Amazon.com: TenHutt 【Upgrade】 20V 3.0Ah Replacement for SKIL 20V Battery Y519702 BY519603 Battery for SKIL 20V V20 Series Cordless Power Tools Battery with LED Charging Indicator
Amazon.com: Dakota Lithium - 12V 3 Amp LiFePO4 Deep Cycle Battery Charger - Works with all 12V Dakota Lithium Batteries, Input 100-240 volts, 50/60HZ, Output 14.4 volts 3.0 Amps, Smart BMS Communication - 1 Pack : Automotive