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Victron Pre-Charge Cable

Safely Pre-Charge DC Capacitors to Prevent Arcing & Inrush Currents


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DESCRIPTION

Victron Energy Pre-Charge Cable for Safe DC System Commissioning

Connecting a high-capacity battery bank to an inverter, charger, or MPPT solar charge controller can be a risky process if not managed correctly. Because modern power conversion equipment contains large internal capacitors, making a direct electrical connection often results in a massive and instantaneous surge of power known as inrush current. This surge can cause severe arcing, loud sparking, and significant wear on battery terminals. The Victron Energy Pre-Charge Cable is an essential commissioning tool designed to safely bridge this connection, allowing you to energise your system in a controlled, spark-free manner.

Mitigate Inrush Currents and Prevent Hardware Damage

When integrating large-scale 12V, 24V, or 48V DC power systems, the sudden rush of energy into empty capacitors acts momentarily like a short circuit. Without a dedicated pre-charge mechanism, this high-energy transfer can physically pit connectors, damage internal circuitry, and even trigger the short-circuit protection within a lithium battery's internal Battery Management System (BMS).

By utilising this specialised cable, you introduce a controlled resistance pathway that slowly fills the capacitors prior to making the final high-current connection. This careful equalisation of voltage eliminates the risk of dangerous arcing and significantly reduces thermal stress on critical electronic components. Ultimately, employing this straightforward tool safeguards your expensive equipment and dramatically extends the operational lifespan of inverters and solar charge controllers.

Engineered for Safety and Reliability

Unlike makeshift generic resistors that can overheat or shatter under load, this authentic Victron accessory provides a highly reliable, purpose-built solution. The cable is fitted with heavy-duty, fully insulated crocodile clips, ensuring secure and safe temporary attachment to battery terminals, busbars, or isolation switches. The integrated inline electronic module regulates the current flow effectively, offering plug-and-play simplicity for both professional off-grid installers and DIY system builders.

Key Features of the Pre-Charge Cable

  • Eliminates hazardous arcing: Prevents loud sparks and terminal degradation during system start-up.
  • Protects sensitive capacitors: Regulates the initial power draw to extend the lifespan of your inverters and MPPT charge controllers.
  • Avoids BMS tripping: Prevents the sudden inrush current from triggering the overload protection on modern lithium battery systems.
  • Premium construction: Features an inline electronic module and heavy-duty insulated crocodile clips for secure, highly dependable connectivity.
  • Scalable application: Multiple cables can be wired in parallel to safely pre-charge massive battery banks or multi-inverter setups like parallel MultiPlus-II configurations.

Essential for Marine, Caravan, and Off-Grid Configurations

Whether you are commissioning a high-capacity off-grid solar array, upgrading a marine battery bank, or replacing components in a caravan electrical system, controlled start-up procedures are non-negotiable for system longevity. The Victron Pre-Charge Cable (ASS070400100) is compact enough to keep in any professional toolkit, yet robust enough to handle the demands of large industrial DC power setups. By making this small addition to your commissioning process, you can prevent unnecessary downtime and ensure a professional, highly secure installation.

Ready to Commission Your System Safely?

Do not risk damaging your premium electrical components with unprotected battery connections. Ensure a smooth, spark-free start-up by adding the Victron Energy Pre-Charge Cable to your toolkit today.


SKU: VIC-ASS070400100

SPECIFICATIONS

Product Specifications
Function Pre-charges capacitors to prevent high inrush currents
Application DC systems with capacitive loads (inverters, chargers, etc.)
Safety Feature Minimises arcing and sparking on connection
SKU VIC-ASS070400100
Model # ASS070400100
Brand Victron Energy

SKU: VIC-ASS070400100
Barcode: 8719076070764
Model #: ASS070400100
MPN: ASS070400100

WARRANTY

Victron Energy Limited Warranty Policy

Victron Energy warrants its products to be free from defects in workmanship and materials for a period of 5 years from the date of purchase by the end user, with a maximum of 66 months from the Victron Energy invoice date. Exceptions on this are: lead acid batteries; 2 years from date of purchase by the end user, with a maximum of 30 months from the Victron Energy invoice date, Lithium-ion batteries; 3 years from date of purchase by the end user. In addition to this proof of correct battery usage is required when making a battery warranty claim.

During this period, Victron Energy will, at its option, repair or replace the defective product free of charge. The warranty does not include performing or reimbursing de‐installation, transportation and re‐installation. This warranty will be considered void if the unit has suffered any physical damage or alteration, either internally or externally, and does not cover damages arising from improper use like: • Reverse of battery polarity. • Inadequate connection. • Mechanical shock or deformation. • Contact with liquid or oxidation by condensation. • Use in inappropriate environment (dust, corrosive vapor, humidity, high temperature, biological infestation...). • Breakage or damage due to lightning. • Connection terminals and screws destroyed or other damages, like overheat, due to insufficient tightening. • For any electronical breakage except due to lightning (reverse polarity, over‐voltage due to external cause), the state ofthe internal control diode and of the inputs/output X and Y capacitors determine the warranty.

This warranty will not apply where the product has been misused, neglected, improperly installed, or repaired by anyone else than Victron Energy or one of its authorized Qualified Service Partners. In order to qualify for the warranty, the product must not be disassembled or modified.

Repair or replacement are our sole remedies and Victron Energy shall not be liable for damages, whether direct, incidental,special, or consequential, even caused by negligence or fault.

Victron Energy owns all parts removed from repaired products. Victron Energy uses new or reconditioned parts made by various manufacturers in performing warranty repairs and building replacement products. If Victron Energy repairs or replaces a part of a product, its warranty term is not extended. In case of replacement the new component has a warranty of 6 months, without effect on the initial warranty period. All remedies and the measure for damages are limited to the above. Victron Energy shall in no event be liable for consequential, incidental, contingent orspecial damages, even if having been advised of the probability of such damages. Any and all other warranties expressed or implied arising by law, course of dealing, course of performance, usage of trade or otherwise, including but not limited to implied warranties of merchantability and fitness for a particular purpose, are limited in duration to a period of two (2) years from the date of purchase.

Life Support Policy As a general policy, Victron Energy, does not recommend the use of any of its products in life support applications where failure or malfunction of the Victron Energy's product can be reasonably expected to cause failure of the life support device or to significantly affect its safety or effectiveness. Victron Energy does not recommend the use of any of its products in direct patient care. Victron Energy will not knowingly sell its products for use in such applications unless it receives in writing assurances satisfactory to Victron Energy that the risks of injury or damage have been minimized, the customer assumes all such risks, and the Liability of Victron Energy is adequately protected under the circumstances.

As a product requires service, it must be brought back to the place of purchase. In case no contact can be taken with the merchant, or if he is either unable or not allowed to provide service, direct contact should be taken with Victron Energy.

Warranty on Repairs The warranty period on products or on printed circuits boards repaired by Victron Energy as well as on printed circuit boards for replacement is 6 months from delivery by Victron Energy.

Transport It is the responsibility of the sender to sufficiently package these products. The transport must be organized in a way to avoid any damage, especially when a single unit or heavy unit is sent.

Severability If a part of the terms and conditions set out above is held invalid, void or unenforceable due to any particular national or international legislation, it shall not affect other parts of the terms and conditions remaining.

For Australia only Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Exotronic provides high-quality products and solutions tailored for B2B and commercial customers, including commercial businesses, caravan manufacturers, marine electricians, OEMs, as well as emergency services, and more.

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