Whole-Home Backup Power Systems
LiFePO4 battery storage with hybrid inverters. Power essential circuits — or your entire home — during outages. Solar-charged, silent, maintenance-free.
Choose Your Backup System
Essential Circuit Runtime
Estimated runtime at 90% usable capacity (Wh × 0.9 ÷ device wattage), calculated from each model's current capacity. Actual runtime varies with temperature, age and inverter efficiency.
Essential Circuit Runtime
| Appliance | Wattage | BKES-24100 (2.56kWh) | BKES-48100 (5.12kWh) | 2× BKES-48100 (10.24kWh) |
|---|---|---|---|---|
| LED Lights (5 rooms) | 50W | 46h | 92h | 184h |
| Refrigerator | 150W | 15.4h | 31h | 61h |
| Wi-Fi Router | 15W | 154h | 307h | 614h |
| Phone / Laptop Charging | 100W | 23.0h | 46h | 92h |
| TV / Entertainment | 100W | 23.0h | 46h | 92h |
Whole-Home Runtime
| Appliance | Wattage | BKES-48314 (16.1kWh) | + 1× BKES-48100 (21.2kWh) | + 2× BKES-48100 (26.3kWh) |
|---|---|---|---|---|
| Whole-Home Lighting | 200W | 72h | 95h | 119h |
| Fridge + Freezer | 300W | 48h | 64h | 79h |
| HVAC (central AC) | 3500W | 4.1h | 5.5h | 6.8h |
| Electric Water Heater | 4000W | 3.6h | 4.8h | 5.9h |
| Kitchen (oven / microwave) | 2000W | 7.2h | 9.5h | 11.9h |
Off-Grid Daily Runtime
| Appliance | Wattage | 51.2V 105Ah (5.38kWh) | 2× Parallel (10.76kWh) | 4× Parallel (21.5kWh) |
|---|---|---|---|---|
| LED Lighting | 100W | 48h | 97h | 194h |
| Refrigerator | 150W | 32h | 65h | 129h |
| Well Pump | 750W | 6.5h | 12.9h | 26h |
| Washer / Dryer | 1500W | 3.2h | 6.5h | 12.9h |
| Internet / Router | 20W | 242h | 484h | 968h |
Built for Installers & EPCs
0ms Switchover
UPS mode switches in under 20ms. No interruption.
Solar Ready
Built-in MPPT. Recharge from solar during the day.
APP Monitoring
Wi-Fi/Bluetooth APP. Track battery, solar production, self-consumption.
OEM from 50 pcs
Custom branding, socket configs, firmware.
FAQ
How long will backup last?
5kWh powers fridge+lights+router 8–12 hours. 15kWh runs essentials 24+ hours. Add solar for indefinite runtime.
Will it run central AC?
Yes with 5kW+ inverter. 15kWh runs 3.5kW AC for 3–4 hours.
Need professional installer?
Yes, licensed electrician required. We provide installation guides and commissioning support.
What happens when grid returns?
Auto switches back to grid and recharges battery. No manual intervention.
Spec Your Home Backup System?
We supply solar installers, EPCs and energy brands worldwide.






































