₨270,000 Original price was: ₨270,000.₨269,500Current price is: ₨269,500.

M. Safeer Electronic
Frequent load shedding, unexpected transformer trips, and rising electricity tariffs are everyday challenges for households and businesses across Karachi. Operating essential equipment during long outages requires a robust energy storage solution that charges quickly, lasts for years, and performs reliably under heavy daily use. Traditional lead-acid or tubular battery setups struggle to keep up, suffering from short lifespans, slow charging speeds, and high maintenance demands.
The 5.1kWh 48V 100Ah IP21 Lithium Battery is engineered to eliminate these vulnerabilities. Built with advanced Lithium Iron Phosphate (LiFePO4) cell chemistry, this battery unit delivers 5120 Watt-hours of clean energy storage. It matches the exact voltage standards of modern 48V hybrid solar inverters, making it the premier choice for homeowners and commercial operators seeking high performance and complete power independence in Karachi.
Standard 48V solar inverters (ranging from 5kW to 6kW and above) are widely used across residential homes in DHA, Clifton, Gulshan-e-Iqbal, and PECHS, as well as commercial facilities in Saddar and Korangi. Instead of wiring four heavy 12V lead-acid batteries together in series, a single 48V lithium module streamlines your installation, optimizes system efficiency, and frees up valuable floor space.
Here is how upgrading to a 5.1kWh lithium storage unit enhances your power backup setup:
Unlike traditional lead-acid batteries that degrade if discharged past 50 percent, this 5.1kWh LiFePO4 battery safely supports an 80 to 90 percent Depth of Discharge. You get to use nearly all of the 5,120 Watt-hours stored inside. This gives you long, continuous power to run air conditioners, inverter refrigerators, water pumps, desktop computers, and whole-house lighting loads during extended outages.
Karachi often experiences load shedding schedules where grid electricity returns for only brief periods. Lead-acid setups require 8 to 10 hours to recharge, leaving you vulnerable during back-to-back power cuts. This 5.1kWh lithium battery accepts high charging currents (up to 100A), allowing it to replenish up to 80 percent of its capacity in just 1 to 2 hours. Your storage remains fully prepared even during tight load shedding cycles.
While conventional batteries require replacement every 1 to 2 years under regular use, LiFePO4 technology offers 3,000 to over 6,000 charge cycles. That equates to a service life of 10 to 12 years of reliable daily performance. Investing in a quality lithium battery drastically reduces your long-term energy costs by eliminating the continuous expense of buying replacement units.
Forget checking fluid levels, topping up distilled water, or dealing with corrosive chemical leaks and hazardous gas emissions. This battery is 100 percent sealed, safe, and maintenance-free. You can install it neatly inside utility rooms, server closets, or living spaces without health or safety risks.
Understanding enclosure ratings helps ensure your battery operates safely over its lifespan:
Solid Object Protection (Digit 2): The IP21 casing protects internal wiring and cells against solid objects larger than 12.5 mm, such as accidental touch by fingers or tools.
Vertical Water Protection (Digit 1): The housing shields internal electronics from light, vertically falling water drops or atmospheric condensation.
Because it carries an IP21 protection rating, this unit is designed specifically for dry, clean indoor installations. Mounting it on an interior wall or placing it inside a dedicated equipment rack keeps it protected from direct outdoor moisture, extreme humidity, and high summer ambient heat.
Managing a high-capacity 5.1kWh power reservoir indoors requires sophisticated safety management. This unit features an integrated Smart BMS that constantly monitors voltage, current, and temperature parameters across all internal cells:
Overcharge and Over-Discharge Protection: Automatically halts charging at maximum capacity and disconnects output before cell damage occurs.
Thermal Management: Prevents overheating during high room temperatures in Karachi’s summer season.
Short Circuit and Over-Current Safeguards: Instantly isolates the system if electrical faults or line surges occur.
Active Cell Balancing: Ensures all internal cells maintain uniform voltage levels for consistent power delivery and extended cycle life.
Equipped with built-in RS485 and CAN communication ports, this 48V lithium battery connects seamlessly with leading 48V hybrid and off-grid inverters on the local market, including brands like InfiniSolar, Inverex, Deye, Sunsynk, and Growatt. The battery communicates directly with the inverter to optimize charging currents and voltage limits automatically.
If your electricity demand grows in the future, this system scales easily. You can connect multiple 5.1kWh modules in parallel to create a 10kWh, 15kWh, or 20kWh energy storage bank without needing to replace your existing inverter setup.
| Specification Parameter | Technical Details |
| Model Type | 48V 100Ah Lithium Energy Storage Module |
| Nominal Energy Capacity | 5.12kWh (5120 Wh) |
| Nominal Voltage | 48V / 51.2V |
| Rated Capacity | 100 Amp-hours |
| Cell Chemistry | Lithium Iron Phosphate (LiFePO4) |
| Protection Rating | IP21 (Indoor Rated Specification) |
| Cycle Life | 3,000 to 6,000+ Cycles at 80% DOD |
| Continuous Charge/Discharge | Up to 100A |
| Inverter Communication | RS485 / CANbus Ports |
| Mounting Style | Wall-Mounted / Server-Rack Compatible |
| Maintenance Need | 100% Maintenance-Free |
Yes, a 5.1kWh lithium battery can power a 1-ton or 1.5-ton DC inverter air conditioner alongside basic lights and fans during load shedding. Depending on room size and temperature settings, a single unit provides 3 to 5 hours of continuous runtime for an inverter AC.
Yes, IP21 is specifically designed for indoor residential and commercial environments. Simply keep the battery indoors in a dry area like an inverter corner, utility space, or office, safely protected from direct rain or outdoor water splashes.
Yes, these 5.1kWh modules support parallel connection. You can start with a single battery today and add more units in parallel as your energy requirements grow.
Take control of your power supply and enjoy uninterrupted electricity across Karachi. Contact our sales team today for current pricing, expert consultation, stock confirmation, and quick doorstep delivery anywhere in Karachi.
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