.pro-gallery-wix-wrapper {display: block !important;} .pro-gallery-wix-wrapper .gallery-item-container {opacity: 1 !important; display: block !important;}

Storm Plus 710W - Solar Kit With Battery

Name: Storm Plus 710W - Solar Kit With Battery
Brand: Thunder

Price

£1,484.99

Ultra-light 3.5 kg panels paired with a 1.92 kWh smart home battery

Free setup video call included
Free UK Delivery

AC Cable

Double-Gang Pattress and Faceplate

Installation

Quantity

Features

Effortless Solar for Every Space
Ultra-light 3.5 kg panels bring high-efficiency power to balconies, fences and patios, creating a refined solar experience without roof work.

Smart 1.92 kWh Energy Storage
Vault captures your daytime solar and delivers it when you need it most, enabling evening self-consumption and savings during peak tariff hours.

Intelligent Optimisation
With advanced AC-coupling and high bidirectional efficiency, the system automatically maximises your solar returns through smart energy management.

Fast, Clean DIY Installation
All essentials are included for a streamlined setup. Mount the panels, connect the microinverter, position the battery. Final grid connection must be completed by a CPS-registered electrician.

Premium Safety and Durability
Storm’s TÜV-certified, flame-retardant IP68 panels pair with Vault’s long-life LiFePO4 cells, IP66 protection and whisper-quiet natural cooling for a truly dependable home power system.

Designed for UK Homes
Engineered with compliance in mind, the system integrates seamlessly into small flats and houses, delivering reliable clean energy day and night.

What's in the Box

4× Solar panels
1× 1.92 kWh Battery (LiFePO₄)
1× Hoymiles HMS-800W-2T microinverter
1× AC connection cable
2× Y-branch DC connection cable
1× Microinverter stand
1× Double pole isolator
2× Disconnect tools
20× Elastic straps
1× Set of solar warning labels
1× Installation guide

Panels, battery, and kit accessories are delivered in separate boxes.

Battery Key Specs

• Battery Capacity: 1.92 kWh (LiFePO₄)
• Rated Output Power: 800 VA (adjustable up to 2000 VA via app)
• Peak Output Power: 1200 VA (10 seconds)
• Battery Life Cycle: ≥ 6000 cycles
• Efficiency: 96.5% bidirectional / 87% round-trip
• Voltage & Frequency: 230 V AC, 50 Hz
• Protection Level: IP66 (waterproof & dustproof)
• Cooling: Natural convection, fanless (<17 dB)
• Operating Temperature: −20 °C to +55 °C
• Dimensions: 460 × 240 × 203 mm
• Weight: 24 kg
• Mounting Options: Wall-mounted or floor-mounted
• Connectivity: Bluetooth & 2.4 GHz Wi-Fi
• App Control: S-Miles Home App
• Warranty: 10 years
• Compliance: IEC 62477-1 / IEC 62619 / IEC 63056 / UN 38.3 / VDE-AR-N 4105 (2018)

Downloads

20-Year Financial Projection

Storm 710W Solar Kit With Battery

System Size

0.71 kWp

4 × Storm 178W

Year 1 Generation

525 kWh

London estimate

Year 1 Savings

£298

At 30p/kWh

Payback Period

~5 Years

April '26 prices

20-year financial projection Chart With Battery.png

Year-by-Year Breakdown

Year	Elec rate (p/kWh)	Generation (kWh)	Self-use (kWh)	Self-use savings (£)	Battery arbitrage (£)	Annual total (£)	Cumulative (£)
1	30.00	525	525	£157	£140	£298	£298
2	30.90	521	521	£161	£144	£305	£603
3	31.83	517	517	£165	£149	£313	£916
4	32.78	514	514	£168	£153	£322	£1,238
5	33.77	510	510	£172	£158	£330	£1,568
6	34.78	506	506	£176	£163	£339	£1,907
7	35.82	503	503	£180	£167	£348	£2,254
8	36.90	499	499	£184	£172	£357	£2,611
9	38.00	496	496	£188	£178	£366	£2,977
10	39.14	492	492	£193	£183	£376	£3,353
11	40.32	489	489	£197	£188	£386	£3,738
12	41.53	486	486	£202	£194	£396	£4,134
13	42.77	482	482	£206	£200	£406	£4,540
14	44.06	479	479	£211	£206	£417	£4,957
15	45.38	475	475	£216	£212	£428	£5,385
16	46.74	472	472	£221	£218	£439	£5,824
17	48.14	469	469	£226	£225	£451	£6,275
18	49.59	465	465	£231	£232	£463	£6,737
19	51.07	462	462	£236	£239	£475	£7,212
20	52.61	459	459	£241	£246	£487	£7,699

Annual consumption: 2,700 kWh (Ofgem typical medium household). Winter 60% / Summer 40%.
System: 4 x Storm 178W flexible solar panels (TopCon monocrystalline), total 0.71 kWp. Microinverter: Hoymiles HMS-800W-2T (800 VA, 2 MPPT, 96.7% peak efficiency).
Orientation: Modelled at 90-degree vertical mounting (typical for fence or balcony railing). This is a conservative estimate. Tilting panels to a more favourable angle will increase generation.
Year 1 generation: 525 kWh (estimated for London, based on typical balcony/fence mounting).
Panel degradation: 2% in year 1, 0.7%/year thereafter (conservative estimate for flexible ETFE panels).
Seasonal generation split: Winter 28% / Summer 72% (Thames region profile).
Self-consumption rate: 100% year-round. System output is well below household demand, so all generation is consumed on-site.
Electricity tariff: 30 p/kWh peak (average smart time-of-use daytime rate), 7 p/kWh off-peak (overnight rate), 3% annual inflation.
Battery: Hoymiles HiBattery 1920 AC (HB-1920-AC-SV), 1.92 kWh usable capacity, LiFePO4 cells, AC-coupled, 87% round-trip efficiency, IP66, 6,000+ cycle life, 10-year warranty.
Battery arbitrage: Off-peak grid charging at overnight rates, peak discharge during daytime. 365 days per year at full capacity (1.92 kWh). Solar generation is consumed directly by the household and does not charge the battery, leaving full battery capacity available for grid arbitrage year-round. Battery operates at 800W maximum output, sufficient to offset household base load during peak hours.
87% round-trip efficiency.

Battery arbitrage savings assume the customer is on a smart time-of-use tariff with off-peak overnight rates. Actual returns may be higher or lower than projected
depending on tariff availability and usage patterns. All figures are estimates based on the assumptions above and should not be considered as guaranteed
returns.