This lithium battery charger 48V 2.3A is perfect for quickly recharging 48V lithium batteries for electric bicycles, scooters. The sans lithium battery charger not only incorporates multi-stage charge algorithms to optimize battery performance and extend their life span, the sans battery charger is also equipped with protection circuits to enhance safety and reliability including reverse polarity protection, backfeed protection(BFP), faulty battery detection /protection, 12 hours time out. The 48V lithium charger is UL1012 battery charger approved. Comes with 2.1mm DC head, the 48V lithium battery charger is compatible with most of the e-bikes powered by 13S lithium batteries.