Rex Investment Limited - Tanzania's leading solar energy contractor

Solar photovoltaic modules (or panels) convert solar radiation into electricity ready for use in the afternoon.

Their output is measured in Peak Watts, which designate the maximum power that a module can produce on a sunny day.

Rex Investment imports from world best renown manufacturers:
- Suntech (exclusive distributorship rights in 5 Eastern and Central Africa countries)
- Kyocera
- Solar World
- BP Solar

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If power goes out again today, can you operate your business? Light your office? Operate your cash register? Run your computer, fax machine or printer?You don't have to scratch your head! Here is the solution: Backup system. 

Solar back-up systems allow a comfortable management of power cuts.

They are composed of:

- a battery bank
- an inverter-charger

The national grid power charges the battery bank through the inverter-charger. When power goes off, within 6 milliseconds, the inverter-charger and the batteries automatically supply power to your appliances.

Batteries are used to store electric energy in solar photovoltaic installations and back-up systems. Most of the batteries sold at Rex Investment Ltd are deep cycle and sealed.

Advantages

- Longer lifespan compared to ordinary batteries

- Very low maintenance

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Solar charge controllers protect batteries from excessive discharging or overcharging. They also help the user to monitor the solar system and detect any abnormality.

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Inverters convert Direct Current (DC) which is stored in the solar battery bank into Alternating Current (AC).

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Solar water pumping systems feature high performance and low cost, pumping water from wells or bore holes up to 200 meters deep. An ideal solution for pumping water in rural areas and off-grid locations.

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Rex Investment Ltd is the sole retailer of solar fridges in Tanzania.

Vibocold Solar fridge is an innovative energy saving DC fridge, suitable for any DC and solar application. The device can be either used as a refrigerator or a freezer.

Advantages:

- High reliability and long lifespan

- Particularly suited for use in off-grid areas

- Important cost savings due to the reduced size of the necessary solar PV system (size of solar module, no need for inverter).

Sizes available: 65L and 105L

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Rex Investment Ltd is the sole retailer of solar fridges in Tanzania.

NAPS Solar vaccine fridge is an innovative energy saving DC fridge, suitable for any health center or dispensary located in rural areas. It has a gross internal volume of 58L.

NAPS vaccine refrigeration system has passed all the required WHO tests and is one of the leading products of this type in the world. The vaccine storage system is delivered complete, comprising of solar modules, battery box with integral charge controller and vented battery.

Advantages:

- High reliability and long lifespan

- Particularly suited for use in off-grid areas

- Important cost savings compared to an off-grid diesel generator

- Easy-to-install package 

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Rex Investment Limited was the first to introduce solar portable mobile phone charger in Tanzania.

Mobile with the solar mobile charger! It is small, portable and easy to use, and fit with all charger plugs.

Also try our solar lanterns: portable, easy-to-use solar light at mini-cost.

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