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BATTERY ISOLATORS

CHARGE MATE

BATTERY WATCH

Charge Mate

Battery Watch

Charge Mate

1202

Charge Mate

2502

Charge Mate

Pro 40

Charge Mate

Pro 90

Product code

83301202

83302502

83304002

83309002

GENERAL SPECIFICATIONS

Input voltage range

n.a.

n.a.

9-32 V

9-32 V

Battery voltage

12/24 V

12/24 V

automatic 12/24 V

detection

automatic 12/24 V

detection

Max. current

120 A

500 A

limited to 40 A

limited to 90 A

Number of modes

n.a.

on, off, auto, start assist

on, off, auto, start assist

on, off, auto, start assist

Dimensions, hxwxd

76 x 46 x 46 mm

3 x 1.8 x 1.8 inch

90 x 80 x 85 mm

3.5 x 3.1 x 3.3 inch

157 x 140 x 80 mm

6.2 x 5.5 x 3.2 inch

157 x 140 x 80 mm

6.2 x 5.5 x 3.2 inch

Weight

0.125 kg / 0.3 lb

0.65 kg / 1.4 lb

0.88 kg / 1.94 lb

0.88 kg / 1.94 lb

TECHNICAL SPECIFICATIONS

No-load power consumption

switch open:

< 1 mA at 12/24 V DC

switch open:

< 1 mA at 12/24 V DC

switch open:

< 1 mA at 12/24 V DC

switch open:

< 1 mA at 12/24 V DC

Inrush current (250 ms)

2000 A

2000 A

n.a.

n.a.

Switch on voltage

13-15 V (12 V)

26-30 V (24 V)

13-15 V (12 V)

26-30 V (24 V)

13.5 V (12 V)

27 V (24 V)

13.5 V (12 V)

27 V (24 V)

Switch on delay

5 sec.

30 sec.

5 sec.

5 sec.

Switch off voltage

< 12.75 V (12 V)

< 25.5 V (24 V)

< 12.25... > 15 V (12 V)

< 25.5...> 30 V (24 V)

12.75 V (12 V)

25.5 V (24 V)

12.75 V (12 V)

25.5 V (24 V)

Switch off delay

no

3 minutes

2.5 sec.

2.5 sec.

Relay

electro-mechanical

electro-mechanical

electronically (MOSFETs)

electronically (MOSFETs)

Ambient temperature

-40 to 65 °C

-40 to 60 °C

-40 to 60 °C

-40 to 60 °C

Protection degree

IP21

IP21

IP65

IP65

Specifications

Charge Mate

Battery Watch

Product code

83200150

Input voltage

8-32 V

Max. DC load

150 A

Switch off under voltage 12 V

9-12 V

Switch off under voltage 24 V

18-24 V

Dimensions, hxwxd

157 x 140 x 80 mm

6.2 x 5.5 x 3.2 inch

Weight

0.6 kg / 1.3 lb

Specifications

Battery Watch

A secondary battery is becoming increasingly common. As a second battery can prevent the main battery from depleting and being

unable to start, this seems like a safe and reliable solution. The second battery, however, also has to be charged regularly. The Charge

Mate series connects both batteries during charging and keeps them isolated when discharging. The Charge Mate 1202 and 2502

are especially practical for small systems, the Charge Mate Pro provides additional functionality by limiting the charge current to the

second battery to 40 A or 90 A. The main battery is therefore charged with priority. The return current is automatically blocked and

power dips of the onboard network are reduced. An emergency start function is possible by connecting an optional bypass switch.

The Battery Watch is an essential element of any well-

equipped battery system, offering you an electronic

watchdog that ensures a much longer lifespan for your

batteries. The unit monitors the optimum condition of

your batteries and can also be used as a main battery

isolation switch. LED lights provide a clear read-out and

the undervoltage limit can be set using DIP switches.

MORE INFORMATION

MASTERVOLT.COM/BATTERY-ISOLATORS

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