What Powers You?The SKILPWRCORE 20™ 20V Battery and Charger Starter Kit is a good place to begin. This battery and charger combo kit includes two 20V 2.0Ah batteries and one 20V Standard Charger. The 20V Standard Charger and 20V 2.0Ah batteries are compatible with all SKIL 20V products. With SKILPWRCORE 20™ lithium, industry-leading technology keeps the battery cool and powering on for 25% longer runtime. This patented battery technology also extends the battery life 2X longer. Green LEDs light up to show charge status, so you’ll always know how much charge remains.