I beg your pardon, Martha - I though you were using the chuck with 2 smaller batteries - my apologies.
Yes, you will absolutely see a difference between 3v and 3.7v batteries. With the 3.7v battery, you will see performance similar to the OEM battery for your 510, but it will last longer.
3v is insufficient to 'fire up' the atomizer.
Yes, you will absolutely see a difference between 3v and 3.7v batteries. With the 3.7v battery, you will see performance similar to the OEM battery for your 510, but it will last longer.
3v is insufficient to 'fire up' the atomizer.