Applicable scope: hospital, bank data center, base frame type home, enterprise energy storage backup power supply, wind complementary system, office, military, base station and other uninterrupted energy storage power supply.
Basic Parameters
The ZEMBATT EM48200S is a stacked energy storage battery designed for residential, commercial and backup power applications that require higher energy capacity. It uses a 51.2V 200Ah LiFePO4 battery configuration, providing approximately 10.24kWh of nominal energy.
With 3.5KW or 5.5KW inverter options, RS485/RS232/CAN communication and a compact stacked structure, the EM48200S is suitable for home solar storage, office backup, enterprise energy storage and other applications requiring longer backup time than a standard 5.12kWh battery system.
Batteries materials: Lithium iron phosphate
Series parallel mode (S series, P parallel): 16S1P
Nominal voltage: 51.2V
Nominal capacity: 200Ah
Size(mm): 588*430*195(monomer)
Weight: 48kg ( Battery)
Color: Optional
Charging way: CP/VP
Charging current: 0.2C(standard)
Maximum charging current: Max0.5C @25C
Charge cut-off voltage: 58.4V
Discharge way: CP/VP
Discharge current: 1C
Maximum discharge current: Max1C @25℃
Discharge cut-off voltage: 44.8V
Communication interface: RS485/RS232/CAN
Charging operating temperature: charging: 0~+50℃
Discharge operating temperature: discharge: -20~+55℃
Inverter: 3.5KW/5.5KW
The quality assurance period: 36 months
The main difference between the EM48200S and lower-capacity stacked energy storage systems is its 200Ah battery capacity.
At 51.2V and 200Ah, the EM48200S provides approximately 10.24kWh of nominal energy, which is double the nominal energy of a 51.2V 100Ah 5.12kWh battery.
This makes the EM48200S more suitable for projects that require:
● Longer backup duration
● Higher daily energy consumption
● More connected electrical loads
● Larger solar energy storage capacity
● Greater reserve energy for outages
The 51.2V 200Ah 10.24kWh Stacked Energy Storage Battery can store electricity generated by compatible photovoltaic systems for later use.
Its 10.24kWh nominal capacity is more suitable than a 5.12kWh battery for homes with higher daily electricity demand or longer backup requirements.
Typical applications include:
● Home solar systems
● Hybrid energy storage systems
● Backup power during grid outages
● Residential photovoltaic self-consumption
The system can be used for offices, enterprises and commercial facilities that need backup energy for selected electrical loads.
Compared with a smaller 5.12kWh battery, the larger 200Ah capacity provides more stored energy for longer operating periods.
The manufacturer lists banks and data centers among the intended application areas for this series.
For these projects, buyers should confirm total load, required backup time, inverter capacity and system architecture before selecting the final configuration.
RS485, RS232 and CAN communication interfaces support integration with compatible control and monitoring equipment, making the EM48200S suitable for communication and base station energy storage projects.
The 51.2V 200Ah 10.24kWh Stacked Energy Storage Battery can also be considered for wind complementary and hybrid energy storage applications where stored energy is required to balance intermittent power generation.
Choosing between a 5.12kWh and 10.24kWh battery should be based primarily on energy consumption and required backup duration.
● Daily energy consumption is relatively low
● Backup is required only for essential loads
● Installation budget or space is limited
● The system is used mainly for lighting, communication and small appliances
● Longer backup time is required
● More electrical equipment needs to remain operational
● Daily solar generation and storage demand are higher
● The project needs more reserve capacity
● Future load growth should be considered
The correct selection should be based on actual load calculations rather than battery capacity alone.
The EM48200S provides approximately 10.24kWh of nominal stored energy.
A basic estimation method is:
Backup Time ≈ Available Battery Energy ÷ Average Load Power
For example, lower continuous loads will provide longer backup time, while higher loads will consume the stored energy more quickly.
Actual backup time also depends on:
● Inverter efficiency
● Battery depth of discharge
● Operating temperature
● Startup current
● Battery aging
● Required reserve capacity
For accurate system sizing, provide your load list and required backup duration before ordering.
| Feature | EM48200S | EM48100S |
|---|---|---|
| Battery Voltage | 51.2V | 51.2V |
| Capacity | 200Ah | 100Ah |
| Nominal Energy | Approx. 10.24kWh | Approx. 5.12kWh |
| Battery Chemistry | LiFePO4 | LiFePO4 |
| Inverter Options | 3.5KW / 5.5KW | 3.5KW / 5.5KW |
| Communication | RS485 / RS232 / CAN | RS485 / RS232 / CAN |
| Main Advantage | Longer backup / higher stored energy | Lower-capacity applications |
| Suitable For | Higher energy demand | Moderate energy demand |
The EM48100S is more suitable when approximately 5.12kWh is sufficient.
The EM48200S is better suited to projects requiring approximately 10.24kWh of nominal energy and longer backup duration.
The EM48200S is rated at 51.2V 200Ah, providing approximately 10.24kWh of nominal energy.
Yes. The listed battery material is lithium iron phosphate, or LiFePO4.
The product specification lists 3.5KW and 5.5KW inverter options.
It supports RS485, RS232 and CAN communication interfaces.
The listed charge cut-off voltage is 58.4V.
The listed discharge cut-off voltage is 44.8V.
The listed quality assurance period is 36 months.
Need more storage capacity than a standard 5.12kWh battery?
The EM48200S 51.2V 200Ah stacked energy storage battery provides approximately 10.24kWh of nominal energy with 3.5KW or 5.5KW inverter options.
Send ZEMBATT your load power, required backup duration, solar configuration and order quantity to confirm the suitable energy storage configuration for your project.
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