15kWh Batteries for Sale in the UK

Here are some 15kWh (or very close to 15kWh) battery options available in the UK, with their prices:

• RenewSolar 15kWh Battery 48V
  • Price: £1,655.00 (includes delivery)
  • Notes: Advertised as “lowest UK price,” works with various inverters and uses 302Ah cells. This is a very competitive price.
• Fogstar Energy 15kWh 48V Rack Battery Bundle
  • Price: From £2,699.99 (exc. VAT)
  • Notes: This bundle typically includes three 5.12kWh rack batteries to reach the 15kWh capacity. Designed for easy integration with leading inverter brands (Victron, Pylontech, Growatt, Solis, Sofar, Goodwe).
• Growatt ALP 15kWh Battery Set (as part of a Growatt SPH 6kW Inverter 15kWh ALP Battery Package)
  • Price: From £3,547.60 (for the package, which includes inverter and cables). The battery set alone might be around £2,938.50 (exc. VAT) based on previous search results.
  • Notes: Modular and stackable design. This is often sold as part of a complete system with an inverter.
• EcoFlow PowerOcean Complete DC battery system with 15kWh storage
  • Price: £5,245.00 (exc. VAT) or £6,925.20 (inc. VAT)
  • Notes: This is a complete system with a DC Fit Converter and typically three 5kWh battery modules. Features advanced safety systems and a 15-year warranty.
• Huawei LUNA Solar Storage Lithium Battery Pack (15KWh)
  • Price: £7,499.99 (exc. VAT) / £8,999.99 (inc. VAT)
  • Notes: A high-voltage modular battery solution compatible with Huawei inverters.
• Livoltek High Voltage battery, 15kWh, IP65, BMS included (BHF-S-15)
  • Price: £3,840.00 (exc. VAT) / £4,608.00 (inc. VAT)
  • Notes: Features IP65 rating for indoor/outdoor installation, long cycle life, and a 10-year warranty. Includes a Battery Management Unit (BMU) controller and three battery modules.
• Pylontech US2000C Lithium Ion Battery Energy Storage 15kWh 48V
  • Price: £3,900.00
  • Notes: This price often includes 6x Pylontech US2000C batteries and a cabinet to achieve the 15kWh capacity. Pylontech is a widely recognized brand for reliable battery storage.
• TERO STACKING 5K INVERTER & 15KWH BATTERY KIT
  • Price: £6,950.00 (exc. VAT) / £8,340.00 (inc. VAT)
  • Notes: This is a complete kit including a 5.0kW inverter and the 15kWh battery.

Comparison to RenewSolar 15kWh Battery (£1650)

As observed previously, the RenewSolar 15kWh battery at £1650 (or £1655) stands out as significantly more affordable than the other 15kWh options listed:

• RenewSolar (£1,655.00): This is the lowest price found for a 15kWh battery unit.
• Fogstar Energy (£2,699.99 exc. VAT): Approximately £1,045 more.
• Growatt ALP (approx. £2,938.50 exc. VAT for battery or £3,547.60 for package): Roughly £1,283.50 to £1,892.60 more.
• Livoltek (£3,840.00 exc. VAT): About £2,185 more.
• Pylontech (£3,900.00): Approximately £2,245 more.
• EcoFlow PowerOcean (£5,245.00 exc. VAT): Around £3,590 more.
• TERO KIT (£6,950.00 exc. VAT): Approximately £5,295 more.
• Huawei LUNA (£7,499.99 exc. VAT): Roughly £5,845 more.

Key takeaway for RenewSolar:
RenewSolar 15kWh battery has a 5 year collect and return warranty and a design life of 15 years. There is a variation on the price where customers wish to swap BMS to match an existing system as part of an upgrade. However any one of the batteries BMS can communicate with a wide range of inverters making them compatible with all inverters. BMS’s can be JK, JBD, PACE or DALY.
RenewSolar offer a wider range of battery cells, including BYD, EVE, CATL, Gotion, and Hithum as part of the line up of battery packs that are offered. Premium batteries have a 10 year warranty. Prices do not include installation

How can RenewSolar offer this price?

RenewSolar is part of a larger business and not for profit, its business model keeps costs down and they marketing costs or other promotional work is not an additional cost passed to the customer, this keeps costs lower. Carefully source like minded business partners also make a cost effective solution to give you the great price rather than line pockets.
Together it is a winner all round.
Think of it like this; Low profit high turn over, or high profits low turn over. Its a business basic; We do not have the expensive costs of business thanks to the international award winning owner. We don’t need to charge more, its really that simple.