I don't think the gels last longer per charge since that is dependent on the amp hour rating.
Ugbu a, anaghị m ekwu ma ọ bụrụ na ngwaọrụ ahụ agafeghị usoro nhazi usoro nke ọ ga-arụrịrịrịrị mma, n'ihi na nke a ga-adabere na ịdị arọ nke aluminom ji LG.