EcoFlow Smart Extra Battery for DELTA PRO Power Station (3600Wh)
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- Energy Capacity: Giant 3600Wh (3.6kWh) storage volume to easily double or triple your running times.
- Cell Architecture: Premium Lithium Iron Phosphate (LiFePO4 / LFP) technology for enhanced thermal safety.
- Ecosystem Scaling: Supports stacking of up to 2 units to expand total capacity to a massive 10.8kWh.
- Charging Velocity: Leverages DELTA Pro’s multi-charging system up to 6500W MultiCharge speed.
- Emergency Recharging: Direct 1800W DC fast charge capability via the EcoFlow Smart Generator interface.
- Physical Profile: Built with smooth rear wheels and a durable shell measuring 63.5 x 28.5 x 41.6 cm.

KSh 215,000.00 Exclusive of 16% VAT
Description
EcoFlow Smart Extra Battery for DELTA PRO Power Station (3600Wh) Price in Kenya
The EcoFlow Smart Extra Battery for DELTA PRO Power Station (3600Wh) serves as the foundational building block for establishing modular energy independence. When connected directly to your core DELTA Pro base unit, it scales your total immediate electrical reservoir from 3.6kWh to a massive 7.2kWh. If your operational demands grow, you can attach two extra batteries simultaneously to hit a spectacular 10.8kWh total capacity.
This deep storage scale allows essential home appliances—such as medical gear, double-door refrigerators, sump pumps, and water heaters—to run seamlessly for days during major grid outages. Instead of managing restrictive energy budgets when power drops, users can operate heavy-duty gear with total confidence. The expansion provides an exceptional budget advantage, delivering massive electrical volume expansion at up to 30% lower cost compared to buying another standalone power station.
Performance Optimization and Shared Intelligent Recharging
Operating this advanced battery system is completely effortless thanks to its smart plug-and-play integration. By joining the units together with the included heavy-duty extra battery cable, the expansion module links into the primary power station’s main processing hub. Once connected, they charge and discharge in unison, matching their cell percentage levels evenly. This protects cell health and prevents one chassis from draining faster than the other.
Because the system works as a unified ecosystem, the extra unit inherits every single advanced charging pathway of the main station. It supports ultra-fast wall outlet charging, high-volume solar panel input, EV charging station loops, and car adapter interfaces. When hooked together, the combined system handles a maximum 6500W MultiCharge configuration. This speeds up your turnaround times drastically so you are always prepared for unexpected blackouts.
Design & Build Engineered for Heavy-Duty Mobility
Managing heavy-duty power requires smart structural layout and premium industrial design. Weighing roughly 38 kg, this storage module features a rugged outer shell built to withstand the physical demands of job sites and overlanding trips. To make transportation straightforward, it integrates heavy-duty rear wheels and an ergonomic pull handle, allowing you to roll the massive power asset smoothly across flat floors and uneven surfaces.
The front face of the unit features a bright, easy-to-read LCD screen that delivers essential telemetry data instantly. It displays input wattage, output wattage, remaining capacity percentage, and precise operational hours at a glance. Additionally, the top section of the enclosure includes a secure storage compartment. This keeps your specialized proprietary terminal cables neatly organized and protected against loss when traveling between locations.
Safe LFP Cell Chemistry with a 10-Year Lifespan
Long-term dependability remains a central highlight of the inner cell architecture of this power module. Built around advanced Lithium Iron Phosphate (LiFePO4) cell chemistry, it provides incredible stability even under high-stress workflows. The high-density LFP cells are rated for an exceptional 3,500+ charging cycles before dropping to 80% of their original capacity, and over 6,500 cycles to 50% capacity.
This translates directly into more than a decade of reliable daily operations, drastically outlasting traditional lithium-ion alternatives. Safety is further enhanced by a real-time Battery Management System (BMS) that monitors internal operations constantly. This smart layer protects against voltage spikes, short circuits, thermal overloads, and overcurrent scenarios instantly. It provides an elite tier of operational safety, ensuring your family, appliances, and power gear stay completely secure.
Emergency Readiness via Direct Smart Generator Integration
When severe environmental conditions cut off traditional solar inputs and standard electrical wall grids, this model provides an ingenious safety net. The rear panel includes a dedicated proprietary terminal designed to hook directly into the EcoFlow Smart Generator. This advanced integration works completely independently, allowing you to feed energy directly into the extra battery even when it is disconnected from your main DELTA Pro station.
When connected, the generator initiates an ultra-efficient 1800W DC fast charge sequence that cuts down fuel consumption and reduces power conversion losses significantly. Outside of emergency scenarios, users can easily track their setup using smart app integration. The unit connects effortlessly to your home network via built-in Wi-Fi and Bluetooth. This lets you monitor usage statistics, adjust input speeds, and manage system settings remotely using the official EcoFlow application
| Feature | Specification Details |
| Brand | EcoFlow |
| Product Name | DELTA Pro Smart Extra Battery |
| Model Code | DELTAPROEB-US / EFD521-EB |
| Battery Capacity | 3600Wh (48V) |
| Battery Chemistry | Lithium Iron Phosphate (LiFePO4 / LFP) |
| Cycle Life | 3,500+ Cycles to 80% capacity / 6,500+ Cycles to 50% capacity |
| Lifespan Expectancy | Equivalent to 10+ Years of regular daily use |
| Input Port Mechanics | Extra Battery Port Input: 48V, 3200W Max |
| Output Port Mechanics | Extra Battery Port Output: 45V–54V, 4260W Max |
| Direct Generator Charging | Dedicated connection port for EcoFlow Smart Generator (1800W Max) |
| Display Panel | High-definition integrated front LCD screen |
| Wireless Interfaces | Wi-Fi and Bluetooth smart tracking protocols |
| App Management | Real-time monitoring via official EcoFlow application |
| Product Protection | Overload, Over-temp, Short-circuit, Low-temp, Over-current protections |
| Net Weight | Approximately 38 kg (84 lbs) |
| Dimensions (L x W x H) | 25 x 11.2 x 16.4 in / 63.5 x 28.5 x 41.6 cm |
| Certification Profiles | UL, CE, FCC, RoHS, Telec |
| Manufacturer Warranty | 5-Year Comprehensive Coverage Plan |







