Prophet Sport II AC/DC Peak Charger

Prophet Sport II AC/DC Peak Charger

Part Number: DYN4077

MSRP: $39.99
Available for*: $29.99

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Replacing the original Prophet Sport, the Prophet Sport II combines more features with a compact design for one affordable and versatile AC/DC charger. The switching power supply provides a sleeker case and an extremely lightweight design.


  • Peak Detection
  • 1, 2, 3 & 4 amp selectable charge currents (3- and 4-amp on DC power)
  • Switching Power Supply

Product Specifications

Input:AC 110V; DC 11.5 to 15V

# Cells:1- to 8-Cell (1.2V to 9.6V) AC; 1- to 7-Cell (1.2V to 8.4V) DC

Charge Rate:1, 2, 3 or 4 amp selectable (AC Input: 1 or 2 amp only)

Output Connector:Banana (Tamiya adapter included)

Battery Type:NiMH and NiCd


Articles, Reviews and Links



Horizon has discovered an error in the Dynamite Prophet Sport II AC/DC Peak Charger (DYN4077) instruction manual and box art that states the charger is capable of operation with an AC input voltage range of 110-240V.Customers having DYN4077 should only use this product in 120V AC or 11.5–15V DC systems. Using this product with an AC input voltage other than 120V can result in malfunction or damage to the charger.

Horizon is in the process of updating labeling and instruction manuals for existing stock to reflect 120V system for US and 240V for EU versions of the product.

We apologize for any inconvenience. If customers have issues, they should call Horizon Product Support at 1-877-504-0233 or go online to Product Support Inquiry to contact one of our support professionals.

PRODUCT RECALL: Dynamite Prophet Sport II AC/DC Peak Chargers (DYN4077) Sold In Canada

June 4, 2013

Product: Dynamite Prophet Sport II AC/DC Peak Charger (DYN4077)

Defect Issue: This product recall addresses the Prophet Sport II AC/DC Peak Charger. This charger has not been evaluated for any Canadian Standards and does not bear any recognized certification mark. Horizon Hobby is recalling this product from the Canadian marketplace.

What To Do: Return the product to Horizon Hobby by following the process detailed under Corrective Action below. Consumers following the process will receive a check in the amount of $29.99 USD approximately 14–21 days after the charger is returned. Retailers returning this product will receive a credit for the dealer NET.

Corrective Action

    • Please complete the electronic Return Request form by clicking here or pasting this link ( into your browser.
    • Upon receipt of the completed form, a prepaid shipping label will be sent to you via email. If no email address is provided on the Return Request form, the shipping label will be mailed to you. Return your charger, along with a printed copy of the completed Return Request form. Upon receipt of the product, Horizon Hobby will issue a check in the amount of $29.99 USD. Please allow 14–21 days for processing and delivery.

We apologize for this inconvenience. Horizon disclaims all liability and warranties for any consumer failing to act upon this product recall.

Horizon Hobby

Contact Information


Horizon Service Center
(Repairs and Repair Requests)

4105 Fieldstone Rd
Champaign, Illinois, 61822 USA

Horizon Product Support (Product Technical Assistance)