The al ko energy flex range of garden tools are all powered by a single 40v lithium ion battery'. '.strtoupper('t')he 4ah and 5ah batteries are fully rechargeable and offer all the power of a petrol machine but without the exhaust fumes'. '.strtoupper('b')attery powered garden machinery lets the user move freely around the garden without any trailing electrical cables to cause a problem'. '.strtoupper('t')he al ko ht 4055 cordless hedge trimmer has a 55cm blade length and uses double sided reciprocating blades'. '.strtoupper('t')he diamond cut blades can cut through overgrown hedges and shrubs up to a thickness of 20mm'. '.strtoupper('a')s there’s no cable attached to the hedge trimmer you can go right to the end of long hedges without having to use an extension cable or re fuel a petrol tank'. '.strtoupper('f')ully charged a battery can last 120 minutes depending on the cutting conditions'. '.strtoupper('w')ith the battery fitted the hedge trimmer weighs only 3.9kg so can be used by most gardeners'. '.strtoupper('t')he alko ht4055 cordless hedge cutter does not include a battery or charger'. '.strtoupper('t')hese need to be bought separately'. '.strtoupper('s')pecifications