inputs.text: worthy replacehement battery sansa - [ note review updated star rating increased july 2014 ] sansa e280r six years [ 2014 ] originally used long distance airline travel every months occasional usage trips past year used sansa nearly every weekday commute work drivingback originally wrote review recently switched using free opensource rockbox firmware sansa change highly recommend rockbox firmware got using e280 often vastly improved sansas features functionality including giving lightningfast startup times allowing use 16gb minisd card rather stuck factory 2gb limit account new lease life e280 decided shop replacement battery \\just case\\ impression getting little less playing time perhaps due new firmwareafter shopping around chose dekcell replacement battery easy install particularly due included miniature screwdriverwhen first chargedup dekcell battery tested playing time ended 20 hours continuous play little better seeing original battery years use [ update dekcell not seem suffered significant loss capacity past three plus years using including year weekday driving work ] one last note clearly stated item description 650mah battery not know disassembled e280 install dekcell battery original battery rated 750mah light variance capacity originally posted four star rating waited see dekcell would perform time subsequent use shown dekcell battery quality replacement no meaningful differences factory battery price calls five star rating updated review accordingly reflect continued positive experience battery purchased nearly four years agoa good buye dekcell battery quality replacement no meaningful differences factory battery price calls five star rating updated review accordingly reflect continued positive experience battery purchased nearly four years agoa good buy