7.5kWh Powerwall Lithium Battery 51.2V 150Ah

Model: 51.2V 150AH 7680WH

The Powerwall Lithium Battery uses EVE and BYD battery cells, which are in high reliability and have long service time with 5 capacity options: 2.5kwh 5kwh 7.5kwh 10kwh, and 15kwh. The Battery built-in BMS protection supports simultaneous communication and docking with multiple inverter brands.

Many solar product agents and energy storage system distributors, wholesalers, and retailers place orders from us once and once again for the power wall lithium batteries.

7.5kWh Powerwall Lithium Battery | 51.2V 150Ah | Premium Grade A LiFePO4 Cells | Commercial Energy Storage Solution

High-Capacity Lithium Battery for Solar & Off-Grid Systems

Our 7.5kWh Powerwall Lithium Battery (51.2V 150Ah) delivers premium energy storage for commercial solar installations and large-scale backup power needs. Engineered with Grade A LiFePO4 cells, this high-capacity battery offers exceptional performance, safety, and longevity – making it ideal for B2B buyers, solar integrators, and energy storage distributors.

Power Wall Lithium Battery Power Wall Lithium Battery Power Wall Lithium Battery

Key Features & Benefits

✅ 7.5kWh (7680Wh) Energy Capacity – Extended runtime for demanding applications
✅ 150Ah High Capacity – Ideal for 48V solar systems and hybrid inverters
✅ Grade A LiFePO4 Cells – Superior quality with stable performance
✅ 6,000+ Deep Cycles – At 80% Depth of Discharge (DoD)
✅ Smart BMS Protection – Overcharge/discharge, short-circuit, temperature control
✅ Wide Operating Range – -20°C to 60°C (-4°F to 140°F)
✅ Maintenance-Free – No watering or regular servicing required

Ideal Commercial Applications

✔ Solar Energy Storage Systems – Store excess solar generation
✔ Commercial Backup Power – Critical infrastructure protection
✔ Off-Grid Installations – Remote sites and telecom towers
✔ Microgrid Solutions – Community energy projects
✔ Industrial Power Systems – Manufacturing and agricultural use

Competitive Advantages

🔹 Higher Energy Density – More power in compact footprint
🔹 Longer Service Life – 3-5x longer than lead-acid batteries
🔹 Enhanced Safety – Thermal runaway protection
🔹 Smart Monitoring – Real-time performance tracking
🔹 Quick ROI – Lower total cost of ownership

B2B Purchase Options Available

We offer competitive wholesale pricingOEM/ODM services, and custom configuration options for solar distributors and commercial buyers.

Contact our sales team today for volume discounts and technical support!

Electrical Characteristics Nominal Voltage 51.2V
Nominal Energy 150Ah (C5, 25℃)
Energy 7680Wh
Internal Resistance ≤500mΩ
Cycle Life >6000 cycles @0.2C
Months Self Discharge <3%
Efficiency of Charge 100% @0.2C
Efficiency of Discharge 96~99% @1C
Standard Charge Charge Voltage 58.4±0.2V
Charge Mode 0.2C to 29.2V, then 29.2,charge current 0.02C(CC/CV)
Charge Current 20A
Max. Charge Current 50A
Charge Cut-off Voltage 59.2V±0.2V
Standard Discharge Continuous Current 100A
Max. Pulse Current 150A(<3S)
Discharge Cut-off Voltage 43.2V
Environmental Charge Temperature 0 ℃ to 45 ℃(32F to 113F)@60+25% Relative Humidity
Discharge Temperature  -20 ℃ to 60 ℃(-4F to 140F)@60+25% Relative Humidity
Storage Temperature 0 ℃ to 40 ℃(32F to 104F)@60+25% Relative Humidity
Water Dust Resistance
Mechanical Cell & Method 13161227-3.2V50AH-16S3P
Plastic Case 6U standard case
Dimensions(in./mm.) 482*500*270 mm
Weight (lbs./kg.) 65Kg
Terminal 100A Connector
Protocol (optional) RS485/CAN
BMS 16S100A

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