800-362-5397 M-F 6am-5pm PST.
MENU Menu Icon

view large photo

Eagle 36v 72v 40 Amp 2 Bank Industrial On-Board Smart Charger - i3640OB

Was: $1,242.00
Sale Price: $899.95
Free Ground Shipping to Lower 48 States *

OR Simple-Click Checkout
In Stock

Made in the USA! Made to Order. Allow 1-2 Week Build Time before item Ships.

Share this item with your friends

Product InformationStore Part Number: i3640OB


The Eagle Performance i3640OB is a dual 36 volt 20 amp charger, and is meant for tough and rough applications. For any heavy duty 36 volt system or 72 volt systems charging via dual 36v 20 Amp outputs. The Eagle is setup to charge efficiently and reliably every time in industrial applications. The i3640OB has an integrated microprocessor to make sure that you never have to worry about overcharging your battery system.

The Dual Pro Eagle Series chargers has 5 LEDs indicating battery charge level for each bank, and when batteries are fully charged the Eagle Charger turns off completely. Should the batteries discharge to a programmed voltage level the Eagle Charger automatically reactivates the charge circuit and bring the batteries back to 100% charge. Eagle Chargers use a proprietary method of adjusting charge algorithm to compensate for temperature thus improving battery charge quality and safety.



  • Dual 36v 20 Amp Outputs
  • For use with Lead Acid (Wet/AGM) batteries
  • Easily reconfigured for Gelled Electrolyte batteries (Special Order Only via Phone)
  • Battery type LED indicator
  • Dependable, rugged construction, water resistant
  • Exclusive temperature compensation and fan cooled
  • Fully automatic with float maintenance
  • Reverse polarity spark free operation
  • Return to charge maintenance mode
  • Exclusive on board diagnostics
  • High visibility, easy to read charge indicators
  • Optional “Universal” A/C input (Special Order Only via Phone)
  • 3 Year Warranty


Made to Order. Allow 1-2 Week Build Time before item Ships.

Tech Specs

  • Dimensions (LxWxH): 18.25 x 8.5 x 5.75 in
  • Weight: 46 lb
  • Shipping Weight: 51 lb
  • DC Output Amps: Dual 20 A outputs (40 A)
  • Absorption Voltage: 45 V
  • AC Input Volts: 115 VAC
  • Model: i3640OB
  • Manufacturer: Pro Charging Systems
  • AC Input Amps: 19.2 A
  • AC Input Volts Freq.: 60 kHz
  • Float Voltage: 40.5 V
  • Charge Reset: Battery Voltage Threshold: 36 V
  • Working Temperature: -30° to 50° C
  • Storage Temperature: -40° to 85° C
  • Manufacturer Part #: i3640OB
  • Made In: USA

Customers who bought this product also bought:

Reviews and Ratings

Do you own the i3640OB? Please, tell us what you think about it. It helps us provide you with better products. Please note that it may take up to 72 hours for your review to appear.

Order Line: 1-800-362-5397
M–F 6am–5pm PST
Tech Help: 541-474-4421
Fax: 541-471-6014
276 Tech Way, Suite A
Grants Pass, OR 97526