Xtar PB2S can do 1 A charging with one cell. Just use a 1 A input. : r/flashlight
XTAR PB2S Charger 18650 xtar Battery Charger Fast Charger USB C Battery Quick Charger 18650 Unimagined 20700 21700 Charger USB Charger 18650 Batteries Not Included (Black): Amazon.co.uk: Electronics & Photo
Xtar PB2, nabíjačka/ Power bank iba pre nechránené Li-ion 3,6/ 3,7V akumulátory - Rôzne farby - iLed.sk
XTAR - PB2S Two Bay USB-C Battery Bank Charger - Vapoureyes NZ