Replacement Lithium Ion Battery by Empire GE D016, E1255W, E1410SW BLI-272 Simple installation. Just clip on, no tools required, all necessary Cut-outs for easy access to all ports. Printed in the UK using state of the art heat transfer process. Ultra-thin, lightweight, strong and durable design. Same day turnaround on all products we produce. Designed for BlackBerry Curve 8520 Only.