5kWh - 15kWh PV&Energy Storage all-in-one system 51.2V 300Ah LiFePO4 solar battery

Item No.: TWE0234
Nominal Energy: 15kWh
Nominal Voltage: 51.2V
Nominal Capacity: 300Ah
Dimensions: 640x415x380mm
Warranty: 1 year
Certificate: CE, UN38.3, MSDS
Safe and Reliable !
Description Brand Introduction Review
Product Specifications
Item Specifications Remark
Model No. TWE-5KW-15KWH A grade LiFePO4 battery
Nominal Voltage 51.2V
Nominal Capacity 300Ah 5kWh~15kWh option
Dimensions 640*415*380mm Length*Width*Height
Cycle Life ≥6000 times @0.5C 80% DOD
Depth of Discharge 90%
Operation Voltage 44.8V~57.6V
Max Discharge Current 200A
Weight (approx.) 145kg
Operation Temperature Charge: 0℃~45℃, Discharge: -20℃~60℃
Storage Temperature 0℃~35℃
Communication Method RS485, CAN
BMS Protection Over charge, over discharge, over current, over voltage, short circuit, cell protection, temperature protection, etc.
PV Input Parameters
MPPT Route Number 1
Max PV Input Power 5500W
Max Open Circuit Voltage 500V DC
MPTT Open Circuit Range 120V~450V DC
AC Output Parameters
AC Output Voltage AC220V±5% or AC110V±5% (optional function)
AC Output Power 5000W
Output Waveform Pure Sine Wave
Mains/Generator Input
Input Voltage Range UPS:170~280Vac APL:90~280Vac
Frequency Range 50Hz/60Hz
Product Advantages
-High safety, with advanced smart BMS
-Easy installation
-6000+ cycle life and 15 years service life
-Smart and Friendly: support RS485*CAN communication, intelligent panel display, and quickly read battery and inverter parameters;
-Wide Voltage Range: ultra-wide PV voltage range 120V-500V, battery voltage range 44.8V-57.6V;
-Convenient Transfer: four universal wheel design, with household power supply, emergency power supply,
support for dangerous rescue, support for areas lacking power, camping or travel power supply and other usage modes; 
-High Storage Power: Up to 15KWH power storage, can be directly plugged into the electric vehicle charger, to supplement power for electric vehicles  
-Smart Switching: it can run off-grid and support emergency power supply;
Solar energy storage system, home energy storage, communication base station, EV charging, RV energy storage, Photovoltaic energy storage, high-speed rail energy storage, industry energy storage, etc.
Home Energy Storage
Communication Base Station
PV System
Industry Energy Storage
High-speed Rail
Safety certificate: CE,CB, IEC62133, UL, PSE
Environmental certificate: ROHS, REACH
Quality management certificate: ISO9001, ISO14001, BSCI
Shipping certificate: UN38.3, MSDS, Air/Sea Transport Identification&Classification Report
CE certificate
RoHS certificate
IEC62133 certificate
UN38.3 certificate
ISO9001 certificate
Production Process
01 Materials Mixing
Fully automatic feeding system,High precision, fully enclosed
02 Coating
High precision constant temperature coating machine
03 Electrode Piece Rolling
Precision automatic roller machine
04 Electrode Piece Slitting
Automatic battery electrode piece continuous slitting machine
08 Injection
Fully automatic bell type liquid injection machine
07 Tab Welding&Beading
Automatic welding machine
06 Into Shell
05 Winding
Automatic winding machine
09 Automatic Laser Welding
10 Formation&Capacity Sorting
Needle bed type charging cabinet
11 Cycle Test
All cells will be 100% tested for 3 cycles.
12 OQC Test
100% full test on appreance, voltage, capacity, resistance, size, etc
With 20 years experience in battery field, Topwell can ship the battery by Sea / Air / Express.
We can provide you with all DG certification which allows you to ship these batteries, such
as UN38.3 /MSDS /DG. We can ship from Shenzhen,Shanghai,HK...
Brand Introduction

Yichun Topwell Power Co., Ltd (Trademark:TWE) established in 2002, is a high-tech enterprise focusing on the R&D, production and sales of lithium polymer batteries, lithium ion batteries, lithium iron phosphate batteries, and lithium thionyl chloride batteries. Products are widely used in consumer electronics, Internet of Things, smart home, medical, vehicle, home and outdoor energy storage, and have obtained CE, RoHS, Reach, UN38.3, IEC62133, CB, UL, MSDS certifications, etc.


Topwell moves on by providing reliable, efficient and intelligent battery solutions to meet different energy needs. We have efficient engineering, production and quality management teams. From raw material procurement, to production, testing, sales and after-sales service, all steps have been controlled by a strict quality management system. Our factory has passed ISO9001, IS014001, BSCI certification, SGS, Intertek audit. With the advantages in price, quality and service, we have established long-term and stable cooperative relationships with many well-known brands. Topwell always attached the great importance to the long term cooperation with customers. No matter the order is big or small, we do our best to support you the highest quality with favorable price. We believe that Topwell Power can be your best battery supplier!


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