
Tesla Powerwall 3 - 3x MPPT 11.04kW 1PH Inverter with 13.5kWh Battery
- UK stock — no drop-ship delays
- MCS-certified products
- Industry-lowest trade rates
- Free system design support
- Match inverters to panels with our online tool
- G98 / G99 compliance flagging
- Real-time stock availability
- Next-day delivery on stocked items
- Pallet quantities available — request a quote
- Dedicated account support
- Tesla Powerwall 3 - 3x MPPT 11.04kW 1PH Inverter with 13.5kWh Battery
- Part No: TES-POWERWALL-3
- Storage Systems - Li-ion Battery Pack
- Energy Capacity - 13.5 kWh
- On-Grid Power - Up to 11.04 kW
- Up to 11.04 kW, depending on local conditions
- Quick backup transition
- Solar-to-grid efficiency 97.5%
- 3 solar inputs with Maximum Power Point Trackers
- Installer must be MCS certified and accredited with RECC or HEIS
- Apply to be a Tesla Certified Installer directly with Tesla using the link below.
- Tesla will review your application and if suitable you will be sent a contract and NDA to sign.
- Once returned this will be countersigned by Tesla. Once countersigned you will be Tesla certified and can begin marketing the Tesla products.
- Upon confirmation from Tesla, Segen will make products live for you to view and order through the Segen Portal.
Tesla Powerwall 3 can deliver 11kW discharge & 5kW charge with 13.5kWh of fully useable energy. Powerwall 3 achieves this by supporting up to 20 kW DC of solar and providing 11.04 kW AC of continuous power per unit. It has the ability to store up to 13.5 kWh of energy and start heavy loads rated up to 185 A LRA, meaning a single Powerwall 3 can support the power needs of most homes.
Power
Backup Power
Inverter
Energy That’s There When You Need It
Powerwall ensures reliable backup protection, withstanding extreme weather, cold temperatures, high humidity, and up to 0.6 meters of water.
Charge on Solar
Optimise your stored energy to charge your EV with clean energy anytime, even during outages. Adjust settings to use only excess solar energy for charging
Single Phase Package - TES-POWERWALL3-PACK
Looking to simplify your installation? Doncaster Cables, Tesla approved Powerwall Connect cable incorporates the power conductors, the 12V supply and the data cables required to provide an all-in-one solution to Powerwall installations. Please see: Powerwall Connect
Tesla Approval Process
You cannot install and commission a system until training is completed.
Click Here to apply to be a Tesla Powerwall installer today!
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.

