Langston's Alternative Power: New Products

EG4 12000 XP inverter 120/240

Wed, 03 Jun 2026 11:10:43 +0000

TECHN I CAL SPEC I F I CAT I ONS
AC INPUT DATA
NOMINAL AC VOLTAGE (GRID | GENERATOR) 120/240VAC; 120/208VAC (L1/L2/N required)
FREQUENCY (GRID | GENERATOR) 60 Hz (Default) | 50 Hz (Configurable)
GRID MAX. CONTINUOUS AC CURRENT 100A @ 240VAC
MAX. AC INPUT POWER 2400..

Price: $1,950.00

Tamarack Solar 90507 Flush Mount Kits 2.3 Black Rail 93-inch – 8 Rail Kit

Tue, 19 May 2026 16:52:39 +0000

Tamarack Solar 90507 Flush Mount Kits

Kit contains all parts required to mount 8 modules with widths of up to 46-inches in portrait orientation.

2.3-inch rail height for Max span is 8', max wind is 190 MPH, and max snow load is 120 PSF.

Module clamps included in kits fit ..

Price: $740.00

EG4 PRO indoor battery 48V314A

Wed, 26 Mar 2025 08:48:10 +0000

Introducing the EG4 Power Pro Wall Mount indoor Battery - the ultimate energy storage solution for all your solar power needs. This cutting-edge 48V 315Ah Lithium Iron Phosphate (LiFePO4) battery redefines reliability and performance, ensuring your power supply remains uninterrupted.

TEC..

Price: $31,200.00

Consulting

Thu, 27 Jun 2024 12:54:14 +0000

Consulting is included in prices when you purchase packages from me. If you are purchasing other products from other companies, it will be $100.00 per hour for consulting.

Price: $100.00

Mini Split, Hybrid AC/DC - 2 Ton, 24,000 BTU DIY

Wed, 26 Jun 2024 12:40:26 +0000

Key Features
True Hybrid Operation – Runs on solar DC power (90-380VDC), AC grid power, or both simultaneously with intelligent auto-switching
High Efficiency Performance – SEER2 ratings up to 22.5 and HSPF2 ratings up to 10for exceptional e..

Price: $2,200.00

EG4 Hybrid Solar Mini-Split Air Conditioner Heat Pump AC/DC | 12000 BTU | SEER2 22 | Energy Star Certified | Plug-N-Cool Do-It-Yourself Installation

Wed, 26 Jun 2024 12:18:21 +0000

The EG4 Solar AC is one of the most innovative ductless heat pump/air conditioners available; reduce your electric bill and keep your home the temperature you want with this energy-efficient appliance. Featuring the ability to plug directly into solar panels, this system accepts DC power ..

Price: $1,500.00

EG4 18Kpv Monitoring Adapter | 4G Cellular Modem

Wed, 26 Jun 2024 11:46:27 +0000

Monitor your EG4 18Kpv via a 4G cellular connection.

Replaces WIFI Monitoring Adapter.

The included SIM card comes with 5 years of service. After this time, a new SIM card will be required to continue 4G monitoring.

Price: $380.00

EG4 PowerPro Conduit Box

Wed, 26 Jun 2024 11:38:36 +0000

Conduit box (Qty 1)• Conduit box plugs (Qty 9)• Rubber/plastic gro

Price: $140.00

EG4 PowerPro WallMount AllWeather Lithium Battery | 48V 280Ah | 14.3kWh LiFePO4 | All-Weather Energy Storage | UL1973, UL9540A | 10-Year Warranty

Wed, 26 Jun 2024 11:34:39 +0000

EG4® 14.3kWh PowerPro
WallMount
All Weather Battery
Built-In 200A
BMS
51.2V 280Ah
(48V Nominal)
On-Board LCD Touch Screen
10 Year Warranty
>8000 Cycles at
80% DOD
82.6MWh
Lifetime
Production*
Eas..

Price: $3,150.00

EG4 PowerPro Battery Paralleling Cables

Wed, 26 Jun 2024 10:50:31 +0000

Red positive battery parallel cable 53.1 in. (Qty 1)
• Black negative battery parallel cable 53.1 in. (Qty 1)
• Parallel Communication cable 59.1 in. (Qty 1)

Price: $150.00