• HotRC A400 battery balance charger for 3S/4S LiPo, angled top view with display window
  • Front view showing HotRC A400 charger face with two balance ports and orange end panel
  • HotRC A400 charger kit contents: charger unit, AC power cord, and A400 instruction manual
  • HotRC A400 charger next to retail box, digital screen lit showing 12.6 and front ports
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HotRC A400 Battery Balance Charger for 3S/4S (11.1V/14.8V) LiPo, 40W 3A, 100-240V AC

HotRC A400 Battery Balance Charger for 3S/4S (11.1V/14.8V) LiPo, 40W 3A, 100-240V AC

HotRC

$32.99 USD
$32.99 USD
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Overview

The HotRC A400 battery balance charger is designed for 3S/4S (11.1V/14.8V) LiPo batteries, combining balance charging with a large digital display for clear charge-status indication.

Key Features

  • Supports 3S/4S LiPo (11.1V/14.8V) charging modes
  • Large digital display for charging status; shows full charge indicator ("FLL")
  • Wide-range AC input: 100V-240V AC
  • Trickle mode charging; automatically switches to help prevent overcharge
  • 6 protection functions: overcharge, output overvoltage, output overcurrent, input overcurrent, short-circuit, over-temperature
  • Fire-resistant housing material; textured anti-slip surface design

For product support or setup questions, contact support@rcdrone.top or visit https://rcdrone.top/.

Specifications

Product model A400
Product weight 130 g
Product size 98 x 60 x 28 mm
Input voltage 100V-240V AC
Battery type 3S/4S (11.1V/14.8V) LiPo
Display mode Nixie tube display screen
Shell material ABS + fireproof material
Balanced current 300 mA
Display accuracy ± 0.05 V
Max charge current 3000 mA
Max charge power 40 W
Charge temperature range 0-40°C
Charge stop voltage 4.2 V ± 0.02 V
Charging case temperature 45°C

Applications

  • Balance charging 3S and 4S LiPo packs used in RC and FPV hobby setups

Details

HotRC A400 battery balance charger specifications table: 40W, 3A, 100–240V AC, 3S/4S LiPo support

Full specifications for the A400, including 3S/4S LiPo support, 40W/3A output, and 100–240V AC input.

HotRC A400 LiPo balance charger with large digital voltage display and full-charge “FLL” indicator

The large digital screen makes it easy to monitor pack voltage at a glance and confirms completion with the “FLL” full-charge indicator.

Textured anti-slip housing on the HotRC A400 charger with compact body and front digital display windowHotRC A400 charger highlighting wide-range 100–240V AC input for global use, with front voltage display

Wide-range 100–240V AC input supports convenient charging at home or while traveling.

Trickle mode charging graphic illustrating automatic switching to help prevent overcharge and support balanced charging

Trickle mode automatically switches as charging completes to help reduce overcharge risk.

HotRC A400 charger with six safety protections icons: overcharge, short-circuit, overvoltage, overtemp, overcurrent

Six built-in protections add an extra layer of safety during charging, including overcharge, short-circuit, and over-temperature protection.

Fire-resistant housing demonstration for the HotRC A400 charger, emphasizing flame-retardant ABS materialHotRC A400 3S/4S LiPo battery balance charger ports and connectors, with close-ups of balance leads and display

Clear port layout supports both 3S and 4S balance leads for straightforward setup with compatible LiPo packs.

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