X Series Extended Capacity Lithium Battery (30Ah)

Stewart Golf

£350

The new Extended Capacity lithium battery offers a 30% increased size on the standard lithium battery. The Lithium Phosphate 30Ah battery can be used in any X Series (X1, X3, X5, X7, X9 or X10). There are no electronics changes or adjustments necessary; you can just start using the new battery as a direct replacement. The battery is protected by a sophisticated battery management system (BMS) that constantly monitors every cell to ensure the battery is always optimised for best performance and life. It is supplied complete with battery lead and protective neoprene case. You will note that the

Stewart Golf's own words, read from their page.

Buy from Stewart GolfPrice seen 2026-09-04. Affiliate link.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.

UK company
Registered at Companies House as STEWART GOLF LIMITED, number 04993489. Checked 2026-08-29.
Means the business is a British legal entity, not a British-sounding name owned elsewhere. It says nothing about where anything is made.
UK operations
Not yet checked.
Means people employed here, or premises they actually work from. We keep this separate from the company badge because a registered office can be an accountant's spare room, and a company can be registered in Britain while everything it does happens somewhere else. Where we have not looked, we say so rather than assuming.
British-owned
No majority shareholding traced outside the UK. Companies House.
Read from the register of people with significant control, following the chain of holding companies. It does not gate anything: a firm can be made here and owned elsewhere, and that is worth telling you rather than hiding.
Where it is made
The maker doesn't say, so neither do we.
This is about the individual product, not the company. A British firm can sell things made abroad, which is normal and not a criticism. We would rather tell you which is which than average them into a score.