SMA Sunny Boy SB4000 TL‑20 – 4.0 kW Solar PV Inverter Yellow Cover

Dual MPPT | 4000 W | High‑Efficiency Model

The Sunny Boy SB4000 TL‑20 is a premium 4 kW solar inverter featuring dual MPPT trackers, allowing you to run two independent strings for maximum system flexibility and performance. Widely regarded as one of the top inverters in its class, it delivers excellent efficiency, reliability, and long‑term durability.

Item Details

• Bare unit only
• No wall bracket or ESS isolator handle included
• Removed from a fully functioning system
• Ideal for replacements, upgrades, or system repairs
• International shipping available

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Why buy from us

• Registered company offering technical assistance by phone or email
• VAT invoice supplied with every purchase
• We specialise in recycling used solar equipment, helping reduce waste and support sustainability
• All items are tested & inspected in our workshop using specialist equipment
• Includes a 3‑month warranty unless otherwise stated
• Friendly support — we’re happy to help with setup or discuss any item you’re considering

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