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BC521

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12V Battery Charger with Battery Tester Inside

BC521

leagend BC521 is an advanced 8-step smart charger designed for 12V lead-acid batteries. It not only charges but also tests the CCA value and health status of the battery, along with assessing the cranking system and alternator system of the vehicle.
leagend BC521 features an one-key quick test and quick charging function, which can be activated using the Fn shortcut key.
Users can select the charging current (up to 5A, with options for 3A or 1A). Equipped with IP65 waterproofing, it’s safe for use in wet environments.

2-IN-1 8-STEP
SMART CHARGER AND TESTER

● 8-step smart charger, which can charge various 12V lead-acid batteries;

● Test the CCA value and health status of the 12V lead-acid battery;

● Test the cranking system and alternator system of the vehicle;

● The maximum charging current can be set to 5A/3A/1A;

shortcut key

The shortcut key “Fn”can be set to battery one-key quick test or one-key quick charging function;

Smart mode

● Smart unattended mode, which can stay connected for a long time;

● Provides battery repair mode;

● The output power is automatically reduced when the charger temperature is too high;

Built-in features

● Built-in protection of overvoltage, overcurrent, overheat and reverse connection

● Built-in high and low temperature automatic compensation mechanism, which can automatically handle special situations such as low temperature in winter and high temperature in summer

waterproof

With IP65 waterproof, the charger can be used in wet environment

SPECIFICATIONS

Input
100~240V-AC/50-60Hz
Charging Voltage
①:
14.4V, ②:
14.7V, ③:
15.8V, ④: Float 13.6V
Minimum Battery Voltage
2V
AC Input Current
1.25A rms (At maximum charging current)
Ripple
<4%
Working Temperature
-20℃~70℃ (-4℉~158℉)
Safety
overvoltage protection, overcurrent protection, overheat protection, reverse connection protection, anti-overcharge, anti-overdischarge
Charging Type
8-step, fully automatic charging cycle
Battery Type
All types of 12V lead-acid batteries (WET, MF, Ca/Ca, AGM and GEL)
Battery Capacity
1.2-160Ah
Protection Class
IP65
Temperature Compensation
Built-in charging voltage compensation according to ambient temperature
Maximum Charging Current
5A, 3A, 1A
Max Current of Unattended Mode
2.5A, 1.5A, 0.5A
Reverse Leakage Current
60mA/h

Inquiry & Sample Request

This product supportsleagend distributors/agents
and OEM,ODM
cooperation

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