Lidl Battery Charger under a tenner is 'Ansmann Energy 8 Charger' which sells for £40ish elsewhere £9.95
I was in Lidl to see if they had rechargeable batteries left - none of the local ones I tried had any - but most had dozens of chargers left unsold three weeks after the offer - and the price has now dropped to a tenner.
I took a look at the charger - as it was very unusual in design - especially being able to charge six AA or AAAs at once (or four C or Ds) and with a different charge circuit for each. The two external places can take two AA/AAAs or a single C or D in each. Additionally it has two sockets for 9v PP3 batteries.
Lidl often sells rebranded products - and from the spec and very unusual connections for the multi battery set up - I compared it to ones on the internet - and I am 99% sure from the spec - set up - and charge rates - it seems to be the Ansman Energy 8 in a different housing. Even the contacts for the batteries are identical in the weird multi battery charge sockets. The LEDs for each circuit also performed identical functions in the sequence and display for each function that circuit was performing.
The cheapest the Ansmann Energy 8 charger is available for elsewhere is £38.99
So even with no batteries available still in Lidl - the charger on its own seems even more of a bargain now, and what;s more is they easily had them left in 3 of the 4 Lidls I visited - and easily had over a hundred in total.
I contacted the manufacturer in Germany (Kompernass Ltd) who confirmed that these chargers are not Ansmann E8 chargers (not even OEM). Even though they look similar and have similar specs, they are from a completely different manufacturer and use different parts.