Product Description

The RUiXU CHARGER100 is a standalone AC-to-DC charger for 48V lithium battery banks. It takes AC power from a generator or utility supply and charges the battery bank directly, separate from your inverter's built-in charger. That gives a residential storage or off-grid system a second, independent charging path, and adds charging capacity when the inverter's own charger is limited or busy.

Key features

  • Up to 100A / 6kW charging – adjustable charge current from 2A to 100A, with up to 6,000 W output on 240 VAC input.
  • Wide AC input – accepts 90–264 VAC at 50/60 Hz, so it runs on 120V, 208V or 240V supplies, including portable and standby generators.
  • Adjustable charge voltage – 40–60 VDC, default 56.5 VDC, to match your battery manufacturer's settings.
  • CAN BMS communication – connects to compatible battery management systems over CAN (RJ45 port) so charging follows the battery's own requests.
  • Automatic generator start/stop – a dry-contact relay (NO, NC, C) can start and stop a compatible generator based on battery state of charge.
  • LCD display – shows real-time operating status and lets you adjust settings at the unit.
  • Up to 94% efficiency – 94% at 240 VAC and 92% at 120 VAC.

Charge current by input voltage

Maximum charge current depends on the AC supply: up to 100A at 240 VAC, up to 50A at 208 VAC, and up to 45A at 120 VAC. Maximum output is 6,000 W at 240 VAC and 3,000 W at 120 VAC.

Specifications

Model RUiXU CHARGER100
Nominal battery voltage 48 VDC (lithium)
AC input voltage 90–264 VAC
AC frequency 50–60 Hz
Max. input current 26 A @ 240 VAC; 28 A @ 120 VAC
Charge current (adjustable) 2–100 A @ 240 VAC; 2–50 A @ 208 VAC; 2–45 A @ 120 VAC
Charge voltage (adjustable) 40–60 VDC (default 56.5 VDC)
Max. output 6,000 W @ 240 VAC; 3,000 W @ 120 VAC
Max. efficiency 94% @ 240 VAC; 92% @ 120 VAC
Generator control Dry contact (NO, NC, C)
BMS communication CAN (RJ45)
Operating temperature 14°F to 131°F
Storage temperature 5°F to 140°F
Humidity 5–95% RH, non-condensing
Ingress protection IP20 (indoor installation)
Operating altitude Up to 4,921 ft
Dimensions (H x W x D) 7.48 x 17.72 x 4.72 in
Net weight 13.2 lb

Good fit for

  • Off-grid homes and cabins that charge from a generator
  • Backup power systems that need faster generator recharge than the inverter charger provides
  • 48V lithium battery banks with CAN-capable BMS

Manufacturer warranty

RUiXU provides a 3-year warranty on the CHARGER100 when it is installed and used indoors.

Documentation

CHARGER100 spec sheet (PDF)

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