Found these. GP also make the batteries for M&S branded batteries. Stock locally in West Yorkshire but is a clearance line.
GP Charger with 4 AA Batteries.
•Over night battery charger.
•Supplied with 4 AA 1800mAh rechargeable batteries.
•Charges up to 4 AA or AAA batteries.
•Charge time 9 hours.
•EAN/Barcode No: 4891199091766.
Current selling price valid until 01/03/2011