The Freedom Won eTower 5kWh (52 V LiFePO₄) Battery including accessories – model E5000 is a compact, high-quality energy storage solution designed to support households and small commercial applications in Tanzania. With a nominal capacity of 5 kWh per module, a nominal voltage of 52 V, and a chemistry of LiFePO₄, this system provides robust back-up power, solar storage or inverter-battery integration with a long service life. The package includes pedestal, DC cables, busbars and communication cables, making installation simpler. With a 10-year limited warranty and design life over 15 years, this battery is positioned as a reliable investment for off-grid, hybrid solar or grid-tied systems.
Features & Benefits
- Modular scalability: The eTower modules can be stacked (towers of 1 to 6 units) to reach capacities from 5 kWh up to 30 kWh. This flexibility means you can start with one and expand as your power storage needs grow.
- High-quality LiFePO₄ chemistry: Provides enhanced safety, longer cycle life and better thermal stability compared to older battery types (e.g., lead-acid), making this suited for environments with fluctuating grid reliability.
- High depth of discharge: Manufacturer recommends 80% DoD for optimal life but allows up to 90% usable.
- Smart communication and control: With CAN, RS485, RS232 interfaces, the battery integrates with modern inverter systems, enabling smart monitoring, load management and system optimisation.
- Complete accessory package: Comes with everything you need to connect to your inverter: mounting pedestal, correct DC cables, busbars for stacking, etc. This reduces hidden costs and simplifies installation.
- Long warranty and life expectancy: With 10-year limited warranty and >15 year design life, you’re investing in a system that can serve decades with proper maintenance.
- Indoor-friendly form factor: Whilst it requires indoor placement away from direct sun/heat, its size makes it feasible for residential settings or small commercial installations without huge space demands.
- Robust protection systems: The internal BMS handles multiple protective functions, contributing to overall system safety and reliability—important for Tanzanian installations where environmental and grid conditions may be challenging.
Use Cases
- Residential solar storage: In Tanzania, many homes face power outages or unreliable grid supply. This battery supports a rooftop solar system by storing daytime generation for evening use or providing backup during outages.
- Small business/commercial backup: Shops, guesthouses, clinics or offices in Tanzania can use the battery to maintain operations during load-shedding or power disruptions, keeping lights, refrigerators, computers or other critical equipment running.
- Hybrid off-grid systems: For locations without reliable grid connection, the eTower can be part of a solar-plus-battery setup, reducing reliance on diesel generators and lowering fuel costs and emissions.
- Inverter upgrade or replacement scenario: If a Tanzanian customer already has a 48 V inverter or hybrid system, the 52 V nominal battery aligns well (must ensure inverter compatibility), making retrofit viable.
- Scalable future-proofing: Start with a single 5 kWh unit, and add modules as your power or storage needs increase (for example when adding more solar panels, loads or commercial growth).
Value Propositions for the Tanzanian Market
- Reduced electricity cost and improved reliability: With frequent grid interruptions and rising utility tariffs in Tanzania, storing solar energy or avoiding expensive generator use delivers tangible cost savings and peace of mind.
- Lower maintenance and long life vs traditional batteries: Many local installations may still use lead-acid or lithium batteries of lesser quality; the eTower’s LiFePO₄ chemistry offers fewer replacements and less maintenance over time.
- Scalability supports growth: For Tanzanian customers planning to expand (home to rental rooms, small enterprises, clinics), the modular design means you only invest now and scale later.
- Enhanced resale and value retention: High quality brand and long life warranty can support better resale value or longer service life than generic/unbranded battery packs.
- Compatibility with local solar ecosystem: Tanzania is increasingly installing solar-hybrid systems; a battery with modern communication interfaces and compatibility with many inverter brands aligns well with the trend.
- Support for sustainability and green image: For businesses in Tanzania, using a high-end energy storage solution signals commitment to sustainability, which can be a differentiator especially in hospitality or commercial sectors aiming to attract eco-conscious customers.
Local Market Positioning
In the Tanzanian market, this battery can be positioned as a premium energy storage solution suitable for those serious about reliability, performance and future-proofing. It may command a higher initial investment compared to basic batteries, but the long-term total cost of ownership (TCO) advantage, modular scalability and high performance are strong differentiators. To win market share:
- Emphasise the 10-year warranty and >15-year design life — a rare combination in regional battery offerings.
- Highlight the accessory-inclusive package (pedestal, cables, busbars) which reduces installation complexity and hidden costs.
- Stress compatibility with popular 48 V inverter systems and hybrid solar setups in Tanzania — customers can upgrade without reinventing their entire system.
- Position it for both residential premium customers (with solar, backup) and commercial clients (guesthouses, clinics, offices) who need reliable power and are willing to invest for long run performance.
- Offer financing or lease-options combined with solar installers to make the higher-end nature of the product more accessible to Tanzanian buyers.
- Provide local installation and servicing partnerships (or at least distribution support) to overcome customer concerns about import logistics, maintenance and after-sales service.
Technical Specification
| Battery Type | LiFePO₄ (Lithium Iron Phosphate) |
| Nominal Energy | 5 kWh |
| Usable Energy (80% DoD) | 4 kWh |
| Nominal Voltage | 52 V |
| Voltage Range | 47 V (min) – 56 V (max) |
| Capacity (Ah) | 100 Ah |
| Max Charge Current | 80 A |
| Continuous Charge Current | 70 A |
| Max Discharge Current | 100 A |
| Continuous Discharge Current | 90 A |
| Max Charge Power | 4.2 kW |
| Continuous Charge Power | 3.6 kW |
| Max Discharge Power | 5.2 kW |
| Continuous Discharge Power | 4.7 kW |
| Recommended Inverter Rating | Up to 5 kVA (per module) |
| Scalability | Stackable up to 6 modules (30 kWh total) |
| Cycle Life | > 6000 cycles (at recommended DoD) |
| Design Life | > 15 years |
| Warranty | 10 years limited warranty |
| Communication Ports | CAN Bus (RJ45), RS485, RS232 |
| Protection Systems | Over-current, over/under-voltage, temperature protection, minimum SOC cutoff, weak cell protection |
| Operating Temperature | Manufacturer specifies indoor, non-heat environment |
| Installation Type | Indoor use only |
| Enclosure | Steel, painted white |
| Dimensions (with pedestal) | 247 mm (H) × 460 mm (W) × 463 mm (D) |
| Weight | 45 kg |
| Included Accessories | Pedestal, DC cables (1.8 m, 35 mm²), interconnecting busbars, CAN/RS485 communication cables, inverter interface cables |




