... battery cycle times5008Carton packing roll/CNT 9Packing size cm 10With charger pcs1Usage:It is suitable for mineral industry,tunnel projects, ... time : more than 13 working hours, double light source design5. Charger AC input : AC110 ~ 240V, 50/60Hz DC output : DC4 ... it go into work normally(This is for meet an emergency)3. Charger(Lithium ion):It adpot isopiestic pressure current limiting charging ...