BigBattery ETHOS Expansion Kits Product Summary: The ETHOS 2X Expansion Kit adds two additional ETHOS battery modules to your existing system, expanding your storage capacity to 10.24kWh. Built for seamless integration, this kit gives you more runtime, greater flexibility, and the same reliable performance backed by BigBattery’s 12-Year Warranty. Kits Includes ETHOS 2x Expansion Kit 2 × 48V ETHOS 5.12kWh Stackable Battery Module – FETHS-48051-G11 × ETHOS RACK BASE – CNT0812 × Ethos Parallel Power Cable 4.9 ft (1500mm) – CBL0891 × Ethos Parallel Comm Cable 4.9 ft (150cm) – CBL096 ETHOS 3x Expansion Kit 3 × 48V ETHOS 5.12kWh Stackable Battery Module – FETHS-48051-G11 × ETHOS RACK BASE – CNT0812 × Ethos Parallel Power Cable 4.9 ft (1500mm) – CBL0891 × Ethos Parallel Comm Cable 4.9 ft (150cm) – CBL096 Downloads & Specifications Battery Specifications GTIN-12 (U.P.C.):850061252173 System Voltage:48V Nominal Voltage:51.2V Chemistry:LiFePO4 kWh Capacity:10.24kWh Ah Capacity:200Ah Charging Voltage Range:55.6 – 57V Max Charge Voltage:57V Operating Voltage Range:48 – 57V Suggested Low Voltage Cutoff:48 – 50.8V BMS Cutoff Range:42 – 47V Cell Configuration:16S 2P Max Continuous Discharge Current:200A Max Continuous Power:10240W Max Discharge Peak Current:300A (Max 5 seconds) Max Charge Current:200A Charge Temperature Range:32°F – 113°F (0°C – 45°C) Discharge Temperature Range:-4°F – 140°F (-20°C – 60°C) Optimal Discharge Temperature Range:59°F – 95°F (15°C – 35°C) Storage Temperature Range (SoC >50%):-4°F – 113°F (-20°C – 45°C)(Max 6 months) Weight:273 lb (123.8 kg) Depth:6.7 in (170 mm) Width:26.5 in (674 mm) Height:43.3 in (1100 mm) Max Connections:Up to (16) parallel connections per control box Protection Rating:IP65 / NEMA 4X Communications:CANBus / RS485 Certifications:UL9540A, UL1973, & UN38.3 Battery Downloads SKU#:K0698, K0699 Spec Sheet:DOWNLOAD User Manual:DOWNLOAD UL9540A Certificate:DOWNLOAD UL1973 Certificate:DOWNLOAD UN38.3 Certificate:DOWNLOAD Safety Data Sheet:DOWNLOAD CEC Listing- BigBattery ETHOS:GO TO LINK Warranty BigBattery batteries are backed by a 12-year warranty, giving you reliable long-term performance and confidence in every charge. Designed for durability and engineered to last, our batteries are built to power your setup for over a decade. For more information, please visit our policy page
