SKU: RL-SOL-147 // SUBSYSTEM: Deep-Cycle LiFePO4, MPPT & Inverters ● COMING SOON — REGISTER INTEREST

JA Solar DeepBlue 4.0 Pro (JAM54D41-440/LB) 440W N-Type Bifacial Dual-Glass Commercial 4-Panel 1.76kWp Kit + MC4 Harness (RL-SOL-147)

4× 440W (1.76kWp) N-Type Bycium+ 16BB bifacial dual-glass commercial modules with up to 20% rear-albedo gain, 6mm² TUV solar cable & Staubli MC4 connectors.

Commercial Price: Price confirmed at launch

Verified Engineering Specifications & Architecture

4x JA Solar DeepBlue 4.0 Pro JAM54D41-440/LB (440Wp STC per panel, 1.76kWp total array; 22.5% efficiency; N-Type Bycium+ 108 half-cell bifacial dual-glass 1.6mm+1.6mm tempered glass; Voc 38.90V, Vmp 32.47V, Imp 13.55A; -0.29%/°C temperature coefficient; 1,500V DC IEC 61215 / 61730 certified; 25-year product & 30-year 87.4% linear power warranty); bundled with 25m 6mm² Red/Black TUV EN 50618 double-insulated solar cable, 4 pairs genuine Staubli MC4 Evo2 IP68 connectors & 32A 1000V DC rotary isolator.

72-Hour Commercial Blackout & Site Continuity Application

Delivers high-reliability winter diffuse-light and rear-surface albedo generation on commercial flat roofs, trapezoidal steel warehouse cladding, and steep 50° winter ground frames—sized to feed Victron SmartSolar 250V MPPTs, Sigenergy SigenStor, or Tesla Powerwall 3.

Independent Bench Evaluation & Commissioning Guides

Compare this unit in our head-to-head engineering evaluation: Line-Interactive Li-Ion Rack UPS vs. Online Double-Conversion vs. Hybrid Inverter/Charger or download our Printable A4 Plant-Room Commissioning SOPs.