The 21v Standard Package has a 4.5 NMH batteries giving you a bright long lasting light. With our G2 head you will see amazing burntimes reaching up to 14hrs on high and 350+hrs burn time on low. You are able to choose our G2 with Color just select the color your prefer with upgraded charge. If no color is selected you will be sent the 5 LED with all white bulbs. This light comes with a 4 year warranty with 2 years full and 2 years Prorated.