How does this compare (power and runtime) with Flexvolt 6ah?

The DCBP520C offers 50% more power. The POWERSTACK is compact. Smaller and lighter weight than the regular DCB205 5 Ah. A DCB606 FLEXVOLT used with a 20V tool will offer 6AH. The POWERSTACK is a 5AH that offers 50% more power and efficiency. There are too many variables to provide an accurate run time. Please keep in mind that the higher amp hour battery will provide a longer run time. Please note some tools require more power than others, so a higher Ah/Amp battery will provide a longer runtime.

Brand	DEWALT
Color	Black, Yellow
Input Voltage	20 Volts
Item Weight	2 Pounds
Output Voltage	20 Volts (DC)
Specification Met	CE, FCC, UL

Powerstack 20V MAX Battery Starter Kit, Rechargeable, 5Ah, Lithium Ion (DCBP520C)

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