Sony via eBay offers the refurbished Sony Rechargeable Active Shutter 3D Glasses
, model no. TDG-BR250/B, for $22.49
with free shipping
. That's $10 under our mention of a refurb from August and $16 less than the best price we could find for a new pair. They're compatible with Sony 3D HX909, HX800, or LX900 series HDTVs, 3D source content, and Sony's 3D Sync Transmitter. A built-in battery offers up to three hours of use on a 3-minute charge (via USB).
No warranty information is provided.