Nexas NexBat NB300 User manual

NOTES：

Carefully read the user manual before using, and keep it well for future

reference.

Carefully check the device parts list before using. For any doubt, contact

distributor immediately.

Due to the product upgrade, tiny difference between the user manual

and the device will not be further noticed. Take the device as standard.

NexBat NB300 12V Battery Analyzer

Disclaimer

All information, illustrations, and specifications contained in this manual are

based on the latest information available at the time of publication. The right is

reserved to make change at any time without notice.

Safety Precautions and Warnings

To prevent personal injury or damage to vehicles and/or the NB300, please

read this user’s manual first carefully and observe the following safety

precautions at a minimum whenever working on a vehicle:

Always perform automotive testing in a safe environment.

Do not attempt to operate or observe the tool while driving a vehicle.

Operating or observing the tool will cause driver distraction and could

cause a fatal accident.

Wear safety eye protection that meets ANSI standards.

Keep clothing, hair, hands, tools, test equipment, etc. away from all moving

or hot engine parts.

Operate the vehicle in a well-ventilated work area: Exhaust gases are

poisonous.

Put blocks in front of the drive wheels and never leave the vehicle

unattended while running tests.

Use extreme caution when working around the ignition coil, distributor cap,

ignition wires and spark plugs. These components create hazardous

voltages when the engine is running.

Put the transmission in P (for A/T) or N (for M/T) and make sure the parking

brake is engaged.

Keep a fire extinguisher suitable for gasoline/chemical/ electrical fires

nearby.

Don’t connect or disconnect any test equipment while the ignition is on or

the engine is running.

Keep the NB300 dry, clean, free from oil/water or grease. Use a mild detergent

on a clean cloth to clean the outside of the NB300, when necessary.

NexBat NB300 12V Battery Analyzer

Table of Contents

Chapter 1 General Information ................................................................3

1.1 Product Profile..............................................................................3

1.2 Product Feature............................................................................3

1.3 Testing Range...............................................................................4

1.4 Specifications................................................................................5

Chapter 2 Product Description ...............................................................6

Chapter 3 Operation .................................................................................7

3.1 Pre-Test........................................................................................7

3.2 Tester Startup................................................................................8

3.3 Battery Test...................................................................................8

3.3.1 IN-VEHICLE or OUT-OF-VEHICLE ...................................8

3.3.2 Select Battery Type............................................................9

3.3.3 Battery System Standard and Rating...............................10

3.3.4 Battery Test Result...........................................................11

3.5 Starter Test .................................................................................13

3.6 Tool Setup...................................................................................15

3.6.1 Select Language..............................................................15

3.6.2 Beep....................................................................................

3.6.3 Tool Information...............................................................15

NexBat NB300 12V Battery Analyzer

Chapter 1 General Information

1.1 Product Profile

NB300 Battery Tester adopts the conductance testing technology to easily,

quickly and accurately measure the actual cold cranking amps capability of the

vehicle starting battery, healthy state of the battery itself, and common fault of

the vehicle starting system and charging system, which can help technician to

find the problem quickly and accurately.

1. Test all automotive battery, including ordinary lead acid battery, AGM flat

plate battery, AGM spiral battery, and Gel battery, etc.

2. Directly detect bad cell battery.

3. Feature reverse polarity protection: reverse connection may not damage the

tester or affect the vehicle and battery.

4. Directly test the battery with loss of electricity, full charge is not required

before testing.

5. Testing standards cover the majority of world's battery standards, such as

CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE and GB.

6. Support multi-languages, includes: English, Spanish, French, Italian,

German, Russian, Finland, Portuguese, Swedish, Polish etc. Other

languages can also be customized according to user's need.

1.2 Product Feature

NB300 battery tester features the following functions: battery test, starter test

(cranking test, charging test) and other additional functions.

Battery test mainly aims to analyze the battery healthy status to calculate the

actual cold cranking capability of the battery and the aging extent, which

provide reliable analysis evidence for the test and maintenance of the battery.

It may notify the user to replace battery in advance when the battery gets aged.

Starter test measures the cranking voltage. If the engine cranking speed is

good, and the cranking voltage reading is within specifications, you can

generally conclude that the starting system is functioning properly. But, if the

starter does not crank, cranks too slowly, or the volts reading is not within

NexBat NB300 12V Battery Analyzer

specifications, further testing will be required. To get more accurate results, this

scan tool incorporates a temperature compensation feature to aid in tests.

Before performing the STARTER TEST, the starting system should be visually

inspected for physical defects, and some preliminary checks should be

performed that will aid you in diagnosing a starting system problem. These are

taken care of during the pretest.

Additional functions include: Set language, Set Beep on or off , Get the tool

information.

1.3 Testing Range

1. Cold Cranking Amps Testing Range:

Testing Standard

Testing Range

CCA

100-1000

BCI

100-1000

MCA

100-1000

JIS

26A17--245H52

DIN

100-800

IEC

100-800

100-1000

SAE

100-1000

100-800

2. Voltage Measurement Range: 8-18V DC

NexBat NB300 12V Battery Analyzer

1.4 Specifications

Screen: 126*64 LCD display

Input voltage range: 8~18V

Operating current: <100mA@12V (Typical)

Power consumption: < 1.2W (Typical)

Operating temperature: 32°F~122°F / 0°C~50°C

Storage tempetature: -4°F~158°F / -20°C ~70°C @ RH60%

Outline dimension: 210*150*35 mm

Weight : < 12.35 oz (350g)

NexBat NB300 12V Battery Analyzer

Chapter 2 Product Description

No.

Name

Descriptions

①

LCD display

128*64, backlit, Indicates test results

②

OBD Cable

.Connects the NL100 to the vehicle’s Data

Link Connector (DLC)

③/⑥

/ button

Move cursor up or down for selection

④

ENTER button

Confirm a selection or action

⑤

ESC button

Cancel a selection or action or return to

NexBat NB300 12V Battery Analyzer

Chapter 3 Operation

3.1 Pre-Test

Before testing, clean battery poles with metal wire brush and alkaline detergent

to avoid the tolerance caused by oil and dust to the test result.

While testing, ensure none of the in-vehicle electrical appliance is on, doors are

closed and the ignition key is in OFF status.

Connect the red test clamp with battery anode and the black one with cathode.

Shake the clamps back and forth to make sure they are well connected.

Make sure the handbrake on and the gearbox is on N or P .

The tester requires the two clamps are well connected with the battery poles.

Otherwise, the tester cannot power on. In this case, clean the poles and re-

connect it properly.

Tester has reverse connection protection function. When clamps are reversely

connected, tester screen will not light, but it damages neither the tester nor the

automotive load.

NOTE: For parallel connected batteries, break off the cathode connection first,

then do single test to each battery. Suppose cathode connection is not cut off,

there will be error in test result.

CAUTION: NB300 Tester may be damaged when connected to voltage

above 18V!

NexBat NB300 12V Battery Analyzer

3.2 Tester Startup

The tester automatically starts up after the clamps are correctly connected,

and displays the startup interface, within this 2 seconds, it enters the function

menu. as shown in Figure 1.

Figure 1

3.3 Battery Test

After entering battery test program, the tester will display the tester model and

version approx. 2 seconds, see figure 1. The tester will display the following

contents in a sequence, select the desired items accordingly.

3.3.1 IN-VEHICLE or OUT-OF-VEHICLE

Press UP/DOWN key to select the battery location, in-vehicle or out- -of-vehicle,

then press OK key to confirm.

1) ON VEHICLE means the battery is connected with vehicle engine or

vehicle electrical appliance. as shown in Figure 3.

NexBat NB300 12V Battery Analyzer

Figure 3 Figure 4

When the tester detects surface charge, a prompt message "SURFACE

CHARGE DETECTED, TURN LIGHTS ON" will appear on the screen, as

shown in Figure 4.

Figure 5 Figure 6

Now the tester detects the surface charge has been eliminated, turn lights off as

prompted, then press OK key. The tester will recover automatic test.

2) OUT OF VEHICLE means battery is not connected with any of the

vehicle load, namely, battery connection is cut off.

3.3.2 Select Battery Type

After the battery charge status is chosen, the tester will enter battery type

selection interface: Regular Flooded, AGM Flat Plate, AGM Spiral or Gel battery.

Press UP/DOWN key to select, and press OK key to confirm.

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