inputs.text: price great stock quality - lithium ion trucell rechargable battery musthave gogroove sonawave speaker [ [ asinb005g02wve gogroove sonawave portable stereo speaker system apple iphone 4s htc motorola smartphones plays music device memory card stick includes cleaning kit ] ] [ [ asinb0064et00m gogroove sonawave portable stereo speaker system barnes noble nook tablet includes microfiber cleaning cloths ] ] one speaker systems often use kindle fire teenage son also connects ipod use speaker lot problem weve speaker not show ` much battery charge charging no way \\see\\ progress charge \\fullness\\ battery basically avoid frustration ive found best fully charged \\backup\\ battery one sonawave speaker systems replacement battery necessity specific trucell quality good holds charge 4 hours play sonawave thats pretty good considering original battery came system lasted 3 hours best connectors \\gold\\ tipped outer plastic casing seems solid one price im able \\stockup\\ buy 3 4 replacement batteries live south florida prone tropical storms occasional power outages least batteries affordable allow ensure proper \\arsenal\\ battery power devices also imagine replacement batteries around road airplane trip camping running errands kids would helpful reassuring dont guess battery going \\conk\\ way im covered