AoKu AK-LFPM-RM Series 19-Inch Rack-Mounted LiFePO4 Lithium Battery Pack (25.6V & 51.2V | 2.56kWh - 10.24kWh)
AoKu AK-LFPM-RM Series 19-Inch Rack-Mounted LiFePO4 Lithium Battery Pack (25.6V & 51.2V | 2.56kWh - 10.24kWh)
The AoKu AK-LFPM-RM Series (25.6V 100Ah/200Ah & 51.2V 100Ah/200Ah | 2.56kWh - 10.24kWh) is a 3U/4U standard 19-inch rack-mounted LiFePO4 battery pack. Features 6000+ deep cycles, Smart BMS with optional 0.1-5A active cell balancing, 16-unit parallel expansion up to 163.84kWh, front LCD display screen, and multi-protocol CAN/RS485/RS232 inverter compatibility for telecom base stations, data centers, and C&I solar ESS.
KEY FEATURES & BENEFITS
📦 Standardized 3U/4U 19-Inch Server Rack-Mount Design
Engineered strictly according to international 19-inch server rack dimensions (3U height for 100Ah/200Ah 25.6V & 100Ah 51.2V; 4U height for 200Ah 51.2V). Enables seamless installation into telecom server cabinets, containerized ESS, and industrial rack enclosures with front-access wiring for zero-hassle maintenance.
🔋 Grade-A LiFePO4 Cells with 6,000+ Deep Cycles
Powered by Tier-1 Grade-A Lithium Iron Phosphate chemistry delivering over 6,000 deep charge/discharge cycles (+25°C, 0.2C, 80% DOD). Offers a 10-year design lifespan backed by a 5-year factory warranty, delivering non-combustible thermal stability and exceptional ROI for commercial energy projects.
📈 Massive Parallel Expansion Up to 16 Units (163.84kWh)
Features automated address assignment (ADD DIP switches) and parallel bus links allowing up to 16 battery modules to be wired in parallel. Easily expands storage capacity from 2.56kWh up to a massive 163.84kWh without requiring an external master controller.
🛡️ Intelligent BMS Protection with Optional Active Cell Balancing
Integrated Smart BMS continuously monitors cell voltages, currents, and temperatures. Protects against overcharge, overdischarge, overcurrent, short circuit, and thermal runaways. Supports optional 0.1~5A active cell equalization to prevent capacity drift and maximize usable energy.
📱 Front Visual LCD Display Screen & Diagnostic LED Panel
Equipped with a front-facing LCD graphic display screen and LED status indicators (RUN, ALM, SOC 4-bar capacity lights). Allows field technicians to instantly inspect pack voltage, cell temperature, state of charge (SOC), and diagnostic alarm logs on-site.
💡 Universal Multi-Protocol CAN / RS485 / RS232 Inverter Matching
Pre-loaded with communication firmware for top-tier solar inverters including Growatt, Deye, Voltronic, GoodWe, Pylontech, Victron, Kstar, and MUST. Dual RS485 and CAN ports enable seamless closed-loop BMS communication with solar chargers.
PRODUCT SPECIFICATIONS
| Technical Parameter | AK-LFPM-25.6V-100Ah-RM | AK-LFPM-25.6V-200Ah-RM | AK-LFPM-51.2V-100Ah-RM | AK-LFPM-51.2V-200Ah-RM |
|---|---|---|---|---|
| ⚡ Electrical & Battery Capacity Ratings | ||||
| Battery Cell Chemistry | Grade-A LiFePO4 (Lithium Iron Phosphate) - High Thermal Stability & Safety | |||
| Nominal System Voltage | 25.6 Vdc | 25.6 Vdc | 51.2 Vdc | 51.2 Vdc |
| Adjustable Working Voltage Window | 20.0 ~ 29.2 Vdc | 20.0 ~ 29.2 Vdc | 40.0 ~ 58.4 Vdc | 40.0 ~ 58.4 Vdc |
| Nominal Capacity (25°C, 0.2C) | 100 Ah | 200 Ah | 100 Ah | 200 Ah |
| Total Energy Storage Capacity | 2,560 Wh (2.56 kWh) | 5,120 Wh (5.12 kWh) | 5,120 Wh (5.12 kWh) | 10,240 Wh (10.24 kWh) |
| 🔌 Charge & Discharge Specifications | ||||
| Max. Continuous Charge Current | 100 A | 200 A | 100 A | 200 A |
| Max. Continuous Discharge Current | 100 A | 200 A | 100 A | 200 A |
| Max. Pulse Discharge Current (1 sec) | 150 A (Configurable) | 300 A (Configurable) | 150 A (Configurable) | 300 A (Configurable) |
| Deep Cycle Lifespan | ＞6,000 Deep Cycles (+25°C, 0.2C, 80% DOD) | 10-Year Design Life | |||
| 🛡️ BMS System, Features & Parallel Expansion | ||||
| Cell Equalization Current | 0.1 A ~ 5.0 A Max (Optional Active Balancing) | |||
| Parallel Capability | Up to 16 Units Parallel Expansion (Max 163.84 kWh Capacity) | |||
| Hardware BMS Protections | Overcharge, Overdischarge, Overcurrent, Short Circuit, Overtemperature, SOC/SOH Monitoring | |||
| Communication Interfaces | CAN / RS232 / RS485 (Standard); WiFi / Bluetooth / Dry Contact (Optional) | |||
| Inverter Protocol Matching | Growatt, Voltronic, GoodWe, Pylontech, Victron, Deye, Kstar, MUST, etc. | |||
| Display & Controls | Front LCD Screen, Menu Control Keys, DC Breaker Switch, RUN/ALM/SOC LED Lights | |||
| 📐 Mechanical, Dimensions & Environmental | ||||
| Chassis Height & Form Factor | 3U Rack-Mount | 3U Rack-Mount | 3U Rack-Mount | 4U Rack-Mount |
| Product Dimensions (L×W×H) | 329.5 × 443 × 133.5 mm | 490 × 443 × 133.5 mm | 490 × 443 × 133.5 mm | 810 × 483 × 178 mm |
| Package Dimensions (L×W×H) | 400.5 × 490 × 198.5 mm | 560 × 490 × 198.5 mm | 560 × 490 × 198.5 mm | 920 × 523 × 243 mm |
| Net Weight / Gross Weight | 24.15 kg / 25.95 kg | 42.45 kg / 44.65 kg | 42.45 kg / 44.65 kg | 84.2 kg / 106.0 kg |
| Output Terminals | M8 Heavy-Duty Copper Screw Terminals | |||
| Operating Temperature / Noise | -20°C ~ +60°C; Humidity 0 ~ 95% (non-condensing); Noise ＜ 40dB (1m) | |||
| Certifications & Warranty | IEC 62619, CE, UN38.3, MSDS | 5-Year Warranty / 10-Year Life Design | |||
Technical Documentation
Access complete industrial specification layouts, installation blueprints, communication protocol guides, and international compliance certifications.
Technical Catalog
Get the AoKu AK-LFPM-RM Series catalog for full electrical specifications, cabinet dimensions, battery configurations, wiring guides, and certifications.
User Manual
Get the AoKu AK-LFPM-RM Series user manual for step-by-step installation, wiring diagrams, LCD settings, warning/fault code solutions, and battery maintenance.
PRODUCT APPLICATIONS
The AoKu AK-LFPM-RM Series Rack-Mounted LiFePO4 Battery System delivers high-density, reliable DC power for commercial, telecommunication, and industrial energy projects. It integrates seamlessly across six core application scenarios:
🖥️ Standard 19-Inch Server Rack & Data Center Backup
Installs directly into standard 19-inch IT server cabinets, providing ultra-reliable emergency DC backup power for enterprise data centers, server rooms, and IT network routers during grid outages.
📡 Telecom Base Stations & Communication Shelters
Delivers clean, uninterrupted 48V/51.2V DC power for 5G mobile base stations, remote microwave repeaters, and telecom switching shelters operating under harsh climate conditions.
☀️ Commercial & Industrial Solar PV ESS Storage
Pairs with 48V/51.2V commercial hybrid solar inverters to store excess solar PV generation during peak daylight hours, discharging energy during night time to slash commercial electricity bills.
🏦 Financial, Banking & Server Room UPS Systems
Supplies instant high-rate discharge current for online UPS systems protecting banking financial servers, automated teller machines (ATMs), and security monitoring centers against voltage sags.
🏬 Industrial Automation & Control Cabinet Power
Fits neatly inside factory PLC control cabinets and automated assembly line enclosures to guarantee zero-downtime operation for robotics and precision industrial sensors during power grid fluctuations.
🚑 Emergency Mobile Command & Remote Rescue Vehicles
Compact 3U/4U vibration-resistant chassis withstands rugged transport, delivering robust energy storage for mobile medical vehicles, field exploration trailers, and emergency response units.
PRODUCT SOLUTIONS
Technical solution architectures engineered by AoKu Energy to overcome space constraints, protocol incompatibility, and capacity bottlenecks in commercial energy storage:
📦 Standardized 3U/4U Rackmount Space Optimization
The Challenge: Bulky traditional battery boxes consume valuable floor area in server rooms and telecom shelters, making cabinet integration impossible.
AoKu Solution: The AK-LFPM-RM series adopts a standardized 19-inch 3U/4U rack-mounted enclosure. Front-access terminals and heavy-duty slide brackets allow seamless installation inside existing IT cabinets, saving over 60% floor space.
💡 Seamless Multi-Inverter Protocol Integration
The Challenge: Incompatible CAN/RS485 communication protocols between third-party lithium batteries and solar inverters lead to system shutdown errors.
AoKu Solution: Pre-programmed with multi-protocol firmware auto-matching Growatt, Deye, Voltronic, GoodWe, Victron, and Pylontech. Ensures plug-and-play closed-loop BMS telemetry without custom software tuning.
📈 Massive Parallel Capacity Scaling Up to 163.84kWh
The Challenge: Growing commercial loads require frequent battery system upgrades, causing high equipment replacement costs.
AoKu Solution: Integrated DIP address switches allow up to 16 battery modules to operate in parallel. Businesses can start with a single 2.56kWh/5.12kWh module and scale up to 163.84kWh as energy demand grows.
🔋 Active Cell Balancing & 10-Year Lifespan Guarantee
The Challenge: Cell voltage imbalance over years of high-current cycling reduces usable capacity and shortens battery pack lifespan.
AoKu Solution: Features optional 0.1~5A active cell balancing combined with Smart BMS hardware protections. Delivers 6000+ deep cycles and 10+ years of operational service life for maximum investment protection.
☀️ High-Rate Continuous & Surge Pulse Discharge
The Challenge: Heavy inductive loads (motors, air conditioners, compressors) trigger severe voltage drops during startup.
AoKu Solution: Supports 1C continuous discharge (100A/200A) and up to 300A (1 sec) surge pulse discharge, easily powering high-inrush machinery without triggering BMS disconnect protection.
📱 Front LCD Graphic Display & On-Site Diagnostics
The Challenge: Unclear battery status in remote telecom shelters makes troubleshooting slow and expensive.
AoKu Solution: Equipped with a front-facing LCD screen and multi-LED indicator lights. Technicians can instantly read pack voltage, individual cell status, temperature, SOC, and error logs on-site without laptop connections.
Frequently Asked Questions
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