Nimbess 2.56kW IP20 Lithium Battery

₨ 118,000

Available Pricing
In Stock
Per Product₨ 118,000
Last updated: 2026-11-02 00:45:44

The Nimbess 2.56kWh IP20 Lithium Battery is a low-voltage energy storage solution designed for solar backup and residential energy storage applications. It features 25.6V nominal voltage, 100Ah capacity and LiFePO4 battery chemistry. With a maximum discharge current of 100A, 1C charging and discharging capability, and support for up to 16 batteries in parallel, it offers flexible installation and expansion options. CAN and RS485 communication interfaces support battery communication with compatible inverter systems.

Quick Highlights

  • Nominal Energy: 2.56kWh
  • Nominal Voltage: 25.6V
  • Battery Capacity: 100Ah
  • Battery Chemistry: LiFePO4 (LFP)
  • IP Rating: IP20
  • Maximum Discharge Current: 100A
  • Charging and Discharging Rate: 1C
  • Depth of Discharge: 80%
  • Cycle Life: More than 8,000 cycles under specified test conditions
  • Communication: RS485, CAN, USB/RS232
  • Parallel Expansion: Up to 16 units
  • Installation: Wall-mounted or floor-standing
  • Warranty: 5-year standard warranty
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Description

Nimbess 2.56kWh IP20 Lithium Battery Overview

The Nimbess 2.56kWh IP20 Lithium Battery is designed to store electrical energy for use when solar generation is low or grid electricity is unavailable. Its 2.56kWh nominal energy capacity and 25.6V low-voltage architecture make it a compact battery option for suitable residential solar and backup systems. The Nimbess 2.56kWh IP20 Lithium Battery is available at a competitive price in Pakistan. Check the latest Nimbess 2.56kWh IP20 Lithium Battery price in Pakistan at Hajvery Solar Energy.

The battery uses Lithium Iron Phosphate (LiFePO4/LFP) chemistry, with a nominal capacity of 100Ah. It supports a maximum discharge current of 100A and a 1C charging and discharging rate.

Its parallel connection capability allows up to 16 units to be connected in a supported battery system. This gives users an expansion option when their energy storage requirements increase.

The battery supports CAN and RS485 communication, along with USB/RS232 interfaces. Before installation, the battery voltage, communication protocol and charging limits should be checked against the selected inverter.

Key Features and Buyer Benefits

LiFePO4 Battery Chemistry

The battery uses Lithium Iron Phosphate (LiFePO4) cell technology. This chemistry is commonly used in solar energy storage systems where regular charging and discharging are required.

Its specified cycle life is more than 8,000 cycles under the stated test conditions. Actual service life depends on operating temperature, charging and discharging conditions, installation and battery usage.

2.56kWh Energy Storage

With 2.56kWh nominal energy, this battery provides a compact storage option for suitable backup requirements. Its 100Ah capacity and 25.6V nominal voltage define its low-voltage battery configuration.

The actual energy available to connected appliances depends on the selected depth of discharge, inverter efficiency, load and operating conditions.

1C Charging and Discharging

The battery supports a 1C maximum charging and discharging rate. Its maximum discharge current is 100A, while the standard charge voltage is 28.4V.

These limits should be considered when selecting an inverter and configuring the battery charging settings.

Communication Interfaces

The battery provides CAN, RS485 and USB/RS232 communication interfaces. These connections support communication with compatible equipment. The correct communication protocol and inverter settings must be selected before commissioning.

Flexible Installation and Expansion

The battery supports wall-mounted and floor-standing installation. It can also be connected in parallel with up to 16 units, subject to the manufacturer’s installation and connection requirements.

Best For

The Nimbess battery can be considered for:

  • Residential solar energy storage systems.
  • Suitable low-voltage hybrid inverter installations.
  • Home backup requirements within the battery’s current limits.
  • Users looking for a compact 2.56kWh battery.
  • Solar systems requiring a parallel expansion option.
  • Installations where CAN or RS485 battery communication is supported.

Not Ideal For

This battery may not be suitable for:

  • High-voltage battery systems requiring a different voltage architecture.
  • Inverters that do not support the battery’s voltage or communication requirements.
  • Loads that exceed the battery’s maximum discharge current.
  • Outdoor or wet locations where the IP20 enclosure rating is unsuitable.
  • Installations that require a higher individual battery energy capacity without parallel expansion.

Always check the complete inverter and battery configuration before purchase.

Battery Capacity: kWh, Ah and Usable Energy Explained

Battery capacity is commonly described using kWh and Ah, but these measurements represent different things.

  • kWh (kilowatt-hour): Indicates the amount of electrical energy stored in the battery.
  • Ah (ampere-hour): Indicates the battery’s electrical capacity.
  • Voltage (V): Describes the battery’s nominal electrical voltage.

This battery has a nominal voltage of 25.6V, a capacity of 100Ah and nominal energy of 2.56kWh.

The battery has an 80% depth of discharge (DoD). Based on this value, the approximate battery-side usable energy is 2.048kWh before inverter and other system losses.

This is a calculation based on nominal energy and the stated DoD, not a separate rated energy figure.

Battery Chemistry and Cycle Life

The battery uses LiFePO4 (LFP) chemistry. It has a specified cycle life of more than 8,000 cycles under the following test conditions:

  • Temperature: 25°C ± 2°C
  • Charge/discharge rate: 0.5C
  • Depth of discharge: 80%
  • End-of-life reference: 65% EOL

Cycle-life performance depends on operating conditions and the charging and discharging profile. Actual results may vary with installation environment, temperature and usage.

Battery Management and Safety

The battery includes a battery management system (BMS) with communication support. Its BMS supports communication with compatible inverter systems through the available interfaces.

The battery also includes a breaker and touchscreen function. Specific electronic protection functions should be confirmed for the installation before relying on any particular protection feature.

For safe operation, use the correct charging voltage, follow the battery’s current limits and arrange installation through a qualified solar professional.

Charging and Discharging Performance

The battery supports a 1C charging and discharging rate and has a maximum discharge current of 100A.

Its standard charging voltage is 28.4V, while its discharge cut-off voltage is 22.4V.

Correct inverter configuration is important. The charging voltage, battery current limits and communication settings should match the battery’s operating requirements.

Inverter Compatibility

The Nimbess battery supports CAN and RS485 communication, and its BMS supports communication with multiple inverter brands. However, compatibility should not be assumed for every inverter model.

Before purchasing, check:

  • Inverter battery voltage compatibility.
  • Supported CAN or RS485 communication protocol.
  • Battery charging voltage settings.
  • Maximum charging current.
  • Maximum discharging current.
  • Inverter battery configuration and firmware requirements.

Hajvery Solar Energy can assist buyers with product information and compatibility enquiries. Share the exact inverter model and battery details before installation.

For help with battery and inverter selection, visit Hajvery Solar Technical Support Services.

Parallel Expansion

The battery supports up to 16 units in parallel. This feature allows a compatible energy storage system to be expanded by connecting additional battery units.

Parallel installation must follow the manufacturer’s connection requirements. Battery configuration, communication wiring and inverter support should be checked before connecting multiple units.

Technical Specifications

Specification Value
Brand Nimbess
Product Model ES-BOX12S(LCD)
Battery Chemistry LiFePO4 (LFP)
Nominal Voltage 25.6V
Nominal Capacity 100Ah
Nominal Energy 2.56kWh
Depth of Discharge (DoD) 80%
Cycle Life More than 8,000 cycles under specified test conditions
Standard Charge Voltage 28.4V
Maximum Discharge Current 100A
Discharge Cut-off Voltage 22.4V
Maximum Charging and Discharging Rate 1C
Communication Interfaces RS485, CAN, USB/RS232
Parallel Support Up to 16 units
IP Rating IP20
Functions WiFi APP, Touchscreen, Breaker
Installation Method Wall-mounted / Floor-standing
Dimensions (W × H × D) 350 × 470 × 150mm
Net Weight 28kg
Charging Temperature 0°C to 55°C
Discharging Temperature -20°C to 55°C
Pack Certifications CEI 0-21, CE, IEC 62619, UL 1973, MSDS, UN38.3
Cell Certifications UL 1642, IEC 62619, CE, EMC, RoHS, MSDS, UN38.3
Warranty 5-year standard warranty

Estimated Backup Time

Backup time depends on usable battery energy, inverter efficiency and the actual connected load.

At 80% DoD, the approximate battery-side usable energy is 2.048kWh. The following figures are theoretical energy-based estimates before inverter losses:

Average Load Estimated Battery-Side Runtime
500W Approximately 4.10 hours
1kW Approximately 2.05 hours
2kW Approximately 1.02 hours

These are estimates, not guaranteed backup times. Actual runtime may be lower due to inverter losses, battery condition, temperature, load variation and current limits. The connected load must remain within the battery’s maximum discharge capability.

Lithium Battery Use in Pakistan

Solar battery performance depends on correct installation and operating conditions. In Pakistan, higher summer temperatures and frequent load-shedding cycles make battery placement and inverter configuration especially important.

For the Nimbess IP20 battery:

  • Install the battery in a suitable indoor or covered location.
  • Keep it away from rain, water and excessive moisture.
  • Provide suitable ventilation and follow the installation requirements.
  • Avoid direct exposure to excessive heat and sunlight.
  • Use compatible inverter charging and discharging settings.
  • Keep the connected load within the battery’s current limits.
  • Use a qualified installer for electrical connections and commissioning.

The IP20 rating should be considered when selecting the installation location. This battery should not be treated as a waterproof outdoor battery.

For additional information about lithium battery technology and energy storage in Pakistan, explore Lithium Batteries in Pakistan – Complete Guide, Benefits and Future of Energy Storage.

Nimbess 2.56kWh IP20 Lithium Battery Price in Pakistan

The Nimbess 2.56kWh IP20 Lithium Battery is available at Hajvery Solar Energy for residential solar storage and suitable backup applications.

The current price of Nimbess 2.56kWh IP20 Lithium Battery in Pakistan is Rs. 118,000 per unit.

For bulk purchases, dealer enquiries and current availability, contact Hajvery Solar Energy through the Contact Us page. Buyers can also request guidance about battery voltage, inverter communication and system suitability before placing an order.

Hajvery Compatibility and Authenticity Check

Hajvery Solar Energy helps customers identify suitable solar equipment and understand important product details before purchase.

As the Nimbess Official Distributor, Hajvery Solar Energy assists customers with product enquiries and purchasing guidance.

You can also contact Hajvery Solar Energy as a Nimbess authorized dealer for product availability, pricing and technical compatibility enquiries.

For dealership information, visit the Hajvery Solar Authorized Dealership Certificates page. This page provides access to available dealership documents and brand information.

Warranty and After-Sales Support

The Nimbess 2.56kWh IP20 Lithium Battery comes with a 5-year standard warranty. Warranty coverage is subject to the applicable warranty terms and conditions.

Hajvery Solar Energy can guide buyers towards the relevant product information and support contact for warranty-related enquiries.

Hajvery Solar Energy is also an Official Nimbess Distributor and an authorized Nimbess dealer, helping customers with product enquiries and purchase guidance.

For assistance, share the battery model, purchase details and relevant warranty information with the support team. You can also reach the team through Technical Support Services.

Before You Buy

Before purchasing this battery, check the following:

  • Battery Voltage: Confirm that your inverter supports a 25.6V low-voltage battery.
  • Energy Requirement: Check whether 2.56kWh nominal storage meets your backup needs.
  • Maximum Load: Keep the connected load within the battery’s discharge current limit.
  • Inverter Communication: Confirm support for CAN or RS485 communication.
  • Charging Settings: Configure the inverter according to the battery’s charging voltage and current limits.
  • Parallel Expansion: Confirm that the inverter and installation support the required number of parallel batteries.
  • Installation Location: Select a suitable location for an IP20-rated battery.
  • Warranty: Review the applicable 5-year standard warranty terms.

Frequently Asked Questions

1. What is the energy capacity of the Nimbess 2.56kWh IP20 Lithium Battery?

It has a nominal energy capacity of 2.56kWh, a nominal voltage of 25.6V and a capacity of 100Ah.

2. What is the battery chemistry?

The battery uses Lithium Iron Phosphate (LiFePO4/LFP) chemistry.

3. What is the IP rating of this Nimbess battery?

It has an IP20 enclosure rating. Select a suitable indoor or covered installation location and protect the battery from water and moisture.

4. How many batteries can be connected in parallel?

The battery supports up to 16 units in parallel, subject to compatible system design and the manufacturer’s installation requirements.

5. Which communication protocols does it support?

It supports CAN, RS485 and USB/RS232 communication interfaces. The inverter must support the relevant protocol and configuration.

6. What is the maximum discharge current?

The maximum discharge current is 100A. The connected load and inverter configuration must remain within the battery’s operating limits.

7. What is the warranty period?

The battery comes with a 5-year standard warranty, subject to applicable warranty terms and conditions.

8. What is the current price of the Nimbess 2.56kWh IP20 Lithium Battery in Pakistan?

The current price of Nimbess 2.56kWh IP20 Lithium Battery in Pakistan is Rs. 118,000 per unit. Contact Hajvery Solar Energy to confirm the latest availability.

Buy Nimbess 2.56kWh IP20 Lithium Battery from Hajvery Solar

Choose Hajvery Solar Energy for your Nimbess lithium battery purchase in Pakistan. Our team can assist with product enquiries, current pricing, dealer enquiries and battery-inverter compatibility checks.

Contact Hajvery Solar for genuine product enquiries, retail and dealer quotations, and delivery arrangements across Pakistan. To enquire, visit our Contact Us page. For company details, visit the official NIMBESS website.

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