Vanguard® 1050W Charger

Vanguard® 1050W Charger

  • Works seamlessly with battery pack.

  • Bluetooth capabilities for monitoring AC input and DC output specifications.

  • Features advanced charge and termination algorithms, optimizing daily battery capacity as well as overall battery life.

  • Fast recharge time of 3 hours (3.8kWh*), 6 hours (5kWh*) and 12 hours (10kWh*).

  • The 1050W Vanguard® Charger is not compatible with the Fi1.5 and Si1.5 commercial batteries.

  • Two chargers can be connected in parallel to reduce charging time.


The Vanguard Lithium App

View the real-time charge cycle statuses and other diagnostic information on multiple batteries at once via Bluetooth technology. Users also have cloud connectivity and can download charge cycle history records. Download from the Apple Store or Google Play.

Designed for Your Safety

Built with cooling fins, our chargers dissipate heat. Passive cooling allows you to both safely and effectively charge your batteries.


The Vanguard Lithium app is readily available, free to use, and allows users to create profiles for each battery.


A powerful fan-less charger that can be mounted on-board or off-board.

Clear Communication

Each battery charger is equipped with four LED lights to communicate information on the battery, charger, and Bluetooth connection.


Plug the charger into a standard wall outlet to seamlessly deliver electric current to the Vanguard battery.


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Enclosure Rating
IP66, NEMA 4
Voltage Range, Rated (AC Input)
100-240 Vac
Voltage Range, Operating (AC Input)
85-265 VAC (< 108 Vac: reduced power)
Frequency, Rated (AC Input)
50-60 Hz
Frequency, Operating (AC Input)
45-65 Hz
Phase (AC Input)
Current, Maximum (AC Input)
< 12 A
Efficiency (AC Input)
< 91% peak, CEC test procedure, 115 Vac, AC and DC losses included
Protection (AC Input)
Current limit, surge, transient, under voltage, over voltage
Power (DC Output)
Top Voltage (V)
36 Vdc, 54 Vdc, 72 Vdc (DC Output)
Current Maximum (DC Output)
25 A, 25 A, 22 A
Voltage, Min Start-up (DC Output)
10 Vdc
Protection (DC Output)
Current limit, short circuit, reverse polarity, under voltage, over voltage, wrong battery voltage
Operating Temperature Range
-25°C to 60°C (-13°F to 140°F)
Storage Temperature Range
-40°C to 85°C (-40°F to 185°F)

*Total energy measured using a 0.2C discharge per IEC 61960-3:2017

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