AoKu AK-LFPM-WM Series Wall-Mounted LiFePO4 Lithium Battery System (25.6V 200Ah / 51.2V 100Ah / 51.2V 200Ah | 5.12kWh - 10.24kWh)
AoKu AK-LFPM-WM Series Wall-Mounted LiFePO4 Lithium Battery System (25.6V 200Ah / 51.2V 100Ah / 51.2V 200Ah | 5.12kWh - 10.24kWh)
The AoKu AK-LFPM-WM Series (25.6V 200Ah / 51.2V 100Ah / 51.2V 200Ah) is a space-saving wall-mounted LiFePO4 lithium battery pack (5.12kWh - 10.24kWh). Features 6000+ deep cycles, Smart BMS with active cell balancing, 16-unit parallel expansion up to 163.84kWh, front LCD status screen, and multi-protocol CAN/RS485/RS232 inverter compatibility for home solar and ESS backup.
KEY FEATURES & BENEFITS
Space-Saving Wall-Mounted Architecture
Specially engineered with a compact, ultra-slim wall-mounted form factor that mounts directly onto indoor utility walls. This eliminates floor footprint demands and simplifies installation in garages, equipment closets, and home utility rooms.
6,000+ Deep Cycle Lifespan & Grade-A LiFePO4 Chemistry
Built with premium Grade-A Lithium Iron Phosphate (LiFePO4) chemistry providing over 6,000 deep charge/discharge cycles (25°C, 0.2C, 80% DOD). Backed by a 10-year design lifespan and a 5-year factory warranty for long-term power independence.
Massive 16-Unit Parallel Capacity Expansion (Up to 163.84kWh)
Designed for seamless scalability. Up to 16 individual battery packs can be connected in parallel using integrated busbars and RS485 communication cables, expanding total storage capacity from 5.12kWh up to 163.84kWh to meet growing commercial and residential energy demands.
Smart BMS Protection & Active Cell Equalization
Features an advanced intelligent Battery Management System (BMS) with hardware-level safeguards for overcharge, overdischarge, overcurrent, short circuit, and overtemperature protection. Supports optional 0.1~5A active cell balancing to keep all battery cells voltage-synchronized and extend pack longevity.
Universal Inverter Protocol Matching (CAN / RS485 / RS232)
Pre-loaded with multi-protocol communication firmware for CAN, RS485, and RS232 ports, ensuring automatic closed-loop communication with leading global solar inverter brands (AoKu, Deye, Victron, Growatt, Voltronic, Schneider, and GoodWe). Optional WiFi and Bluetooth modules enable remote app monitoring.
Front LCD Status Screen & Harsh Environment Resilience
Equipped with a front-facing LCD digital display panel and multi-color LED indicators for real-time tracking of State of Charge (SOC), voltage, current, and system alarms. Operates reliably across ambient temperatures from -20°C to +60°C with ultra-quiet noise levels (<40dB).
PRODUCT SPECIFICATIONS
| Category & Parameter | AK-LFPM-25.6V-200Ah-WM | AK-LFPM-51.2V-100Ah-WM | AK-LFPM-51.2V-200Ah-WM |
|---|---|---|---|
| ⚡ Electrical & Battery Capacity Ratings | |||
| Battery Chemistry | Grade-A LiFePO4 (Lithium Iron Phosphate) Cells | ||
| Nominal System Voltage | 25.6 Vdc | 51.2 Vdc | 51.2 Vdc |
| Nominal Battery Capacity | 200 Ah (25°C, 0.2C) | 100 Ah (25°C, 0.2C) | 200 Ah (25°C, 0.2C) |
| Total Energy Storage Capacity | 5,120 Wh (5.12 kWh) | 5,120 Wh (5.12 kWh) | 10,240 Wh (10.24 kWh) |
| Adjustable Working Voltage Window | 20.0 ~ 29.2 Vdc | 40.0 ~ 58.4 Vdc | 40.0 ~ 58.4 Vdc |
| Float Charge Voltage | 28.0 Vdc | 56.0 Vdc | 56.0 Vdc |
| 🔌 Charge & Discharge Specifications | |||
| Max. Continuous Discharge Current | 100 A | 100 A | 100 A |
| Max. Pulse Discharge Current | 100 A | 150 A (1 sec, Configurable) | 100 A |
| Max. Continuous Charge Current | 100 A | 100 A | 100 A |
| Cycle Life Performance | ＞ 6,000 Cycles @ 25°C, 0.2C, 80% DOD | ||
| Cell Equalizer Current | 0.1 ~ 5 A Max. (Optional Active Equalization) | ||
| 🛡️ BMS Protection & System Features | |||
| Smart BMS Safety Safeguards | Overcharge, Overdischarge, Overcurrent, Short Circuit, Overtemperature, SOC/SOH Monitoring | ||
| Parallel Expansion Capacity | Supports Max. 16 Units in Parallel (Up to 163.84 kWh Total Storage) | ||
| Communication Interfaces | Standard: RS232 / RS485 / CAN | Optional: WiFi / Bluetooth / Dry Contacts | ||
| Visual Display & Indicators | Front LCD Status Screen + SOC / ALM / RUN LED Indicator Bar | ||
| Safety Certifications | IEC62619, CE, UN38.3, MSDS Compliant | ||
| 📐 Mechanical, Dimensions & Environmental | |||
| Output Power Terminal Type | M6 Screw Terminals | ||
| Product Dimensions (W * H * D) | 420 * 600 * 175.5 mm | 420 * 600 * 175.5 mm | 505 * 730 * 359 mm |
| Package Dimensions (W * H * D) | 550 * 800 * 175.5 mm | 550 * 800 * 175.5 mm | 654 * 980 * 373 mm |
| Net Weight / Gross Weight | 48 kg / 63 kg | 48 kg / 63 kg | 84 kg / 104 kg |
| Operating Temperature & Noise | -20°C ~ +60°C | Working Humidity: 0 ~ 95% (No Condensation) | Noise: ＜ 40 dB @ 1m | ||
| Design Lifespan & Warranty | 10 Years Design Lifespan | 5 Years Warranty or 6,000 Cycles (Whichever Comes First) | ||
Technical Documentation
Access complete industrial specification layouts, installation blueprints, communication protocol guides, and international compliance certifications.
Technical Catalog
Get the AoKu AK-LFPM-WM Series catalog for full electrical specifications, cabinet dimensions, battery configurations, wiring guides, and certifications.
User Manual
Get the AoKu AK-LFPM-WM Series user manual for step-by-step installation, wiring diagrams, LCD settings, warning/fault code solutions, and battery maintenance.
PRODUCT APPLICATIONS
Engineered for high-density safety and elegant wall integration, AoKu AK-LFPM-WM Wall Mounted LiFePO4 Batteries provide dependable energy storage across six key residential and commercial application scenarios:
🏠 Wall-Mounted Residential Home Solar Energy Storage
Mounts neatly on garage or basement walls to store daytime solar electricity from rooftop PV panels, powering home HVAC systems, refrigerators, smart lighting, and kitchen appliances overnight.
⚡ Sub-10ms Emergency Home Power Backup
Pairs with hybrid inverters to instantly supply emergency backup power during utility blackout transients, keeping home medical CPAP machines, security systems, and Wi-Fi routers online.
☀️ Solar Self-Consumption & Grid Tariff Arbitrage
Maximizes solar self-consumption and shifts power usage by charging during cheap off-peak utility hours and discharging during expensive peak demand periods to slash monthly utility bills.
🏬 Small Commercial Shops & Office Power Resilience
Provides clean, compact backup energy for retail POS terminals, office computers, server racks, and security cameras without occupying valuable retail floor or storage space.
📡 Telecom 5G Base Stations & Remote Shelters
Delivers maintenance-free, wide-temperature (-20°C to +60°C) backup power for telecommunication repeaters, 5G cell towers, and remote monitoring stations with CAN/RS485 telemetry.
🏡 Villa & Off-Grid Cabin Power Autonomy
Combines up to 16 parallel units (163.84kWh) for luxury villas, mountain cabins, and eco-resorts far from municipal electrical grids, securing 24/7 off-grid power autonomy.
PRODUCT SOLUTIONS
Technical solution architectures engineered by AoKu Energy to overcome space constraints, battery degradation, and inverter compatibility challenges in global energy projects:
🔀 Space-Saving Indoor Wall Mounting Architecture
The Problem: Bulky floor-standing battery cabinets occupy high-value indoor floor area and are vulnerable to ground moisture and accidental dust ingress.
AoKu Solution: The AK-LFPM-WM Series adopts an ultra-slim 175.5mm depth profile with pre-engineered heavy-duty mounting brackets, freeing up 100% of floor area while ensuring clean, safe wall installation.
📈 16-Unit Parallel Expansion up to 163.84kWh
The Problem: Fixed-capacity battery packs force homeowners and businesses to replace entire systems when energy demands increase over time.
AoKu Solution: Integrated DIP switch addressing and parallel communication busbars allow up to 16 battery packs to be added on-demand, expanding total storage seamlessly from 5.12kWh to 163.84kWh.
🔋 Universal Inverter Protocol Closed-Loop Matching
The Problem: Protocol mismatch between lithium BMS and solar inverters leads to communication faults, improper charging, and shortened battery life.
AoKu Solution: AK-LFPM-WM comes pre-loaded with firmware supporting CAN, RS485, and RS232 protocols for automatic plug-and-play matching with major global inverter brands (AoKu, Deye, Victron, Growatt, etc.).
🛡️ 6,000+ Deep Cycles & Active Cell Equalization
The Problem: Unbalanced cell voltages in lithium packs cause premature battery capacity fade and shortened operational lifespan.
AoKu Solution: Grade-A LiFePO4 cells delivering >6,000 cycles (80% DOD) are paired with optional 0.1~5A active balancing technology to maintain equal cell voltages, maximizing battery energy harvest.
📱 Front LCD Display & App Remote Diagnostics
The Problem: Lack of visual telemetry makes it difficult for homeowners and technicians to check battery status or diagnose system alarms.
AoKu Solution: Integrated front LCD display screen + LED SOC status bar provides immediate on-site visibility, while optional WiFi/Bluetooth modules enable remote cloud monitoring via mobile app.
🔇 Ultra-Quiet <40dB & Extreme Temperature Resilience
The Problem: Loud fan noise from battery cabinets disrupts residential living environments, while thermal sensitivity causes failures in unconditioned rooms.
AoKu Solution: Natural convection cooling design delivers ultra-quiet <40dB operation, while industrial thermal engineering enables stable discharge from -20°C to +60°C.
Frequently Asked Questions
Global Support & Services
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Pre-Sales Support
Custom configuration and technical consultation.
Post-Sales Support
24/7 assistance and localized parts support.
Global Warranty
Comprehensive coverage for all our hardware solutions globally.
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