Red.com RED ONE Operations Instructions download pdf (Page 5)

IPCS and fast charging

The RED CHARGER features the highest charging current for a Li-Ion charger in the broadcasting sector. This results in currently the

shortest possible battery charging time.

RED BRICK Li-Ion battery series allow fast charging due to several intrinsic features such as pre-charge protection and cell balancing;

avoiding cell damage and life-cycle shortening, as demonstrated by the life-cycle performances.

Additionally, the new RED CHARGER supports and enhances these features with IPCS, a 2-step Intelligent Pre-Charge System.

Sincefastchargingcandamagecellsifnotproperlyapplied,especiallywithlowvoltage(discharged)cells,appropriatecaremustbetaken.

The 2-step procedure implemented by IPCS, initially boosts very low voltage cells to a state where charge can be applied with a medium-low

current without damage, then starts to charge with a 300mA current for a while. Finally, when the pack reaches a reasonable voltage state,

it speed-up the charge process by going to full throttle.

The operation implemented by IPCS is only applied if the prevailing cells-state need it, and normally takes a few minutes, depending on the

state of discharge of the cells.

The operation implemented by IPCS is outlined in the chart below.

IPCS 2-step Intelligent Pre-charge System

15300

15200

15100

15000

14900

14800

14700

500 650 800 957 1107 1260 1410 1560 1710 1860

4500

4000

3500

3000

2500

2000

1500

Time (min)

Before CTP activation:

charger at normal speed

After CTP activation:

charger at reduced speed

VOLTAGE

CURRENT

VOLTAGE

CURRENT

0 3 5 8 10 13 15 18 20 23

13500

13000

12500

12000

11500

11000

Step-1 Step-2

0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190

17000

16500

16000

15500

15000

14500

14000

13500

13000

Charging Current

Red Charger

- charging performance of RED Brick battery packs

Battery Voltage during charge

8000

7500

7000

6500

6000

5500

5000

4500

4000

3500

3000

2500

2000

1500

1000

500

Voltage (mV)

Current (mA)

15300

15200

15100

15000

14900

14800

14700

500 650 800 957 1107 1260 1410 1560 1710 1860

4500

4000

3500

3000

2500

2000

1500

Time (min)

Before CTP activation:

charger at normal speed

After CTP activation:

charger at reduced speed

VOLTAGE

CURRENT

VOLTAGE

CURRENT

0 3 5 8 10 13 15 18 20 23

13500

13000

12500

12000

11500

11000

Step-1 Step-2

0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190

17000

16500

16000

15500

15000

14500

14000

13500

13000

Charging Current

Red Charger

- charging performance of RED Brick battery packs

Battery Voltage during charge

8000

7500

7000

6500

6000

5500

5000

4500

4000

3500

3000

2500

2000

1500

1000

500

Voltage (mV)

Current (mA)

1 2 3 4 5 6 7 8 9 10 11 12

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Red.com RED ONE Operations Instructions Page 5

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