Octopus Energy (UK) · 3.84kWh LFP Storage
Anker SOLIX F3800 (3.84kWh / 6000W Split-Phase 120V/240V TOU Battery) Payback on Octopus Energy UK — Intelligent Octopus Go & Octopus Flux
Under UK SI 2026/848 (effective Aug 27, 2026), British households can combine 800W plug-in solar + LFP batteries with Octopus Energy's 7.5p/kWh overnight charging to avoid 39p/kWh evening peak rates.
2026 NEM 3.0 & Peak-Shaving Calculator
Peak Window: 4:00 PM – 7:00 PM
Home Battery Time-of-Use (TOU) Arbitrage Calculator — Octopus Energy UK — Intelligent Octopus Go & Octopus Flux
1.6 kWh3.84 kWh18.0 kWh
TOU Arbitrage Savings Output
Rate Spread Captured
£0.48/kWh
Annual Peak Shaving
£610/yr
Simple Payback
5.2 Years
10-Year Net Profit
£3,900
Under UK SI 2026/848 (effective Aug 27, 2026), British households can combine 800W plug-in solar + LFP batteries with Octopus Energy's 7.5p/kWh overnight charging to avoid 39p/kWh evening peak rates.
FAQ
Frequently Asked Questions · Anker SOLIX F3800 (3.84kWh / 6000W Split-Phase 120V/240V TOU Battery) on Octopus Energy UK — Intelligent Octopus Go & Octopus Flux
How much can the Anker SOLIX F3800 (3.84kWh / 6000W Split-Phase 120V/240V TOU Battery) save per year on Octopus Energy UK — Intelligent Octopus Go & Octopus Flux? ▼
With a rate spread of £0.32/kWh between Octopus Energy UK — Intelligent Octopus Go & Octopus Flux's off-peak and peak window (4:00 PM – 7:00 PM), a fully-cycled 3.84 kWh LiFePO4 battery captures approximately £397 in annual peak-shaving utility bill credits.
Does Anker SOLIX F3800 (3.84kWh / 6000W Split-Phase 120V/240V TOU Battery) provide emergency backup power during grid blackouts? ▼
Yes. In addition to daily Time-of-Use rate arbitrage, the Anker SOLIX F3800 (3.84kWh / 6000W Split-Phase 120V/240V TOU Battery) features an integrated automatic transfer switch (EPS/UPS output) that continues powering critical household circuits if grid power is interrupted.
Anker SOLIX
£2799
Anker SOLIX F3800 (3.84kWh / 6000W Split-Phase 120V/240V TOU Battery)
- ✓Native 240V NEMA 14-50 output for EV & Home Panel
- ✓Built-in Time-of-Use (TOU) peak shaving mode
- ✓Expandable up to 26.9kWh
Anker SOLIX
£1099
Anker SOLIX Solarbank 2 E1600 Pro (800W/1200W Plug-in + 1.6kWh LFP)
- ✓Built-in 800W microinverter (expandable)
- ✓1.6kWh LiFePO4 battery (up to 9.6kWh)
- ✓Zero-export smart meter included
Compare Other Batteries on Octopus Energy UK — Intelligent Octopus Go & Octopus Flux:
Check Anker SOLIX F3800 (3.84kWh / 6000W Split-Phase 120V/240V TOU Battery) on Other Utility Tariffs:
PG&E (Pacific Gas & Electric) — E-TOU-C / E-ELECSCE (Southern California Edison) — TOU-D-PrimeSDG&E (San Diego Gas & Electric) — TOU-DR1 / EV-TOU-5Con Edison (New York City & Westchester) — Residential TOUEversource (Connecticut & New England) — Residential Rate 1 / TOURocky Mountain Power (Utah) — Schedule 2E Time-of-Use
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