Sol-Ark Essentials 12K 48V Hybrid Inverter — 12K-2P-LV

Use the 9kW AC rating when sizing backup loads

The manufacturer lists 9,000W maximum continuous AC output and 37.5A output current. The 12K name reflects 9,000W AC plus up to 3,000W DC battery charging in the documented combined operating condition; it is not a 12kW continuous backup-output rating. Off-grid surge is listed as 16,000VA for ten seconds at 240V and 25,000VA for 100ms.

Match the site voltage and electrical design

Nominal AC configurations include 120/240V, 120/208V and 220V, with 50/60Hz grid frequency. A qualified installer must select the correct configuration for the site and backup panel. The inverter supports a listed maximum 63A grid passthrough and 4ms backup transfer time. The passthrough limit and backup-output limit are different design constraints.

Size PV strings around both power and voltage

Two MPPT trackers accept two strings per tracker, with a self-limiting 20A operating input per MPPT. The rated MPPT operating range is 175–425V, startup voltage is 125V and maximum input is 500V. The datasheet distinguishes 13,000W maximum allowed PV array power from 12,000W maximum usable PV power. Calculate cold-weather open-circuit voltage and confirm string current before installation.

Choose a compatible 48V battery system

Nominal battery voltage is 48V, with a 43–63V operating range and up to 185A battery charge/discharge current. The current datasheet lists lithium batteries and CANBus/RS485 BMS communication. Choose an explicitly compatible battery and communication configuration, with cables and protection sized to the installation. A nominal voltage match alone does not establish battery compatibility.

Plan generator and AC-coupled sources

The datasheet lists integrated two-wire automatic generator start and up to 9,600W AC-coupled input. Generator wiring, source power, operating settings and interaction with backup loads require a complete design. Review the installation manual before selecting a generator, existing solar inverter or load arrangement. Do not assume every external source supports the same operating modes.

Allow mounting space and service clearance

The wall-mounted inverter measures 750 × 450 × 254mm in height, width and depth and weighs 35.4kg / 78lb. Its listed protection is IP65 / NEMA 3R, with a -25°C to +55°C ambient range and derating above 45°C. Follow the manual for location, mounting, ventilation and service access. Wi-Fi/LAN monitoring hardware and an external battery temperature sensor are listed as included.

Keep commissioning and warranty records

Sol-Ark specifies a ten-year limited warranty, with five-year coverage for the LCD screen and fans. Its installation operational verification checklist must be completed, signed and dated to secure full coverage. This is one Essentials 12K inverter; batteries, solar modules, external wiring, permits and installation are separate. This standard listing does not include EMP hardening or the features of the newer Limitless 12K-2P-LL.

Plan the complete installation

Match the exact model to the equipment, electrical limits and physical space in your project. Product-family names alone do not establish compatibility. Review the linked manufacturer instructions before ordering, and ask Torven Power if the proposed combination is unclear. Batteries, solar panels, inverters, cables, protective devices and installation labor are separate unless explicitly listed as included.

Buying and installation support

Use the specification table to compare this exact SKU with your system plan. Installation should follow the manufacturer instructions and applicable local requirements. Keep the model number, purchase record and commissioning details with your system documents so future service and replacement decisions use the correct equipment. Availability is shown separately on this page; a published listing does not imply a delivery date.

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Free shipping in the Lower 48: Standard delivery includes residential delivery and liftgate service when needed, with no fuel surcharge or order minimum. We send tracking when available, and the freight carrier contacts you to schedule delivery.

30-day returns: Contact Torven within 30 days of delivery and we will help you get started. See the return policy for item condition and return-shipping details.

Delivery problem? We are here to help. Contact Torven with your order number and photos. We will handle the claim coordination with the supplier and carrier and help arrange a resolution. Return shipping is covered for approved damage, defect or incorrect-item returns.

Manufacturer warranty: Sol-Ark specifies a ten-year limited warranty; LCD screen and fans are covered for five years. The installation operational verification checklist must be completed, signed and dated to secure full coverage. Eligibility and exclusions apply. Read the exact 12K-2P-N warranty.