PTBM Stacked Energy Storage System

PTBM-25kWh+10kW Energy Storage System

All-in-One Stacked Home Energy Storage System
Inverter: 5.5kW / 10kW
Battery Module: 51.2V 100Ah
Integrated BMS protection for safe and stable operation
Modular stacked design for easy installation and flexible expansion
Optimized for home energy storage and backup power
Intelligent communication for real-time monitoring

No.66 Punan Road, Yueqing Economic Development Zone, Zhejiang, China

No.66 Punan Road, Yueqing Economic Development Zone, Zhejiang, China

Detailed Description

The PTBM-I Stacked Lithium Energy Storage System is built with Grade A high-cycle LiFePO4 cells and an advanced BMS control system, delivering high safety, stable performance, and long service life.

Each system supports stacking up to 7 layers (including inverter) and parallel connection of up to 15 battery modules, enabling flexible capacity expansion. When integrated with 5.5kW–10kW off-grid photovoltaic inverters, it provides reliable power solutions for residential and commercial energy storage applications.


Product Features

Grade A LiFePO4 Battery Cells

Optional Bluetooth, WiFi & Touch LCD Screen

100A Intelligent BMS for Charge & Discharge Control

Long Cycle Life – 6000 Cycles @ 80% DOD

LCD Display Screen

Parallel Connection up to 15 Units


Application Areas

Energy Storage & Power Management Systems

Emergency & Backup Power Systems

Telecommunications & Fire Protection Systems


Parameters

ModelPTBM-I-51.2100PTBM-I-51.2100*2PTBM-I-51.2100*3PTBM-I-51.2100*4PTBM-I-51.2100*5PTBM-I-51.2100*6
Standard voltage51.2V
Standard capacity100Ah100Ah100Ah100Ah100Ah100Ah
Rated capacity5.12kWh5.12kWh*25.12kWh*35.12kWh*45.12kWh*55.12kWh*6
Working voltage43.2-57.6V
Standard charging current50A50A*250A*350A*450A*550A*6
Standard discharging current100A100A*2100A*3100A*4100A*5100A*6
Suggested DOD80%
Cycle life>6000 cycles
IP RatingIP21
Discharge operating temperature-20℃-50℃
Operating temperature for charge0℃-45℃
Max parallel15PCS
CommunicationRS232/CAN/RS485 (WIFI/BT optional)
DisplayLCD display screen
Warranty5 Years
NW.(kg)45.8+14.2 (base)45.8*2+14.2 (base)45.8*3+14.2 (base)45.8*4+14.2 (base)45.8*5+14.2 (base)45.8*6+14.2 (base)
GW.(kg)53.2+18.7 (base)53.2*2+18.7 (base)53.2*3+18.7 (base)53.2*4+18.7 (base)53.2*5+18.7 (base)53.2*6+18.7 (base)
Product size (mm)550*500*(178+105)
550*210*530
(Ultra thin version)
550*500*(178*2+105)
550*210*1000
(Ultra thin version)
550*500*(178*3+105)
550*210*1470
(Ultra thin version)
550*500*(178*4+105)550*500*(178*5+105)550*500*(178*6+105)
Package size (mm)650*600*290
630*580*252(base)
545*510*300
(Ultra thin version)
650*600*290*2
630*580*252(base)
545*510*300*2
(Ultra thin version)
650*600*290*3
630*580*252(base)
545*510*300*3
(Ultra thin version)
650*600*290*4
630*580*252(base)
650*600*290*5
630*580*252(base)
650*600*290*6
630*580*252(base)


Rated power5.5kW10kW
AC input
Voltage230VAC
Optional voltage range170-280VAC (personal computer)
90-280VAC (household appliances)
Frequency range50Hz/60Hz (adaptive)
AC output
Rated voltage230VAC±5%
Peak power11000VA20000VA
Efficiencymax 93.5%max 98%
Transfer time10ms (personal computer)
20ms (household appliances)
WaveformPure Sine Wave
Battery
Battery voltage48VDC
Floating charging voltage54VDC (Settable)
Overcharge protection57.6VDC (Settable)
Solar charging & AC charging
PV maximum open circuit voltage500VDC
PV maximum power5500W11000W
MPPT range @ working voltage120-500VDC90-500VDC
Maximum solar charging current100A150A
Maximum AC charging current60A150A
Maximum charging current100A150A
Basic parameters
Working temperature-10°C - 50°C
Working humidity20% -95% relative temperature (non condensing)
Storage temperature-15°C - 60°C
NW. (kg)22.627
GW.(kg)3640
Product size (mm)550*500*178(Regular style)
550*210*470(Ultra thin style)
550*500*245(Regular style)
550*210*470(Ultra thin style)
Package size (mm)650*600*290650*600*345


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