4XAAA energiser rechargeable batteries reduced to 99p @WHSMITHS
display price is £3.99 but scans at 99p.
went to two different stores but price was the same
ENERGIZER AAA 850mAh NiMH RECHARGEABLE BATTERIES (4 PACK)
Weight 56 gm
Weight Per Cell 14g
Life Expectancy 1000 Charges
Battery Type NiMH
hope this helps someone.
oh and as far as I am aware its an offline/instore deal only and there were plenty available in all the stores i visited.