Replacing an inverter cable kit or adding a Go Power inverter? These three model numbers correspond to different cable gauges and high-current fuse sizes. Match the installed inverter's DC rating and factory instructions before ordering a kit.

Battery, fuse and inverter connection overview

In a correctly protected installation, the positive lead is fused close to the battery and the negative lead returns to battery negative. This simplified drawing identifies the components; the manufacturer's manual governs polarity, mounting, conductor selection and torque.

Battery positive (+)12V battery bank positive
↓
Class-T fuse block200A, 300A or 400A depending on exact kit
↓
Inverter DC positive (+)Manufacturer-specified red battery cable
Battery negative (−)12V battery bank negative terminal
↓
Direct negative cableManufacturer-specified black battery cable
↓
Inverter DC negative (−)Follow inverter chassis grounding instructions separately
Original illustrative component diagram, not an installation wiring schematic. Do not bypass the specified fuse, grounding instructions, or battery protection.

Compare cable gauge and fuse ratings by kit

Go Power's model-selection table lists the following for 12V inverter output ratings. These are general manufacturer selection ranges, not universal compatibility with every inverter. A 24V system can require a different kit and wiring specification.

Model 12V inverter size DC protection Battery cable Cable length
GP-DC-KIT3 1,100–1,800W 200A fuse block #2 AWG 10 ft
GP-DC-KIT4 2,000–2,500W 300A fuse block 2/0 AWG 10 ft
GP-DC-KIT5 2,600–3,000W 400A fuse block 4/0 AWG 10 ft

The kits include 10-foot battery cables, the fuse block, cable ties, clamps and mounting screws. For GP-DC-KIT3 the fuse block is FBL-200, for KIT4 it is FBL-300, and for KIT5 it is FBL-400. The kit does not replace a separate inverter chassis-ground connection.

Check the actual inverter manual: The cable length, protection device and conductor size for your installation take precedence over a generic wattage chart. Cable runs beyond the manufacturer's allowed length can require redesign rather than simply installing the same kit.

Product photographs and numbered kits

The links below open the corresponding exact-number products in this store. Inverter models are shown as application examples, not included in the cable kits.

Battery cable and fuse kits

GP-DC-KIT3 RV inverter or installation kit product image
GP-DC-KIT310-ft #2 AWG / 200A fuse; select for product details and availability.
GP-DC-KIT4 RV inverter or installation kit product image
GP-DC-KIT410-ft 2/0 AWG / 300A fuse; select for product details and availability.
GP-DC-KIT5 RV inverter or installation kit product image
GP-DC-KIT510-ft 4/0 AWG / 400A fuse; select for product details and availability.

Related inverter/chargers

Original Go Power installation information

The manufacturer's installation documentation provides the true fuse-block and battery-terminal drawing, kit comparison, polarity checks and connection instructions. Use it before installation.

Go Power inverter DC kit specifications and manuals

Electrical safety: High-current battery shorts can create fire and serious injury hazards. Disconnect all energy sources and have a qualified RV electrical technician confirm the exact fuse, cable sizing, terminal torque and mechanical protection.

See the inverter cable and battery-protection component layout

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