Model |
SP-ESS-5K-5K-A1 |
SP-ESS-5K-10K-A1 |
SP-ESS-5K-15K-A1 |
SP-ESS-5K-20K-A1 |
Battery Module Qty |
1 |
2 |
3 |
4 |
Nominal Energy |
5.12kWh |
10.24kWh |
15.36kWh |
20.48kWh |
Battery Capacity |
100Ah |
200Ah |
300Ah |
400Ah |
Weight |
78kg |
127kg |
176kg |
225kg |
Dimension |
560*480*420mm |
560*480*570mm |
560*480*720mm |
560*480*870mm |
The A1 series stacked all in one energy storage system use long workinglife LiFePO4 cell, high performance BMS to protect, hybrid inverter supporting solar photovoltaic panel input. The max parallel is 4pcs, free combination for the capacity and meet all kinds of demand for home/industry. It has wheels, so you can easily move it anywhere you need it.
Product Features
All in one design, integrated hybrid inverter and LFP battery .
2 options for charging: PV or AC Power Grid.
High power, friendly interface, free combination.
Free combination, Stacked wheeled modular design.
The capacity is flexibly expandable. Max parallel is 4pcs with large capacity 20kWh.
Long cycle life Li-ion battery, Designed life-span 6000 times
Smart BMS, Comprehensive protection. Over voltage/ over temperature/ overload/ ovecharge protection.
CAN/RS485/WiFi Communication.
Easy & Fast Installation. Play and plug connection saves 40% installation time.
Easy Local & Remote Control. Monitor your energy remotely via smartphone APP or web.
General |
Communication |
RS485/CAN/WIFI(optional) |
Working Temperature Range |
-15°C~ 55°C |
Storage Temperature Range |
-25°C~ 60°C |
Operation Humidity |
5% ~ 85% |
Storage Time / Temperature |
6 months @25ºC;3 months @35ºC;1 months @45ºC; |
Nominal Operation Altitude |
<2000m |
Cooling Mode |
Electric Fan |
Noise |
60dB(A) |
IP Rating |
IP20 |
Recommended Operation Environment |
Indoor |
Installation Method |
Horizontal |
Certificate |
CE,UN38.3, MSDS |
Battery Module |
Battery Type |
LFP |
Nominal Voltage |
51.2V |
Working Voltage Range |
44.8~ 57.6V |
Maximum Charging Current |
100A |
Maximum Discharging Current |
100A |
Charging Temperature Range |
0~45ºC |
Discharging Temperature Range |
-10~45ºC |
Hybrid Charging Maximum Charging Current |
80A |
DOD |
6000cycles@80%DOD |
Parallel Quantity |
4 |
Dimension |
560x480x150mm |
Weight |
49 kg |
PV Chage |
Solar Charge Type |
MPPT |
Maximum Output Power |
5KW |
PV Charging Current Range |
0~80A |
PV Operating Voltage Range |
120~500V |
MPPT Voltage Range |
120~450V |
Maximum PV Input Current |
18A |
Maximum PV Input Power |
5200W |
AC Charge |
Maximum Charge Power |
3150W |
AC Charging Current Range |
0~40A |
Rated Input Voltage |
110/120VAC |
Input Voltage Range |
90~140VAC |
Frequency |
50Hz/60Hz (Automatic Detection) |
Mains Charging Efficiency |
>95% |
Switch Time (bypass and inverter) |
10ms(Typical Value) |
Maximum Bypass Overload Current |
63A |
AC OUTPUT/ INVERTER |
Rated Output Power |
5KW |
Maximum Output Current |
42A |
Overload Current |
45A |
Auto Switch Period |
<10ms |
THD |
<3% |
Output Voltage Waveform |
Pure Sine Wave |
Rated Output Voltage |
120VAC(100/105/110VAC Settable) |
Output Frequency Range(Hz) |
50Hz ± 0.3Hz/60Hz ± 0.3Hz |
Peak Power |
10000W |
On-load Motor Capacity |
4HP |
Maximum Efficiency |
>90% |
No-load Loss |
Energy-saving Mode :≤25W(Manual Setup) |




Shenzhen Sunpack Energy Co., Ltd. Is a battery energy storage solution provider with core software and hardware technology.
Our factory has passed audit of ISO9001,ISO45001 and ISO14001, with 8 fully automatic and semi-automatic standardized production lines, complete safety and reliable test equipments, and an annual production capacity of 200 million yuan.
The Sunpack team is committed to providing total solutions for battery energy storage. Our main products include power batteries, home energy storage batteries, industrial energy storage system, etc.
Our broad market, application expertise, technology approach and vertical integration enable us to deliver safe, reliable and innovative products to market quickly.
Warmly welcome friends from all over the world to cooperate with us!
As a professional lithium battery manufacturer, our advantages are as follows:
- High performance: Our lithium batteries have high performance features such as high energy density, high safety and high charge/discharge efficiency, which can provide users with more reliable, safe and long-lasting battery products.
- Diversified products: Our lithium battery products cover a wide range of fields, including various electronic products, power equipment, household and industrial energy storage, and can meet the needs of users in different industries and fields.
- Innovative technology: We have an excellent R&D team, constantly innovating in technology, and promoting the continuous upgrading and development of lithium battery technology.
- Customer service: We are committed to providing customers with a full range of services, including product customization, technical support, and after-sales service, to meet their needs and requirements.
- Sustainable development: We focus on corporate social responsibility and sustainable development, actively promote the development of green energy and environmental protection industry, and contribute to society and the environment.

FAQ
Q1: What certificates do you have?
A: Sunpack is a professional lithium battery manufacturer with ISO9001, ISO14001, and ISO45001. All the products have CE certificate, and other certifications can be customized for inspection.
Q2: Are your factory or trading company?
A: We are professional battery manufacturer with our own factory and brand. We provide all kinds of OEM/ODM services for clients.
Q3: Can I take some samples to test before placing a bulk order?
A: We provide our customers with sample products to test and evaluate the quality and performance. For more information on how to request a sample, please contact our sales team.
Q4: How long is the delivery time?
A: Sample Order within 7-10 days, and the bulk production within 15-20 days.
Q5: Are the quality of your product guaranteed?
A: In our 16 years of lithium battery product career, there's no one explosion or fire accident happened. The safety and the quality always are in our priority.
Q6: What if I meet problem during installation? Will you support and how?
A: Yes, we provide 24hours online help, please contact us by email or by WhatsApp no matter technical service or after sale service.