Description

AKAIYAI A51R100-B 51.2V 5.12kWh Lithium Battery

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