MI 3155
Eurotest
XD
General description
15
1.3
Battery and charging of Li-ion battery pack
The instrument is designed to be powered by rechargeable Li-ion battery pack. The LCD
contains an indication of battery condition (upper right section of LCD). In case the battery is too
weak the instrument indicates this as shown in
Symbol:
Indication of low battery.
Figure 1.3: Battery test
The battery is charged whenever the power supply is connected to the instrument. The charger
socket polarity is shown in
. Internal circuit controls (CC, CV) charging and assures
maximum battery lifetime. Nominal operating time is declared for battery with nominal capacity of
4.4 Ah.
Figure 1.4: Charger socket polarity
The instrument automatically recognizes the connected power supply and begins charging.
Symbol:
Indication of battery charging
Figure 1.5: Charging indication
(animation)
Battery and charging characteristic
Typical
Battery types
18650T22A2S2P
18650T22A2S4P (optional)
Charging mode
CC / CV
Nominal voltage
7,2 V
Rated capacity
4400 mAh (type: 18650T22A2S2P)
8800 mAh (type: 18650T22A2S4P)
Max charging voltage
8,0 V
Max charging current
2,2 A (type: 18650T22A2S2P)
3,0 A (type: 18650T22A2S4P)
Max discharge current
2,5 A
Typical charging time
3 hours (type: 18650T22A2S2P)
4,5 hours (type: 18650T22A2S4P)
