Sale Venom Stronghold 25Amp DC Battery Charger U/L VNR0667 View larger

Venom Stronghold 25Amp DC Battery Charger U/L VNR0667


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The US Postal Service will not transport ORM-D items, and will not show up as a delivery option during checkout.


For All Shipments: Special labeling requirements are needed to safely transport any Lithium products. Certain large Lithium Batteries will always require HazMat handling and will only ship via Fedex. If you would like to know more about FedEx and the safety precautions taken when transporting Lithium Batteries, please refer to the FedEx guidelines.

International Shipments: Lithium Batteries are regulated as HAZMAT (Hazardous Material) products and can be dangerous if not packaged properly for transportation. In smaller quantities, Lithium Batteries can be shipped via DHL without applying a HAZMAT fee. If you'd like to ship more than 2 Lithium Batteries, a HAZMAT fee will be applied for transportation. Please note that DHL only allows transportation of HAZMAT / Dangerous Goods to specific countries, some of which have limited service areas.

The US Postal Service prohibits international mailing of Lithium Batteries, as well as electronic devices that contain Lithium Batteries. These new regulations also prohibit shipments to or from Army, Fleet, and Diplomatic Post Offices. Because of these regulations, no US Postal Service shipping options will be available during checkout.

Domestic Shipments: Both FedEx and the US Postal Service are available as shipping carriers for most Lithium Batteries and electronic devices containing Lithium Batteries. Please note that the US Postal Service has a limit of three batteries per shipment; you can refer to the Domestic Mail Manual for further information.


Fuel is classified as a "flammable" liquid. RC Planet can transport limited quantities of flammable liquid under ORM-D (Other Regulated Materials for Domestic transport). Shipping under ORM-D means that the product will ship via FedEx Ground only. For larger quantities of fuel (Example: case quantities), it must be transported under HAZMAT. Transporting as HAZMAT means that the amount of fuel is considered hazardous and will be subject to shipping by Ground services, including a HAZMAT fee for the special transportation. Fuel cannot ship outside of the US.

Please note that the US Postal Service does not transport Fuel and will not show up as a delivery option during checkout.

Rocket Motors

Rocket Motors, Rocket Igniters and Rockets are classified as Toy Propellant Devices and can only be transported through Surface Mail with the US Postal Services Parcel Post. FedEx does not transport Rocket Motors, Rocket Igniters and Rockets. Please note that FedEx will not show up as a delivery option during checkout.

International Shipping Restriction


Due to circumstances and regulations that are beyond RC Planet's control, batteries cannot ship outside of the US when using the United States Postal Service as the shipping provider. However, RC Planet can ship batteries internationally using DHL International, but the quantity cannot exceed a total of 2 batteries with a capacity of 5000mah maximum. Unfortunately we are currently unable to ship this item to APO/FPO addresses and apologize for the inconvenience.


Due to distributor restrictions, the following brands are not available for sale outside of the 50 United States: Losi, Team Losi Racing, Blade, ParkZone, ECX, Hobby Zone, E-Flite, Vaterra, Dynamite, Pro Boat, Spektrum, JR Radio, Orion, and Hangar 9.

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This is Venom’s Stronghold 25Amp DC U/L Battery Charger. Venom is pleased to bring you a new game changing solution to your charging needs with their Stronghold 25 Amp DC Battery Charger; the world’s first charger that combines improved charging safety and cutting-edge technology in one package. This revolutionary charger allows charge rates up to an astonishing 25amps and offers a full 500-watt circuit. The panel features an easy to use intuitive programming menu and an easy-to-read backlit LCD screen.

The Stronghold also allows you to keep track of your LiPo packs condition and performance with the new IR-Mode internal resistance test. IR-Mode tests each cell individually and provides single cell and total pack resistance values so you can see the real-time condition of your LiFe and LiPo battery packs.

This robust charging solution features durable stamped aluminum construction which was designed for years of real life use, unlike cheap plastic chargers and aides in heat dissipation.  Venom’s Factory Team Pilots asked for this DC charger to be compatible with today’s high voltage, low current power supplies and to allow a wide variety of input voltages up to 26 volts.

For most companies that would have been enough, but the engineers at Venom took it a step further and combined the feature rich Stronghold Charger with their Stronghold Solo Battery Charging Containment System.

A hobby industry first, the Venom Stronghold Containment System improves the safety of discharging and charging LiPo batteries up to 60-watt hours. The Stronghold containment system features ambient LED lights inside for easily viewing the battery during charge and discharge sequences and a self-extinguishing, shatterproof, polycarbonate window. No external charge or balance wires are needed since all outputs are mounted to a baffle between the charger and the Stronghold Containment System. This results in a cleaner and safer charging setup.

Should a catastrophic battery failure occur, specially designed venting will help dissipate fumes and smoke in a controlled manner while helping to contain flames and debris.


  • IR-Mode tests each LiPo, LiFe and Li-Ion cells individually and provides single cell and total pack resistance values for real- time condition information
  • Stronghold containment system has self-extinguishing, shatterproof, polycarbonate window, and ambient LED lights for easy viewing- no external charging or balance wires are needed, containment system is rated for lithium polymer batteries up to 60 watt-hours
  • Sealed touch key backlit LCD display
  • Charge rate adjustable up to 25A
  • Sturdy stamped aluminum case with venting in containment area that helps to dissipate smoke and fumes in a controlled manner
  • Integrated battery charging box, with latch secured lid
  • Integrated balance block
  • 500-watt circuit for fast charging
  • Backlit LCD screen and easy to use programming menu
  • Charges 1-6S LiPo, LiFe and Li-Ion batteries, 1-18 cell NiMH, and NiCd batteries, and 2-24V Pb (lead acid) batteries


1x Venom Stronghold 25 Amp DC Battery Charger with 10AWG Power Leads with 6mm male Bullet Connectors
1x Traxxas Adapter Plug
1x EC5 Adapter Plug
1x EC3 Adapter Plug
1x Deans Adapter Plug
1x Tamiya Adapter Plug
2x Alligator Clips
1x 1-6S Balance Block
1x Instruction Manual

11V-26V DC Power Supply (300-watt minimum, 500-watt suggested)

Note: The use of the Venom Stronghold 25 Amp DC Battery Charger does not eliminate the risk of a lithium polymer battery fire. Users should always follow the safety warnings, instructions and guidelines provided by their battery and charger manufacturers in connection with this product.

Fact sheet

Main Category Chargers & Accessories
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Tech Specs

Weight: 4 lbs, 1.25 oz (1820 g)
Dimensions: 12.6 x 7.87 x 3.15" (320 x 200 x 80mm)
Operating Voltage: 11.0 - 26.0V
Circuit Power: 500W max charge, 25W max discharge
Charge Current: 0.1 - 25.0A (0.1 - 10.0A for NiCD/NiMH)
Current Drain of Balancing LiPo: 200mAh/cell
NiCd/NiMH Cell Count: 1-18 Series
LiPo/LiFe/Li-ION: 1-6 Series
Pb Battery Voltage: 2-24V
Discharge Rate: 0.1 - 5.0A

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