Eagle Eye Power Solutions

BC-2500 Industrial Battery Charger

The BC-2500 is a resilient industrial battery charger built for today’s grid, tomorrow’s grid and beyond. With its high-efficiency, modular and redundant platform design, it answers a wide variety of DC power demands. It also utilizes automotive-grade components to deliver optimal performance across mission critical applications while still maintaining its lightweight construction by being able to remove individual Intelligent Power Modules (iPMs).

The BC-2500 is available in 480W or 400W with hot-swappable iPMs, which are available at the following ratings:

  • 24V with ranges 10 – 40 VDC, 0-80 ADC
  • 48V with ranges 30 – 61 VDC, 0-80 ADC
  • 130V with ranges 75 – 150 VDC, 0-64 ADC

Save time and money by purchasing and maintaining less hardware due to the redundancy (N+1, N+2, etc.) created by having multiple iPMs in a single chassis. This redundancy also means that the charger will survive more instances in the field before any problems can occur. Finally, with all the features that come standard with the BC-2500, you can count on this industrial battery charger taking care of more things so you don’t have to.

See How the BC-2500 Industrial Battery Charger Is Built for Tomorrow’s Grid, Today


  • Circuit boards, wiring harnesses and cases made in the USA for maximum security and reliability!
  • Low DC output ripple current – battery eliminator option standard
  • AC/DC powered UIM for continued operation without AC
  • Heavy-duty steel chassis with high-quality conformal coated circuit boards for moisture protection
  • Convection cooled with wide -40 – 70°C (-40 – 158°F) operating range and no fan failure points
  • High energy efficiency of > 93% at 240 VAC and > 91% at 120 VAC and full load
  • Ground fault detection
  • Universal AC input
  • Battery temperature compensation with controlled limits
  • 16 alarms can be individually enabled/disabled, assigned a delay
  • SNMP alarming and NTP date/time sync via Ethernet or Modbus RS-232
  • Optional digital amp/volt meter for 4-Bay models

Eagle Eye’s BC-2500 industrial battery charger keeps substation online after a lightening strike



(481 x 450 x 325 mm)65 lbs. (30 kg)41 lbs. (19 kg) unloaded

AlarmsIndividually enabled/disabled assigned a delay, assigned a priority, assigned to the summary alarm relay
Alarm RelayForm C, dry contact
MountingWall, shelf, floor, EIA 19-inch and 23-inch rack (front or rear)
CommunicationEthernet; 10/100BASE-TX; auto crossover, auto MDI-X; RJ45
connector; support for TCP/IP, NTP, and SNMP Traps; internal
web server; ability to be used for networked comm or direct
comm (direct connection to a laptop)
AC InputVoltage Range, Rated: 100 – 240 VAC
Voltage Range, Operating:
90 – 264 VAC
< 100 VAC: Reduced Power
Frequency, Rated: 50 – 200 Hz
Frequency, Operating: 45 – 205 Hz
Phase: Single-phase
> 91%, 120 Vac, full load;
> 93%, 240 Vac, full load;
Power Factor:
> 0.98, 120 Vac, full load;
> 0.96, 240 Vac, full load
Protection: Current limit, surge, transient, under voltage, over voltage
DC OutputVoltage Range:
24 VDC: 10 – 40 VDC
48 VDC: 30 – 61 VDC
130 VDC: 75 – 150 VDC
Power, Maximum, per iPM:
24 VDC: 400 W
48 VDC: 480 W
Current, Maximum, per iPM:
24 VDC: 10 A
48 VDC: 10 A
130 VDC: 4 A
Current, Rated, per iPM:
24 VDC: 10 A
48 VDC: 8.1 A
130 VDC: 3.3 A
Protection: Current limit, short circuit, reverse polarity, surge, transient
Operating Environment12, 24VDC: -40 – 70 °C (-40 – 158 °F)
Storage Temperature: -55 – 85 °C (-67 – 185 °F)
Humidity Range: 0 – 95%, non-condensing
4-Slot Chassis Dimensions18.93 x 17.71 x 12.79 in. (481 x 450 x 325 mm)
65 lbs. (30 kg)
41 lbs. (19 kg) unloaded
8-Slot Chassis Dimensions18.93 x 30.5 x 14.31 in. (481 x 775 x 363 mm)
125 lbs. (57 kg)
77 lbs. (35 kg) unloaded
16-Slot Chassis Dimensions18.93 x 51.25 x 14.47 in. (481 x 1302 x 325 mm)
296 lbs. (134 kg)
200 lbs. (90 kg) unloaded
CertificationsUL 1012 and cUL/CSA equivalent; CE certified


What are the mounting options for the charger?
The BC-2000 Charger can be mounted to the wall, on the floor, on a shelf, or on an EIA 19-inch or 23-inch rack (front or rear).

What kind of batteries are compatible to charge with the BC-2000?
The BC-2000 can charge batteries of a wide variety of types. These include Vented Lead-Acid (VLA), Valve Regulated Lead-Acid (VRLA), and Nickel-Cadmium (Ni-Cd).

What operating conditions should the charger be kept in?
The operating temperature range of the unit is -40 – 158ºF (-40 – 70ºC), and the operating humidity range is 0-95% relative humidity.

What method of cooling does the charger employ?
The BC-2500 was designed to stay cool by venting air using natural convection, which avoids potential electrical and safety issues which often arise when fans are used.

Can an iPM be replaced (hot swapped) while the charger is on?
Yes, the charger never needs to be powered down to replace an iPM.

Which components of the BC-2500 are microprocessor based?
All iPMs have microprocessors that interpret instructions from the UIM and then maintain those instructions as to how to care for the batteries. The UIM also has its own microprocessor for receiving and communicating instructions, as well as alarms. Since they all have their own processors that is what allows multiple failures in one chassis (including the UIM) and the charger will continue to provide DC voltage and current.

Is it possible to load share between multiple chargers?
The BC-2500 chargers will load share independently, no need for any special cables or added options. As one charger reaches capacity, another will ramp up quickly to support the incoming load. The BC-2500 chargers are highly filtered to operate as a DC power supply too, so they react extremely fast to load changes to support the load.

For the optional Alarm Relay System, how are the relay contacts wired?
The Alarm Relays have 3 points per alarm, Normally Open, Normally Closed and Common. This depends on the relay that the charger is connected to and what the relay requires. A common installation error is the wires get flipped by accident. If they are, no damage will occur.

For the optional Alarm Relay System, do the contacts change state when the system powers on/off?
It is critical that the user understands, if AC fails, the alarm board latches and continues functioning. The reason is if AC fails, you want those alarms to stay active and feedback to their SCADA/central operations as to what the state of the charger is currently. If AC returns, the alarms will expire if the values the charger is seeing are within the alarm trigger levels set on the webserver/dashboard. The alarms are self-clearing so if the event expires, the alarm goes away. In addition, every alarm is also recorded, and time/date stamped in the history records.

Where can the optional Alarm Relay System be mounted?
The remote alarm relay box can be mounted on a wall or near the charger if the cable will reach. Avoid mounting it to the side of chassis as a screw or bolt could contact the iPMs. The rack brackets offer a lot of places to anchor it to.

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