Gloworm Fast Chargers are designed to work seamlessly with the Gloworm Power Pack range. USB C connection only. Charge times using the Gloworm Fast Chargers: Power Pack 5 Gloworm 20W Charger - 2 hrs 40min Gloworm 45W Charger - 1hr 45min Power Pack 10 Gloworm 20W Charger - 5hrs 15min Gloworm 45W Charger - 3hr 30min Replacement batteries, chargers and cords for Gloworm systems only Alpha series replacement items are marked as such **POWER PACK BATTERY MODELS ARE NOT COMPATIBLE WITH THE ALPHA MODEL NOR ARE ALPHA BATTERIES COMPATIBLE WITH OTHER MODELS** TECH SPECS Model USB-PD Charger 20W Description Battery Charger Color Black table{border-collapse:collapse;width:100%;}td{text-align: left;padding: 8px;font-weight:350;}tr:nth-child(even){background-color:#f2f2f2}th{background-color:#eb212e;color:white;text-align:left;padding:8px;}.desc ul{font-size:24px;font-weight:600;margin-left:-25px;padding-top:35px;border-top:3px solid #f0f0f0;}.desc li{list-style:none;border-bottom:4px solid #eb212e;width:142px;}