off grid power supply

We require 3LCD laser projectors meeting precise specifications:
- 800-1000 ANSI Lumens brightness with 1080P resolution
- Compact dimensions (approx. 175x175x65mm) with top/front manual focus
- Non-Android OS with HDMI input and off-board power supply
- Must include RS232/PJ Link control for power/screen orientation
- Requires CE, UKCA and UL certifications

Annual demand estimated at 1,000 units as market develops. Please specify MOQ requirements and production capabilities for this customized model.

We are seeking reliable manufacturers to supply Automatic Meter Readers for residential energy consumption measurement and Meters for Grid/Substation applications. The required devices must collect energy usage data through cellular technology transmission, support configurable billing data formats, and comply with open architecture standards. Products should be suitable for both consumer-level and industrial-scale power distribution systems. Please provide technical specifications and product certifications for evaluation.

1. Number of axes - at least 3. 2. Wire size range - from 1.2 mm to 5 mm. 3. Number of workplaces on the machine - 1. 4. Machine power - at least 5 kW. 5. Power supply - 380 V/50 Hz. 6. Pay - off reel load capacity - at least 150 kg. 1 piece

would like to have your offer for the supply of the following tender items with lead time and Data sheet. MPPT charge controller, efficiency not less than 92 %, and shall meet the following specifications. voltage, as per technical specifications Controller must utilize passive cooling (not fans); Should allow parallel operation, i.e more than one unit can be connected in parallel. Controllers to be certified CE or UL and to meet at least one for the following or equivalent standards IEC 62509 or IEC 62093; The device should have LED or LCD display. Equipped with SPD in the upstream input for each Charge Controller. Product warranty shall be 5 years. 228 Pcs MPPT Charge Controller Rated 85A - 100 A, at least 150 VDC input voltage. 148 Pcs MPPT Charge Controller Rated 100 A, at least 150VDC input voltage. 83 Pcs MPPT Charge Controller Rated 100 A, at least 450VDC input voltage. Off-Grid Inverter single phase, pure sine wave, 230 V, 50Hz as per below technical specifications. - The inverter shall produce pure sine wave form with provision for battery charger, and it can be configured individually or in parallel - Output frequency shall be 50 Hz - Designed for indoor enclosure not less than IP 20 - Maximum efficiency should be not less than 90 % at full load - To be certified to meet at least CE and UL marking and complaint with IEC 62109 - The device should be integrated with LED indicators or LCD display - It shall allow adjustment of battery voltage and charging current - The device shall allow connection to grid and/or backup generator(s) - The charging function of the inverter/charger shall include battery charging functionality   and the inverter shall be wired in ways that make use of the inverter battery charging   functionality if the installation includes either mains power or a diesel generator. - Protections required: AC overload and load short circuit, overvoltage, overheating and battery reverse polarity - The inverter shall allow internet connection for remote monitoring - Product warranty shall be 5 years. 22 Pcs 7KVA Solar Off-Grid Inverter. 69 Pcs 10KVA Solar Off-Grid Inverter. . 116 Pcs 15KVA Solar Off-Grid Inverter. 

Inquiry About 12v250Ah Cycle Use VRLA Gel battery  for on / off grid solar power systems