SAJ HS2 10kW + 20kWh storage system
Product code: ME7276
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 + 20kWh storage system is a complete energy storage system with the HS2 inverter rated at 10 kW and four BU2-5.0 modules (total capacity 20 kWh). The product offers integrated BMS/PCS functions, a high degree of protection IP65, and remote communication.
Manufacturer Information
SAJ is a provider of integrated energy storage solutions, offering the HS2 series as modular systems intended for home and outdoor installations. The company ensures compliance with standards and a range of communication options.
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: 4 × BU2-5.0 (total 20 kWh)
- Max charging/discharging current of the battery: 30 A / 30 A
- Max efficiency: 98.0%
- Protections and features: integrated AC/DC protections, islanding protection, optional AFCI and RSD
Mechanical and environmental parameters
- Protection degree: IP65
- Dimensions (H × W × D): 450 × 626 × 365 mm
- Weight: 32 kg
- Operating temperature range: -10 °C to +50 °C (derating above 45 °C)
- Cooling: natural convection
- Humidity: 0–100% without condensation
- Mounting height: up to 4000 m (derating above 3000 m)
- Noise level: <35 dBA
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