Get a personalized estimate based on your actual usage and local electricity rates
Help us determine your local electricity rates
Select which appliances you'd power with E4H batteries
When do you typically use these appliances?
Optional, but helps improve accuracy
$0.15 → $0.60/kWh
Off-peak to peak pricing
kWh = (Watts × Hours) ÷ 1000
Based on EPA/DOE data
$2-5 × 15-40 events
California DR programs
90% round-trip
LFP battery standard
(Peak rate - Off-peak) × kWh
Time-shift optimization
~200g CO₂/kWh
CA grid intensity