A complete off-grid inverter/charger, not a battery-only box: it carries its own solar array with no separate charge controllers, runs the house on 120/240 V split phase, and charges from a generator when the sun is short.
Safety listing: No third-party safety certificate is on file for this model. This is an off-grid inverter — confirm what listing your inspector requires before specifying it on a permitted job.
Key specs
12 kW continuous split phase (7.2 kW on a single 120 V leg); 18 kVA peak — starts a 6 HP motor
2 MPPT trackers; 500 V DC max, 90–450 V MPPT range; up to 12 kW of solar (6 kW per tracker)
48 V lithium or lead-acid battery, 40–58.6 V, every set point adjustable on screen; AC charge up to 160 A
Generator/grid input 120/240 V split phase, 50/60 Hz auto-detect
Parallel 1–6 units
22 A per tracker; 220 A solar charge; 63 A per leg pass-through
Size 24.4 × 17.7 × 5.2 in (620 × 450 × 132 mm); 52 lb (23.8 kg)
Indoor wall mount; −10 °C to 55 °C (derates above 45 °C); forced-air cooling under 60 dB
OLED touch screen; Wi-Fi monitoring dongle included — phone app, nothing extra to buy
In the box
Inverter, wall-mount bracket and hardware, Wi-Fi dongle, PV connectors, user manual.
Warranty
5 years from Fantastech Energy Solution LLC.
Shipping: ships LTL freight on a pallet from Goshen, Indiana. The freight price you see at checkout is a live carrier quote for your address; add lift-gate if you have no dock or forklift. Continental US only.
KOOR® is a registered trademark of Fantastech Energy Solution LLC, Goshen, Indiana. Sold, supported and warrantied by Fantastech — call 574-218-1973 or email derek@fantastech.org. Full specifications, manuals and wiring guides: https://koorusa.com/12k-off-grid.html
KOOR 12K Off-Grid Inverter — KR-A12US
$1,666.84
12 kW off-grid inverter/charger with its own solar input. 120/240 V split phase, 2 MPPT, 500 V PV. 5-year warranty.
Description
A complete off-grid inverter/charger, not a battery-only box: it carries its own solar array with no separate charge controllers, runs the house on 120/240 V split phase, and charges from a generator when the sun is short.
Safety listing: No third-party safety certificate is on file for this model. This is an off-grid inverter — confirm what listing your inspector requires before specifying it on a permitted job.
Key specs
In the box
Inverter, wall-mount bracket and hardware, Wi-Fi dongle, PV connectors, user manual.
Warranty
5 years from Fantastech Energy Solution LLC.
Shipping: ships LTL freight on a pallet from Goshen, Indiana. The freight price you see at checkout is a live carrier quote for your address; add lift-gate if you have no dock or forklift. Continental US only.
KOOR® is a registered trademark of Fantastech Energy Solution LLC, Goshen, Indiana. Sold, supported and warrantied by Fantastech — call 574-218-1973 or email derek@fantastech.org. Full specifications, manuals and wiring guides: https://koorusa.com/12k-off-grid.html
Additional information
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