Description
The Feston FES-5K-Rack is a lithium-ion solar storage battery built on safe, long-life LiFePO4 chemistry, storing 5.12 kWh of usable energy for night time use, grid failure backup, or off-grid power. It charges flexibly from either solar or the grid, with a 90% depth of discharge ensuring you get the most out of every cycle.
With a life cycle of 6000, maintenance-free operation, and support for up to 16 batteries in parallel, the FES-5K-Rack scales easily from a single home backup to a large storage bank, backed by a 10-year warranty.
Safe, scalable lithium storage for solar systems
- 5.12 kWh total capacity at 100% depth of discharge
- Safe, long-life LiFePO4 battery chemistry
- 51.2V nominal voltage with 100 Ah rated capacity
- 90% depth of discharge for maximum usable energy
- 6000 life cycles for years of dependable service
- Charges from solar or grid for flexible energy management
- Supports up to 16 batteries in parallel for easy expansion
- 50A standard charging and 100A discharging current
- Built-in protection against overcharge, under voltage, over temperature, over current, and short circuit
- Maintenance-free operation with long lifespan
- Rack design with castor wheels for stackable installation
- 10-year warranty for long-term peace of mind
Warranty
Stander warranty 5year purchased inverter with battery covered by 10 years
Return policy
Return Window: Products may be returned within 3 days of the delivery date in case of any damages through Sun AP Ecopower portal on website support with proof and serial number
- Only for damaged goods as replacement. No refund
- The product must be returned in its original condition with all packing, manual, and accessories.
- Returned items must be unused, uninstalled, and in their original packaging.
- Take Videos & photos of the product, unpackaging, and any defects to support your return request and should be approved before return pick up.
Damaged Material
Return only for shipping damage : In case of no replacement product stocks being available within 10 days of product return to Sun AP Ecopower, then Sun AP Ecopower team will communicate to client for delay and in case client refuses further extension for replacement, then Sun AP Ecopower at its discretion choose to to Refund the value of purchase, which will be processed after deducting 10% towards shipping and handling charges, provided the material is returned in good condition.
- Replacement if reported within policy terms.
- Available, subject to verification
- Refunds for above clause 3a, will be processed within 3 to 7 business days after the returned item is received and inspected.
- The final refund amount will be determined after assessment of the returned product’s condition and any applicable deductions.
- Original packing Required / Yes.