Solis
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Solis FlexHome Stackable Low Voltage Battery System with BMS
£3,013.59
ex VAT
Capacity: 15 kWh (3 modules)
Secure Checkout
14-Day Returns
Tracked Delivery
Store Your SolarUse free power after dark
Long Cycle LifeThousands of charge cycles
Managed & ProtectedBuilt-in battery management system
Solis FlexHome Stackable Low Voltage Battery System with BMS
What you receive depends on the option you choose. Each option below is a different product with its own part number:
| Capacity | Part number |
| 15 kWh (3 modules) | SOL-SBAT-L-ST-OD-15 |
| 20 kWh (4 modules) | SOL-SBAT-L-ST-OD-20 |
| 25 kWh (5 modules) | SOL-SBAT-L-ST-OD-25 |
| 30 kWh (6 modules) | SOL-SBAT-L-ST-OD-30 |
| 35 kWh (7 modules) | SOL-SBAT-L-ST-OD-35 |
| 40 kWh (8 modules) | SOL-SBAT-L-ST-OD-40 |
Buying a bigger size
| Capacity | Price | You save |
|---|---|---|
| 15 kWh (3 modules) | £3,013.59 | — |
| 20 kWh (4 modules) | £3,844.27 | £173.85 (4.3%) |
| 25 kWh (5 modules) | £4,674.95 | £347.70 (6.9%) |
| 30 kWh (6 modules) | £5,505.62 | £521.56 (8.7%) |
| 35 kWh (7 modules) | £6,336.30 | £695.41 (9.9%) |
| 40 kWh (8 modules) | £7,166.97 | £869.27 (10.8%) |
Prices exclude VAT. Savings are against buying the same quantity as 15 kWh (3 modules).
Build your complete solar system
Everything you need in one place.
- Inverters
- Batteries
- Mounting Systems
- Cabling & Accessories
Documents & Certificates
-- Solis_test summary_UN 38.3_FlexHome-BAT5kWh-L-AU_transport_V01 (SOL-SBAT-R5K-L-ST-OD)
CE Declaration of Conformity CE_FlexHome_15_40_kWh_H_FlexHome_5_40_kWh_L (SOL-SBAT-R5K-L-ST-OD)
Data Sheet Solis_FlexHome Stackable Battery LV_Datasheet (PRELIMINARY)_EN (SOL-SBAT-R5K-L-ST-OD)
Installation Manual FlexHome-(5-40)kWh-L Quick Installation Manual(20260430) (SOL-SBAT-R5K-L-ST-OD)
Safety Transport & Handling Documentation Solis_report_SDS_FlexHome-BAT5kWh-L-AU_transport_V01(EH) (SOL-SBAT-R5K-L-ST-OD)
TUV Certificate Solis_FlexHome L_certificate_EN IEC 61000-6-1(-2)(-3)(-4) (SOL-SBAT-R5K-L-ST-OD)
TUV Certificate Solis_FlexHome-(4.66-40)kWh-L(-AU)_Certificate_IEC 62619&IEC 63056 (SOL-SBAT-R5K-L-ST-OD)
TUV Certificate Solis_FlexHome-(5-40)kWh-L_certificate_VDE 2510&PPP 51094A (SOL-SBAT-R5K-L-ST-OD)
User Manual FlexHome-(5-40)kWh-L User manual (20260526) (SOL-SBAT-R5K-L-ST-OD)
Warranty Solis ESS Battery 2026 - Limited Product Warranty (SOL-SBAT-R5K-L-ST-OD)
Shipping & Returns
Delivery times vary by region:
- UK — 1-2 business days
- Highlands & Islands — 1-2 business days
Returns accepted within 14 days of delivery for unused items in original packaging.