
Tigo TS4-A-O Retrofit Module-Level Optimiser
TS4-A-O
Tigo TS4-A-O Optimization Unit
The Tigo TS4-A-O is an advanced add-on solution designed for solar modules, delivering optimization, monitoring, and rapid shutdown functionality. It provides design flexibility for installations with unequal string lengths, mixed orientations, or shading, ensuring maximum energy production in all conditions.
- Optimization: Utilises Predictive IV Technology (PIV) to enhance energy output.
- Monitoring: Provides module-level performance data when paired with Tigo's TAP and CCA.
- Rapid Shutdown: Ensures compliance with NEC 2014, 2017, and 2020 safety standards.
- Compatibility: Supports solar modules up to 700W.
- Selective Deployment: Offers the unique ability to deploy only where needed, optimising costs.
- Safety & Monitoring: Includes advanced safety features and detailed system insights.
- Plug-and-Play: Optimises module performance straight out of the box.
- Durability: Tolerates shade and aging to maximise lifetime yield.
- Wireless Integration: Works seamlessly with Tigo TAP and CCA.
- Warranty: Backed by a 25-year warranty for long-term reliability.
Configuration Requirements
- One TS4-A-O per solar module.
- Requires the Tigo Cloud Connect Advanced (CCA) and Tigo Access Point (TAP) for full functionality.
✅ Maximise your solar system's efficiency, safety, and monitoring capabilities with the Tigo TS4-A-O Optimization Unit.

Product | Optimiser |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- STANDARD DELIVERY – 2–3 Working Days From Despatch (subject to stock availability) - £4.99 inc-VAT. (£4.16 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.