12V Wi-Fi Battery Charger

leagend BC511 — 12V Wi-Fi Smart Battery Charger

$69.60 USD
$69.60 USD $69.60 USD
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Overview

leagend BC511 is a smart 12V Wi-Fi battery charger designed to charge, maintain, and help restore 12V lead-acid batteries in cars, motorcycles, and other vehicles. With the leagend mobile app, you can remotely monitor charging data, start or stop charging, and adjust the charging current from your phone—making battery maintenance easier, smarter, and more convenient.

With up to 5A charging current, smart unattended charging, battery repair mode, IP65 water resistance, and built-in safety protection, leagend BC511 is a practical choice for everyday drivers, vehicle enthusiasts, seasonal vehicles, and anyone who wants to keep a 12V battery ready to go.

Key Features

Wi-Fi Connected Battery Charging

  • Stay connected to your battery without constantly checking the charger. leagend BC511 connects to your smartphone through Wi-Fi, allowing you to remotely monitor the charging process and view real-time charging information.
  • You can check:
  • Charging current
  • Charging power
  • Charging status
  • Real-time charging information
  • Charging progress
  • You can also remotely start or stop charging and select the appropriate charging current through the app.

Up to 5A Smart Charging

  • With a maximum stable charging current of 5A, leagend BC511 provides efficient charging for compatible 12V lead-acid batteries with capacities from 1.2Ah to 160Ah.
  • It supports different charging requirements for everyday vehicle batteries while helping make battery maintenance simple and convenient.

Smart Unattended Mode

  • Need to leave your vehicle parked for an extended period?
  • The smart unattended mode allows leagend BC511 to remain connected for long-term battery maintenance. In unattended mode, the maximum charging current is automatically limited to 2.5A, making it suitable for applications where the vehicle may remain unused for extended periods.
  • It is especially useful for:
  • Seasonal vehicles
  • Stored cars
  • Motorcycles
  • Recreational vehicles
  • Vehicles that are not driven regularly

Battery Repair Mode

  • leagend BC511 includes a dedicated battery repair mode with a charging voltage of up to 15.8V.
  • This mode is designed to help address certain battery conditions associated with aging and sulfation. It gives vehicle owners an additional option when maintaining older compatible lead-acid batteries.

Automatic Temperature Compensation

  • Battery charging requirements can change with temperature. leagend BC511 features automatic high- and low-temperature compensation to adapt charging behavior to changing environmental conditions.
  • With an operating temperature range of -20°C to 50°C (-4°F to 122°F), it is designed for use in a wide range of seasonal conditions.

IP65 Water-Resistant Design

  • With an IP65-rated enclosure, leagend BC511 is designed to withstand dust and water jets, making it suitable for charging and maintaining batteries in a variety of environments.
  • Its weather-resistant design provides additional flexibility for garages, workshops, outdoor areas, and vehicle storage locations.

Multiple Safety Protections

  • Safety is built into leagend BC511 with protection against:
  • Overvoltage
  • Overcurrent
  • Overheating
  • Reverse connection
  • The charger also automatically reduces output power if its temperature becomes too high, helping provide safer and more reliable charging.

Designed for 12V Lead-Acid Batteries

  • leagend BC511 is designed for a wide range of 12V lead-acid batteries, with support for battery capacities from 1.2Ah to 160Ah.
  • It supports charging profiles including:
  • Standard car and motorcycle charging: 14.4V
  • AGM battery charging: 14.7V
  • Repair mode: 15.8V
  • Float/maintenance charging: 13.6V

Specifications

Input
100~240V-AC/50-60Hz
Charging Voltage
Motorcycle and car: 14.4V; AGM: 14.7V; Repair: 15.8V; Float: 13.6V
Working Temperature
-20℃~50℃ (-4℉~167℉)
Charger Type
All types of 12V lead-acid batteries
Battery Capacity
1.2-160Ah
Protection Class
IP65
WIFI Standard
IEEE 802.11 b/g/n
WIFI Frequency
2.4GHz
Maximum Charging Current
5A
Max Current of Unattended Mode
2.5A
Reverse Leakage Current
60mA/h

FAQ

leagend BC511 is designed for 12V lead-acid batteries with capacities from 1.2Ah to 160Ah. It is suitable for many automotive, motorcycle, and other compatible 12V lead-acid battery applications.
Yes. leagend BC511 features Wi-Fi connectivity and works with a mobile app. You can remotely start or stop charging, select the charging current, and monitor information such as charging current and power.
Yes. leagend BC511 includes a smart unattended mode designed for long-term connection and battery maintenance. In unattended mode, the maximum charging current is limited to 2.5A.;For long-term use, always follow the battery manufacturer's charging and maintenance recommendations.
Yes. leagend BC511 provides a dedicated repair mode with a charging voltage of up to 15.8V. This function is intended to help address certain conditions associated with aging or sulfated compatible lead-acid batteries.
leagend BC511 has an IP65 protection rating, making it resistant to dust and water jets. It is designed for use in a variety of environments, but it should not be submerged in water.
Yes. leagend BC511 incorporates multiple safety protections, including overvoltage, overcurrent, overheating, and reverse-connection protection. It also automatically reduces output power when the charger's temperature becomes too high.
Yes. leagend BC511 provides a dedicated 14.7V AGM charging voltage, making it suitable for compatible 12V AGM lead-acid batteries.
Yes. leagend BC511 supports compatible 12V lead-acid motorcycle batteries and can provide a maximum stable charging current of 5A. For smaller batteries, use an appropriate charging setting and follow the battery manufacturer's recommendations.
A conventional battery charger generally focuses on supplying charging power. A smart battery charger such as leagend BC511 provides additional control and monitoring features, including selectable charging current, smart unattended charging, battery repair mode, temperature compensation, safety protection, and Wi-Fi connectivity.
Yes. The smart unattended mode makes leagend BC511 particularly useful for vehicles that remain parked for extended periods. It can help maintain a compatible 12V lead-acid battery while the vehicle is not regularly driven.

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