Lithium 12v 10A/20A Battery Charger Kit Deep Cycle Li-ion for Alarm System LED
Weight: 10A--0.74kg ; 20A--1.02kg. Upgrade 3s 12v battery support series or parallel(12-48v). Internal resistance: 30 m Ω. Super long cycle life more than 1000 cycles. Current output mode: positive and negative.