SAJ HS2 10kW + 25kWh storage system
Product code: ME7277
Shipping costs are not included in the price.
Shipping costs are not included in the price.
Shipping & Returns
Master Energy | Master Investment Sp. z o.o.
1. Right of Return (14 Days)
Individual consumers (B2C) have the right to withdraw from the contract and return purchased items within 14 calendar days from delivery without stating a reason.
2. How to submit a return or claim?
- 📧 E-mail: pv@masterenergy.eu
- 📞 Phone: +48 884 570 201
- 🏢 Registered Address: Master Investment Sp. z o.o., Rondo ONZ 1, 00-124 Warsaw, Poland (VAT ID: PL7010345632)
3. Complete terms and conditions
Detailed freight information, pallet shipping methods, and B2B commercial terms are available at our dedicated information page:
Payment methods
Instant Payments
You can pay for your order immediately using any available payment method. All payment data is encrypted and secured by an SSL certificate.
- Credit & Debit Cards – Visa and Mastercard, processed securely by Stripe.
- Apple Pay – convenient digital wallet checkout in one tap on Apple devices.
- Google Pay – seamless payment with stored cards in Google Wallet.
- BLIK – 6-digit code authorization (available for Polish transactions).
- PayPo – buy now, pay in 30 days or in flexible installments.
- Klarna – buy now, pay in 30 days without extra fees.
- Instant Bank Transfer – automated bank transfer through PayU.
- PayPal – secure multi-currency payment directly from your PayPal account.
Traditional Payments
- Bank Transfer – direct wire transfer to our bank account. Proforma invoice and details are sent by email.
- Cash on Delivery – pay the courier upon package delivery (maximum 10,000 PLN per order).
Installments
PayU Installments – split your order into manageable monthly payments with an instant online application process.
Ask about the product
Administratorem danych osobowych jest Master Investment sp. z o.o.. Przetwarzamy je w celu przesłania odpowiedzi na zapytanie. Więcej informacji dotyczących przetwarzania danych osobowych znajduje się w polityce prywatności.
Description
SAJ HS2 10kW + 25kWh storage system is a modular energy storage system consisting of the HS2 10 kW inverter and five BU2-5.0 modules (total capacity 25 kWh). The device is intended for outdoor installations, offers fast UPS switching, and advanced protections.
Manufacturer Information
SAJ provides integrated HS2 solutions, combining the inverter, battery management system, and modular battery in a weather-resistant housing. SAJ products meet industry standards and offer connectivity options for monitoring.
Electrical and technical parameters
- AC power (on-grid): 10,000 W
- Maximum PV input power: 15,000 Wp
- Maximum DC voltage: 1000 V
- MPPT voltage range: 180–900 V
- Rated DC Voltage: 600 V
- Battery type: LiFePO4
- Storage configuration in this set: 5 × BU2-5.0 (total 25 kWh)
- Max charging/discharging current: 30 A / 30 A
- Max efficiency: 98.0%
- Interfaces and protections: MC4/D4 PV, plug-in AC, fast battery connector, integrated AC/DC protections, optional AFCI/RSD
Mechanical and environmental parameters
- Protection degree: IP65
- Dimensions (H × W × D): 450 × 626 × 365 mm
- Weight: 32 kg
- Operating temperature: -10 °C to +50 °C (derating above 45 °C)
- Cooling: natural convection
- Humidity: 0–100% non-condensing
- Height: up to 4000 m (derating above 3000 m)
- Noise: <35 dBA
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