dicodes Dani Box V2 Manual - Página 8

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05 Main Menu (Page 4)

Notes about very high power vaping

When vaping at high power it is strongly recommended that only the best in class batteries are used and

that all contacts are kept clean.

create power losses in the batteries inner resistance as well as at all mechanical contacts, which finally

will reduce the total vape time and lead to volt drop. The power-losses inside the battery can be significant

as a simple calculation shows:

Example (neglegting efficiency of electronic):

Inner battery resistance 25m

Voltage at battery under load 3.3V

Output Power 80W

We strongly recommend to use the boost-mode for (boost-)powers of >60W or to use the TC mode.

This will prevent to overheat the liquid and help avoiding the creation of hazardous substances.

The box is equipped with different kinds of power reduction mechanisms to keep the operation in a safe

region for the battery and the electronic. If the power is reduced, the actual power output is displayed

instead of the setpoint.

1. The output current is limited to 22A: When the atomizer or coil resistance is comparably low and when

the power is set to high values, the actual output power will be limited according to the formula

Pout<= Imax²* Rcoil

Example: Rcoil=0.12 => Pout,max= (22A)²*0.12 = 58.8W, regardless of the power setting (unless

it is lower than 59W)

The limitation works dynamically, i.e. if the wire changed (e.g. a TC-wire), the limitation will

adapt to this.

2. The output voltage is limited to 11V: When the atomizer or coil resistance is high, power is limited

according to

Pout<=Umax²/Rcoil

Example: Rcoil=1.8 => Pout,max=(11V)²/1.8 = 67.2W

The limitation works dynamically. For example when using a TC-wire the initial power can be very high and

as soon as the wire is hot, the power will be reduced.

Remark: This behaviour can theoretically be used as a pseudo TC-mode avoiding the calibration procedure.

3. The output power is limited if the source resistance (battery inner resistance including contact resistances

and internal wiring) is higher than 30m

4. The output power is reduced when the battery voltage drops to a value dependent of parameter

Ubat,min (range 2.5 to 3.0V) according to the formula

Pout,max= the lower of [80W and 10W+(UbL-Ubat,min)*10W/0.1V]

Example: Ubat,min=2.5V, UbL=3.15V (battery voltage including drop during power output)

=> Pout,max = 10W+ (3.15-2.5)V*10W/0.1V = 75W

Note that the power is less reduced, when the battery inner resistance is low. Also note that power is

reduced only if the battery voltage drops below 3.2V (at Ubat,min=2.5V)

Always keep in mind that 80W taken even from a high drain battery wil

Power-loss,battery = (80W/3.3V)² * 25mW = 15W

(20% of output power)