SAKO Alpha ESS 300W Energy Storage System

SAKO Alpha ESS 300W Energy Storage System price in Bangladesh

The SAKO Alpha ESS 300W 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.

Key Features

1. 300W Pure Sine Wave Output – Stable and safe for sensitive electronics
2. High-Capacity Lithium Iron Battery (1004.8Wh, 314Ah) – Long-lasting, reliable performance
3. Dual Charging – Supports up to 400W charging from solar panels and AC utility
4. Advanced Protections – Safeguards against overcharge, over-discharge, short-circuit, overcurrent, and overheating
5. Smart Indicators – LED status lights for SOC (battery level) and system status
6. Silent & Efficient – Operates at <40dB noise level, suitable for indoor use
7. Versatile Outputs – USB, DC power jacks, and AC output for multiple device compatibility

Technical Specifications

Inverter / Charger

1. Rated AC Output Power: 300W
2. Output Voltage Waveform: Pure Sine Wave
3. Output Voltage: 185~230VAC, 50Hz
4. Charging Power (Utility + Solar): Max. 400W
5. AC Charging Power: Max. 300W

Battery (Lithium Iron Phosphate)

1. Capacity: 1004.8Wh
2. Nominal Voltage: 3.2Vdc
3. Typical Capacity: 314Ah
4. Max Charge/Discharge Current: 130A
5. Voltage Range: 2.8Vdc–3.6Vdc

Solar Input

1. Nominal PV Voltage: 30Vdc
2. MPPT Voltage Range: 10Vdc–50Vdc
3. Max PV Open Circuit Voltage: 60Vdc
4. Max Solar Charging Power: 300W

AC Input

1. Nominal Voltage: 230Vac
2. Input Range: 90Vac ~ 280Vac
3. Max Input Voltage: 300Vac
4. Frequency: 45~65Hz

Output & Ports

1. DC Output Power: 12V / 60W Max
2. Ports:
3. 1 × USB (5V/2A)
4. 2 × DC Power Jack (12V/2A, 5.5×2.1mm)

Protections

1. Overcharge / Overdischarge
2. Overcurrent
3. Short-circuit
4. Overtemperature

Environmental

1. Noise: <40dB @1m
2. Working Temperature: -10°C ~ +50°C
3. Humidity: 0~95% (non-condensing)
4. Altitude: ≤2000m

Why Choose the SAKO Alpha ESS 300W?

1. Reliable 300W backup power for essential devices
2. Integrated lithium battery with long cycle life
3. Solar-ready with efficient MPPT technology
4. Compact, quiet, and safe – perfect for home, office, or outdoor power supply