circuit protection
- Overtemperature protection
Environmental
- Noise: <40dB @1m
- Working Temperature: -10°C ~ +50°C
- Humidity: 0~95% (non-condensing)
- Altitude: ≤1500m
Dimension & Weight
- L × W × H (Product size): 450 × 279 × 731 mm
- L × W × H (Package size): 535 × 364 × 816 mm
- Weight (NW Kg): 42.0 Kg
- Weight (GW Kg): 47.0 Kg
Sako Alpha ESS 3KVA All-In-One Portable Power Station System is a powerful and reliable solution designed to deliver uninterrupted backup power for residential and small commercial applications. With a high-performance pure sine wave inverter and integrated energy storage, it ensures stable, clean, and safe electricity for sensitive and heavy-duty appliances alike. This all-in-one system features advanced solar and AC charging capabilities, intelligent power management, and seamless compatibility with grid, solar, and generator inputs. Its compact design, high efficiency, and built-in protection mechanisms make the Sako Alpha ESS 2700W an ideal choice for dependable energy independence, daily backup power, and sustainable solar energy solutions.

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