833442-REFURB 4.8V 4000mAh NiMH Remote Controller battery suit. for Velux Solar Blind (Refurbishment)
4.8V 3.8Ah for Velux 833442 nimh Battery reconditioning
Amazon.com : Norman B5122 Replacement Super Battery for the P400B Power Supply (P400B Requires two Batteries) : Photographic Lighting Power Packs : Electronics