This is the paralleling cable set EG4 designed for connecting multiple EG4 Wall Mount (PowerPro) batteries into a single stacked bank. If you're expanding capacity beyond one battery, this set handles the inter-battery wiring.
Paralleling multiple wall-mount lithium batteries safely depends on matched, purpose-built interconnect cabling — not generic jumper cables from a hardware store. Mismatched or undersized cable between banked batteries creates uneven current draw across cells, which shortens battery life and can trip inverter fault codes. Note: If you would like to review the manufacturer Product Specifications, Warranty, Brochure, etc., for this system, please refer to the "Resources (System Manuals and Warranty)" Tab above on this page.
Critical Fitment & Requirements
- Purpose-built for paralleling EG4 Wall Mount (PowerPro) Indoor batteries in a stacked bank configuration.
- Detailed wire gauge, cable length, and terminal lug size were not provided in the manufacturer data. [NEEDS VERIFICATION]
- NOT compatible with EG4 Server Rack batteries — different chassis and terminal spacing.
- NOT compatible with EG4 Stackable batteries.
- NOT rated for use with High Voltage EG4 battery systems or non-EG4 battery brands due to differing pinouts and terminal geometry.
When paralleling wall-mount batteries, uneven cable lengths between units are a common source of imbalanced current draw — the battery with the shortest, lowest-resistance path pulls more amps than its neighbors during charge and discharge cycles. Over time this imbalance accelerates cell aging in the "favored" battery and can trigger a voltage-mismatch fault on the inverter. Torque every lug connection to the battery manufacturer's spec using a digital torque wrench rather than hand-tightening — a loose lug is a resistance point that generates heat under load. Confirm final torque values and terminal connections against the manufacturer's documentation and applicable NEC ampacity guidance before energizing the bank.
Key Benefits
- Matched cable set designed for direct fit on EG4 Wall Mount (PowerPro) battery terminals.
- Simplifies multi-battery bank wiring versus sourcing individual generic cables.
- Reduces guesswork on cable length and terminal compatibility for this specific battery family.
- Supports expansion of an existing single-battery EG4 Wall Mount install into a paralleled bank.
| Spec | Value | Unit |
|---|---|---|
| SKU | EG4PARACABLE | — |
| Price | 229.99 | USD |
| Compatible Battery Voltage | 48 | V |
Note: See "Resources (System Manuals and Warranty)" Tab above for full specifications.
Compatibility & Fitment
- Fits: EG4 Wall Mount (PowerPro) Indoor Battery, 48V 280Ah.
- Fits: EG4 Wall Mount (PowerPro) Indoor Battery, 48V 314Ah.
- Does NOT fit: EG4 Server Rack batteries.
- Does NOT fit: EG4 Stackable batteries.
- Does NOT fit: EG4 High Voltage battery systems.
- Does NOT fit: non-EG4 battery brands due to differing terminal pinouts.
| Compliance Item | Detail |
|---|---|
| UL Listings | [NEEDS VERIFICATION] — not specified for this cable accessory in provided data |
| NEC Ampacity Reference | [NEEDS VERIFICATION] — refer to Resources tab for manufacturer documentation |
| IP Rating | [NEEDS VERIFICATION] |
FAQ
What size are the terminal lugs?
Terminal lug size is not specified in the manufacturer data provided for this cable set. [NEEDS VERIFICATION]
Is this cable rated for 48V systems?
Yes. This cable set is built to connect EG4 Wall Mount (PowerPro) batteries, which operate at 48V nominal.
Will this cable work with EG4 Server Rack or Stackable batteries?
No. This set is built specifically for the EG4 Wall Mount (PowerPro) Indoor Battery family. Server Rack and Stackable EG4 batteries use different housing dimensions and terminal layouts, so this cable set is not a fit for those product lines.
How many batteries can I parallel with this set?
The manufacturer data provided does not specify a maximum paralleling count for this cable set. [NEEDS VERIFICATION]
Warranty & Registration
Manufacturer warranty terms for this cable set were not included in the provided data. Refer to the "Resources (System Manuals and Warranty)" Tab above on this page for the current EG4 warranty documentation. If you have questions before you order, ask us — we always reply back.