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AKAIYAI 409V 100Ah 41kWh C-ESSAKY40K-H High Voltage LiFePO4 Battery

Brand: AKAIYAI

Updated

AKAIYAI Batteries

Specifications

General

Parameter Value
System Model C-ESSAKY40K-H
Usable energy (90% DOD) 37.58 kWh
Rated energy 41.6 kWh
Cycle life ≥6000 (25℃, 0.5C/0.5C, 90%DOD, 80%EOL)
Humidity 10% – 95% RH
Communication CAN / RS485 / WiFi
Enclosure protection rating IP20
Cooling Natural cooling
Operating Temperature -20 ~ 55℃
Short circuit protection Yes
Over current protection Yes
Over charge/discharge protection Yes
Over temperature protection Yes
Certifications IEC62619 / CE / UN38.3, MSDS
Module Model 51A100KYS
Control box 51A100PDU
Single Module Energy 5.22 kWh
LiFePO4 Chemistry Delivers high thermal stability, safety, and a long cycle life of ≥6,000 cycles.
Modular Design 5.22kWh battery packs allow for easy installation and flexible capacity expansion from 20.8kWh to 52kWh.
Intelligent BMS Specially designed Battery Management System with three-level over-current protection ensures safe and reliable operation.
Wide Inverter Compatibility RS485/CAN communication protocol is compatible with most mainstream inverter brands in the market.
Natural Cooling Efficient thermal management without the need for active fans, reducing maintenance and energy consumption.
Real-Time Data Monitor battery SOC, SOH, voltage, current, and temperature via compatible inverter platforms or dedicated monitoring systems.
Smart O&M RS485/CAN communication enables remote diagnostics and firmware updates.
WiFi Connectivity Supports wireless monitoring for easy access to system data.
Alarm Management Integrated BMS provides detailed protection and alarm reporting for proactive maintenance.

Dimensions

Weight 404.5 kg
Single Module Net Size (L*W*H) 540 * 492 * 168.5 mm
Single Module Packing Size (L*W*H) 622 * 567 * 230 mm
Single Module Net/Gross Weight 47.5 KG / 51.5 KG

Power

Number of battery packs 8
Rated voltage 409.6 V
Charging / Discharging current 50 A / 100 A
Voltage range 364.8 – 454.4 V
Over voltage protection Yes
Under voltage protection Yes
Single Module Rated voltage 51.2 V
Battery Module Ports Power terminals for series connection between modules.
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Prices seen in Bangladesh

SellerPriceSeen on
SOLAR BD Shop ৳1,012,000 October 30, 2026

Prices as published by each seller on the date shown. They change often; confirm with the seller before you buy.

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