Description
SAKO LI-SUN-51.2V 300AH Lithium Battery
The SAKO LI-SUN-51.2V 300AH Lithium is a high-capacity LiFePO4 energy storage solution designed for residential, commercial, and industrial solar systems. With a massive 15.36 kWh usable energy capacity, the SAKO Li-Sun 51.2V 300Ah Lithium Battery provides reliable, efficient, and maintenance-free power for hybrid inverters, off-grid applications, and backup energy systems.
Built with advanced LiFePO4 technology, the SAKO Li-Sun 51.2V 300Ah Lithium Battery ensures long cycle life, excellent thermal stability, and deep discharge efficiency. Its smart Battery Management System (BMS) protects against overcharging, over-discharging, short circuits, and temperature extremes, delivering maximum safety and longevity.
Ideal for solar energy storage, backup power, and large-scale hybrid setups, the SAKO Li-Sun 51.2V 300Ah Lithium Battery is compatible with most inverters and energy management systems. Lightweight, eco-friendly, and durable, it provides consistent high-output energy while minimizing maintenance needs. Choose the SAKO Li-Sun 51.2V 300Ah Lithium Battery for a reliable, future-proof solar power solution with superior performance and efficiency.

Electrical Specifications
| Parameter | Value |
|---|---|
| Nominal Voltage | 51.2 V |
| Nominal Capacity | 300 Ah |
| Energy | 15,360 Wh (15.36 kWh) |
| Operating Voltage Range | 44.8 V – 58.4 V |
| Recommended Charge Voltage | 58.4 V |
| Charge Current | ≤ 150 A |
| Max Continuous Discharge Current | ≤ 150 A |
| Peak Discharge Current | 200 A (≤ 5 sec) |
| Charge Efficiency | ≥ 98% |
| Discharge Efficiency | ≥ 98% |
| Recommended Depth of Discharge (DOD) | 80% |
| Self-Discharge Rate | ≤ 3% per month |
Applications
✔ Home solar energy systems
✔ Hybrid solar inverter installations
✔ Off‑grid energy storage
✔ Residential & commercial ESS
✔ Backup power systems
✔ Telecom & industrial energy backup
✔ UPS support for critical loads
6. Features & Benefits
- SAKO LI-SUN-51.2V 300AH Lithium
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High-capacity 15.36 kWh energy storage for solar & backup systems
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Advanced LiFePO4 chemistry ensures thermal stability and safety
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Smart BMS protection for over-charge, over-discharge, over-current, and temperature control
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High cycle life: 4000–6000 cycles @ 80% DOD
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Fast charging & high discharge capability
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Lightweight & maintenance-free design
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Eco-friendly, recyclable materials
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Compatible with hybrid inverters, solar systems, UPS, and off-grid solutions
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Reliable power supply for residential, commercial, and industrial applications
7. Applications
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Home Solar Energy Systems – stores solar energy efficiently for night-time use
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Commercial & Industrial Backup – ensures uninterrupted power supply
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Hybrid Inverter Systems – compatible with multiple inverter brands
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Off-Grid Solar Solutions – ideal for remote locations
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UPS & Telecom Backup – provides stable, reliable energy for sensitive equipment
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Energy Storage Systems (ESS) – for renewable energy integration
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Critical Loads – hospitals, data centers, and commercial facilities
8. Safety & Handling Instructions
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Install in well-ventilated indoor locations
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Avoid short-circuiting terminals
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Do not expose battery to direct sunlight or high temperatures
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Avoid mechanical shocks or puncturing the casing
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Use recommended chargers and inverters compatible with LiFePO4 chemistry
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Dispose of battery according to local environmental regulations
9. Warranty & Support
- SAKO LI-SUN-51.2V 300AH Lithium
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Manufacturer Warranty: 3–5 years (or as per dealer)
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Cycle Life Guarantee: ≥ 4000 cycles @ 80% DOD
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Technical Support: Available from authorized dealers in Bangladesh
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Optional Extended Warranty: Check with local suppliers









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