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.
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.
✅ 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
✔ 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
🔹 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
We offer competitive wholesale pricing, OEM/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 |
UNIT A17, 29/F., LEGEND TOWER, NO.7 SHING YIP STREET, KWUN TONG, KOWLOON, HONG KONG 999077
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