Model: AKAIYAI A51R100-B 51.2V Lithium Battery
Nominal Voltage: 51.2 V DC
Nominal Capacity: 100 Ah
Usable Energy: 5.12 kWh per module
Chemistry: LiFePO₄ (Lithium Iron Phosphate) — stable, safe, long-lasting
105,000৳ Original price was: 105,000৳ .95,000৳ Current price is: 95,000৳ .





AKAIYAI A51R100-B 51.2V 5.12kWh Lithium Battery — Rack-Mount/Modular Solar Energy Storage Solution
The AKAIYAI A51R100-B is a compact, modular lithium-iron-phosphate (LiFePO₄) energy storage battery designed for residential and light-commercial solar power systems, off-grid ventures, or hybrid backup installations. Each module delivers 5.12 kWh of usable energy at a nominal 51.2 V and 100 Ah, making it ideal for small-to-medium solar storage needs, backup power, or energy-shifting applications.
With robust internal protection via a built-in Battery Management System (BMS), communication interfaces (CAN / RS485 / RS232), and solid metal rack-mount design, this battery is optimized for reliability, safety, and seamless integration with most hybrid inverters and energy management systems. Units can be combined (parallel connection) to expand storage capacity, offering flexibility and scalability as your energy needs grow.
AKAIYAI A51R100-B 51.2V 5.12kWh Lithium Battery Whether you’re building a solar-PV + battery system for your home, a small shop, or an off-grid setup, the AKAIYAI A51R100-B offers dependable LiFePO₄ performance, efficient storage, and modular expandability — all in a compact, rack-friendly form factor.
Ultimate AKAIYAI A51R100-B 51.2V 5.12kWh LiFePO₄ Battery – Reliable & Long-Lasting Solar Backup Power
| Model | A51R100-B |
| Nominal Voltage | 51.2V |
| Capacity | 100Ah |
| Energy | 5120Wh(25℃,0.2C) |
| Internal Resistance | ≤10mΩ@50%SOC |
| Cycle life | ≥6000(@25℃,0.5C/0.5C70EOL) |
| Months Self Discharge | <3% |
| Efficiency of Charge | 100%@0.5C |
| Efficiency of Discharge | 96%-99%@0.5C |
| Standard Charge | |
| Charge Mode | CC:0.5C 56.8V CV:58.4V |
| Continuous Current | 50A |
| Recom.Charge Current | 20A |
| Max.Charge Current | 50A |
| Charge Cut-off Voltage | 58.4V |
| Standard Discharge | |
| Continuous Current | 100A |
| Recom.Discharge Current | 50A |
| Max.Disharge Current | 100A |
| Discharge Cut-off Voltage | 44.8V |
| Environmental | |
| Charge Temperature | -10~55℃@60±25%Relative Humidity |
| Discharge Temperature | -20~55°℃@60±25%Relative Humidity |
| Storage Temperature | 0~30℃@60±25%Relative Humidity |
| IP Grade | IP20 |
| Mechanical | |
| Cell&Method | 3.2V100AH 16S1P |
| Metal Case | Metal |
| Metal Dimensions(mm) L*W*H | 420*440*132mm |
| Weigh (kg) | 43.5 |
| Terminal | M5 |
| Communication | RS485 RS232 CAN |
| BMS | 16S100A |
| Parallel | Upto 16 units |
