Two million bank customers can get free cash boost The bank has launched a new deal for certain customers Chase customers could boost their savings. Over two million customers with a popular bank may be able to boost their finances. Chase customers are being alerted to the offer, which allows them to increase their easy-access savings rate from 3% to 4.8%. ‌ Martin Lewis' Money Saving Expert (MSE) has shared details of the offer and how Chase users can check if they can cash in. ‌ READ MORE: Nationwide says it will pay £200 to certain customers Get our best money saving tips and hacks by signing up to our newsletter They said the savings boost was only available to some customers. Article continues below MSE said: "If you've got a Chase account, check if you can boost your easy-access savings to 4.8% – made up of a 1.8% AER fixed six-month bonus plus its standard 3% variable rate. "Chase says over two million customers can get the boost, which would top our normal savings tables if it were open to all, though it's beaten by the top easy-access cash ISAs. "The new boost is only available to some existing Chase customers. ‌ "Chase hasn't specified the exact eligibility criteria, though it told us you could be eligible even if you've had previous boosts. "If eligible, you should get an email from Chase to let you know. "You should also see the offer on the main page when you open the app. Article continues below "From there, just tap 'Get my boost' and follow the on-screen steps. "Alternatively, you can go to the 'Save & Invest' tab in the app, then hit 'Add +' and choose 'Chase saver with a boosted rate'. They added: "New to Chase? While you're not eligible for this deal, if you open a Chase current account, you can get access to a different easy-access saver, paying a slightly lower 4.75% (made up of its 3% standard variable rate and a 1.75% six-month boost)."