Address- Lusaka Close -Off Lusaka Road- Industrial Area
Generators
Generators
Perkins Generators
Cummins Generators
Automatic Voltage Regulators (AVRs)
Automatic Voltage Regulators (AVRs)
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Our Top Automatic Voltage Regulators (AVRs) [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Automatic Voltage Regulators (AVRs)" tab_id="1746746406629-59f2baed-da4c"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="avrs" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDNCU1RCUyQyU1Qjk5MCUyQzQlNUQlMkMlNUIxMjAwJTJDNCU1RA=="]
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IREM AVRs [vc_tta_section title="IREM AVRs" tab_id="1746746406665-136ea6ae-fb1e"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="irem-avr"]
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Ortea AVRS [vc_tta_section title="Ortea AVRS" tab_id="1746746406704-9715ddc0-0ec9"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="ortea-avr"]
Uninterruptible Power Supply (UPS)
Uninterruptible Power Supply (UPS)
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Our Top Uninterruptible Power Supply (UPS) [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Uninterruptible Power Supply (UPS)" tab_id="1746828915750-c7c855df-0d7f"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" product_category="abb-ups" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDNCU1RCUyQyU1Qjk5MCUyQzQlNUQlMkMlNUIxMjAwJTJDNCU1RA==" title="ABB"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" product_category="easton-ups" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDNCU1RCUyQyU1Qjk5MCUyQzQlNUQlMkMlNUIxMjAwJTJDNCU1RA==" title="Eaton"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="apc-ups" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDNCU1RCUyQyU1Qjk5MCUyQzQlNUQlMkMlNUIxMjAwJTJDNCU1RA==" title="APC"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="galaxy-ups" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDNCU1RCUyQyU1Qjk5MCUyQzQlNUQlMkMlNUIxMjAwJTJDNCU1RA==" title="Galaxy"]
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ABB UPS [vc_tta_section title="ABB UPS" tab_id="1746828915792-f98981a1-8825"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="abb-ups"]
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Eaton UPS [vc_tta_section title="Eaton UPS" tab_id="1746829406995-ffd17ca7-bc8e"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="easton-ups"]
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APC UPS [vc_tta_section title="APC UPS" tab_id="1746828915875-db3af9a0-d22e"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="apc-ups"]
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Riello UPS [vc_tta_section title="Riello UPS" tab_id="1746829552975-f443afe5-f476"][s7upf_products product_number="100" pro_feature="" pro_sale="" word_excerpt="30" product_category="riello"]
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Galaxy UPS [vc_tta_section title="Galaxy UPS" tab_id="1746830002916-c6ef6415-dc22"][s7upf_products product_number="100" pro_feature="" pro_sale="" word_excerpt="30" product_category="galaxy-ups"]
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Easy UPS [vc_tta_section title="Easy UPS" tab_id="1746830061110-3bc34bda-876e"][s7upf_products product_number="100" pro_feature="" pro_sale="" word_excerpt="30" product_category="easy-ups, easy-ups-ups-power-supply-backup"]
ABB
Eaton
APC
Galaxy
Clean, Stable Power for Sensitive Loads | 0.5 – 20 kVA | Integrated Filtering & Protection
🔍 Product Overview
The Ortea Aquarius Plus is a high-performance power conditioner designed to deliver pure, regulated, and protected power to sensitive electrical and electronic equipment. With models ranging from 0.5 to 20 kVA, Aquarius Plus combines a servo-driven voltage stabilizer, EMI/RFI filters, surge protection, and galvanic isolation in a compact, robust unit.
Tailored for environments with dirty or unstable power—such as hospitals, labs, industrial PLCs, and telecom systems—the Aquarius Plus ensures equipment longevity and peak performance even in the face of voltage fluctuations, harmonics, and noise interference.
The Riello Sentinel Dual (Low Power) UPS Series is a compact, high-performance online double conversion UPS range designed for IT networks, servers, telecom systems, and mission-critical devices that demand absolute power continuity. Ranging from 1000VA to 3000VA, these UPS units can be used as either rack-mounted or free-standing tower systems, offering unmatched flexibility and space optimization.
With advanced features like high output power factor, selectable operating modes, and hot-swappable battery options, the Sentinel Dual (Low Power) range is engineered to ensure maximum uptime, energy efficiency, and adaptability for both professional and industrial applications.
Transformers
Transformers
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Our Top Transformers [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Transformers" tab_id="1746748205546-487fd411-bae2"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="transformers" image_size="thumbnail" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDNCU1RCUyQyU1Qjk5MCUyQzUlNUQlMkMlNUIxMjAwJTJDNSU1RA=="]
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Power Transformers [vc_tta_section title="Power Transformers" tab_id="1746749305411-7514fbf4-b25c"][s7upf_products product_number="" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="power-transformers"]
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Distribution Transformers [vc_tta_section title="Distribution Transformers" tab_id="1746748205713-4be2fa65-ca54"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="distribution-transformers"]
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Special Transformers [vc_tta_section title="Special Transformers" tab_id="1746748894434-69eca719-9b52"][s7upf_products product_number="" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="custom-special-transformers"]
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Low Voltage Transformers [vc_tta_section title="Low Voltage Transformers" tab_id="1746748205637-4729d3e3-6842"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="low-voltage-transformers"]
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Medium Voltage Transformers [vc_tta_section title="Medium Voltage Transformers" tab_id="1746749036025-b83f33e5-30ac"][s7upf_products product_number="" pro_feature="" pro_sale="" word_excerpt="30" product_category="medium-voltage-transformers"]
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Pole Mounted [vc_tta_section title="Pole Mounted" tab_id="1746749242227-7ef18354-9e92"][s7upf_products product_number="" pro_feature="" pro_sale="" word_excerpt="30" product_category="pole-mounted"]
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Oil Immersed Transformers [vc_tta_section title="Oil Immersed Transformers" tab_id="1746749398906-3fa9e6a8-e9e7"][s7upf_products product_number="" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="oil-immersed-transformers"]
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Instrument Transformers [vc_tta_section title="Instrument Transformers" tab_id="1746749475200-40b89cb7-f221"][s7upf_products product_number="" pro_feature="" pro_sale="" word_excerpt="30" product_category="instrument-transformers"]
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Unit-Substation Transformers [vc_tta_section title="Unit-Substation Transformers" tab_id="1746749618536-3e58e57f-403f"][s7upf_products product_number="" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="unit-substation-transformers-transformers"]
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Traction Transformers [vc_tta_section title="Traction Transformers" tab_id="1746749863225-8ac09e95-f735"][s7upf_products product_number="" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="traction-transformers"]
Power Supply & BackUps
Power Supply & Backups
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Our Top Power Supply & BackUp [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Power Supply & BackUp" tab_id="1746832091634-b07e5d1c-ac41"][vc_row_inner][vc_column_inner width="2/3"][s7upf_slide_carousel itemscustom="" pagination="true" animation="backSlide"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" col_layout="4" word_excerpt="0" product_category="irem-avr" image_size="thumbnail"][s7upf_products style="style2" product_number="1" pro_feature="" pro_sale="" order_by="rand" col_layout="4" word_excerpt="0" product_category="ups-power-supply-backup, avrs" image_size="thumbnail"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" col_layout="2" word_excerpt="0" product_category="ortea-avr, sterostab-avr, irem-avr, huawei-batteries" image_size="300x200"][s7upf_products style="style2" product_number="1" pro_feature="" pro_sale="" order_by="rand" col_layout="4" word_excerpt="0" product_category="ups-power-supply-backup, avrs, riello" image_size="thumbnail"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" col_layout="4" word_excerpt="0" product_category="ortea-avr, sterostab-avr" image_size="thumbnail"][s7upf_products style="style2" product_number="1" pro_feature="" pro_sale="" order_by="rand" col_layout="4" word_excerpt="0" product_category="easy-ups" image_size="thumbnail"][/s7upf_slide_carousel][vc_cta h2="BUY NOW!" add_button="bottom" btn_title="Contact Stema Engineeering" btn_color="danger" btn_size="lg" btn_custom_onclick="true"]At Stema Engineering, we offer custom-made solutions to cater for all energy needs no matter the scale and capacity. This has earned us trust from top brands![/vc_cta][/vc_column_inner][vc_column_inner width="1/3"][vc_separator border_width="5"][s7upf_products style="style5" product_number="3" pro_feature="" pro_sale="" hide_price="true" product_category="generators" image_size="thumbnail" title="One Stop ENERGY Shop"][vc_separator border_width="5"][s7upf_products style="style5" product_number="3" pro_feature="" pro_sale="" order_by="rand" product_category="transformers" image_size="thumbnail"][vc_separator border_width="5"][s7upf_products style="style5" product_number="3" pro_feature="" pro_sale="" order_by="rand" product_category="ups-power-supply-backup" image_size="thumbnail"][vc_separator border_width="5"][s7upf_parent][s7upf_banner style="style2" image="1193"][/s7upf_banner][/s7upf_parent][/vc_column_inner][/vc_row_inner]
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Power BackUps/Stabilizers [vc_tta_section title="Power BackUps/Stabilizers" tab_id="1746832091691-799a3dd0-7558"][s7upf_products style="style2" product_number="" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="sterostab-avr, irem-avr, ortea-avr, ups-power-supply-backup"]
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Stabilizers [vc_tta_section title="Stabilizers" tab_id="1746832091753-7feada66-c086"][s7upf_products style="style2" product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="avrs"]
🔋 Product Overview
ABB’s MegaFlex DPA and PowerLine DPA are robust, scalable, and modular UPS systems designed for large-scale data centers, industrial facilities, transportation systems, and critical process industries. Built on ABB’s Decentralized Parallel Architecture (DPA™), both systems deliver exceptional resilience, modularity, and redundancy for mission-critical loads.
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MegaFlex DPA focuses on high-density modular UPS for data centers (up to 1.5 MW in a compact footprint).
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PowerLine DPA is an industrial-grade UPS engineered for harsh conditions and critical process industries such as oil & gas, transportation, and utilities.
The Sentinel Pro UPS Series is a line of high-performance, online double-conversion uninterruptible power supply systems designed for servers, IT infrastructure, medical devices, industrial systems, and mission-critical electronics. With power capacities ranging from 700VA to 3000VA, Sentinel Pro delivers clean, uninterrupted sine wave power and maximum protection even in harsh environments or unstable power grids.
Built for efficiency, reliability, and intelligent control, this UPS series offers superior performance, long runtime options, and a robust LCD interface — making it the smart choice for professionals who need premium-grade backup and voltage conditioning.
Overview of Easy UPS 3S – 10 to 40 kVA
The Easy UPS 3S from Schneider Electric is a versatile and robust three-phase Uninterruptible Power Supply (UPS) system designed for small to medium-sized businesses, commercial buildings, and light industrial applications. Delivering 10 to 40 kVA of reliable power protection, this UPS is ideal for protecting critical loads in unstable power environments.
With high-efficiency performance (up to 96%), an intuitive user interface, and a compact footprint, the Easy UPS 3S ensures business continuity, reduces operational costs, and simplifies serviceability – all at an affordable price point.
BUY NOW!
At Stema Engineering, we offer custom-made solutions to cater for all energy needs no matter the scale and capacity. This has earned us trust from top brands!
One Stop ENERGY Shop
Solar Panels
Solar Panels
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Our Top Solar Panels [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Solar Panels" tab_id="1747308829625-ef3b2a6c-9bbb"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" product_category="solar-panels" image_size="thumbnail" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDMyU1RCUyQyU1Qjk5MCUyQzMlNUQlMkMlNUIxMjAwJTJDMyU1RA=="]
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Jinko Cheetah Series [vc_tta_section title="Jinko Cheetah Series" tab_id="1747308829694-4bfc7656-697d"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="jinko-cheetah-solar-panels"]
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Jinko Tiger Series [vc_tta_section title="Jinko Tiger Series" tab_id="1747308829810-33d8571a-af7c"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="jinko-tiger"]
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Jinko Tiger Pro [vc_tta_section title="Jinko Tiger Pro" tab_id="1747308829886-6c571f8d-73ae"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="jinko-tiger-pro"]
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Jinko Tiger NEO [vc_tta_section title="Jinko Tiger NEO" tab_id="1747308829962-96edfbf8-286b"][s7upf_products product_number="100" pro_feature="" pro_sale="" word_excerpt="30" product_category="jinko-tiger-neo"]
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Jinko Swan [vc_tta_section title="Jinko Swan" tab_id="1747308830036-24c98e7f-07d0"][s7upf_products product_number="100" pro_feature="" pro_sale="" word_excerpt="30" product_category="jinko-swan"]
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Jinko Eagle Series [vc_tta_section title="Jinko Eagle Series" tab_id="1747308830114-6e97327b-ab81"][s7upf_products product_number="100" pro_feature="" pro_sale="" word_excerpt="30" product_category="jinko-eagle"]
The APC Easy UPS SMV1500AI-MSX is a line-interactive UPS designed to deliver consistent and cost-effective power backup in environments with unstable utility power. With its 1500VA / 900W capacity, automatic voltage regulation (AVR), and universal outlet compatibility, it’s the perfect mid-range UPS solution for small businesses, IT rooms, POS systems, and telecom setups in Kenya.
The APC Back-UPS 750VA is an affordable, efficient, and compact line-interactive UPS designed to protect your essential electronics from power surges, spikes, and outages. With Automatic Voltage Regulation (AVR) and up to 420W output, it provides reliable battery backup for Wi-Fi routers, PCs, modems, CCTV systems, and small electronics — ideal for home users, remote workers, and small offices.
Built by APC by Schneider Electric, a global leader in power protection, this UPS offers clean battery power with easy plug-and-play installation, helping you avoid data loss and equipment damage during unexpected blackouts.
Batteries
Batteries
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Our Top Batteries [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Batteries" tab_id="1747312532181-cd5629be-bb81"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="batteries" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDMyU1RCUyQyU1Qjk5MCUyQzMlNUQlMkMlNUIxMjAwJTJDMyU1RA=="][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="jinkosolar-batteries" image_size="thumbnail" extra_class="box-slider-4" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDMyU1RCUyQyU1Qjk5MCUyQzMlNUQlMkMlNUIxMjAwJTJDMyU1RA==" title="Jinko Solar"]
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Huawei Batteries [vc_tta_section title="Huawei Batteries" tab_id="1747312532322-590e513e-31e2"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="huawei-batteries"]
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Deye Batteries [vc_tta_section title="Deye Batteries" tab_id="1747312532413-990cf791-879f"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="deye-batteries"]
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JinkoSolar Batteries [vc_tta_section title="JinkoSolar Batteries" tab_id="1747312532497-217a3fda-677c"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="jinkosolar-batteries"]
Jinko Solar
🔋 High-Performance Double Conversion UPS for Data Centers, Healthcare, and Industry
The PowerScale UPS series is a robust, online double conversion uninterruptible power supply that delivers 10 to 120 kVA of highly efficient, scalable, and space-saving power protection. Ideal for data centers, telecoms, critical manufacturing, transport infrastructure, and healthcare environments, the PowerScale series ensures zero power interruptions and clean energy at all times.
Its modular architecture, parallel scalability, and industry-leading efficiency up to 96% make PowerScale a trusted choice for mid-sized to enterprise-grade installations.
The Riello Sentinel Rack UPS Series delivers robust, double-conversion online protection in a compact, 2U rack-mounted design. Available in 1.5 kVA and 3 kVA models, these units are purpose-built to protect servers, storage systems, VoIP equipment, routers, switches, and other sensitive IT and telecom infrastructure from power interruptions, fluctuations, and surges.
With advanced battery management, high output power factor (0.9), and smart energy-saving modes, the Sentinel Rack series ensures maximum uptime, extended battery life, and clean sine wave output — all within a low-profile form factor ideal for high-density rack environments.
Inverters
All Inverters
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Our Top Inverters [vc_tta_section i_type="openiconic" add_icon="true" title="Our Top Inverters" tab_id="1747316756077-595a2200-e667"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="huawei-inverters" image_size="thumbnail" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDMyU1RCUyQyU1Qjk5MCUyQzMlNUQlMkMlNUIxMjAwJTJDMyU1RA==" title="Huawei Inverters"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="deye-inverters" image_size="thumbnail" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDMyU1RCUyQyU1Qjk5MCUyQzMlNUQlMkMlNUIxMjAwJTJDMyU1RA==" title="Deye Inverters"][s7upf_products style="style5" product_number="100" pro_feature="" pro_sale="" order_by="rand" autoplay="false" product_category="jinko-inverters" image_size="thumbnail" itemscustom="JTVCMCUyQzIlNUQlMkMlNUI0ODAlMkMzJTVEJTJDJTVCNzY4JTJDMyU1RCUyQyU1Qjk5MCUyQzMlNUQlMkMlNUIxMjAwJTJDMyU1RA==" title="Jinko Inverters"]
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Huawei Inverters [vc_tta_section title="Huawei Inverters" tab_id="1747316756177-fa223041-a00d"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="huawei-inverters"]
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Deye Inverters [vc_tta_section title="Deye Inverters" tab_id="1747316756265-0bdfee84-7393"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" word_excerpt="30" product_category="deye-inverters"]
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Jinko Inverters [vc_tta_section title="Jinko Inverters" tab_id="1747316756360-a7271e00-d1cd"][s7upf_products product_number="100" pro_feature="" pro_sale="" order_by="rand" order_by_show="on" col_layout="3" word_excerpt="30" product_category="jinko-inverters"]
Huawei Inverters
Deye Inverters
Jinko Inverters
🔍 Overview
Precision Voltage Regulation | 0.5 – 10 kVA | ±15% to ±25% Input Variation
The IREM Mini Power Quality Line offers compact, high-performance voltage stabilizers specifically designed for sensitive electronic equipment, laboratory devices, medical systems, and small-scale industrial automation. With power ratings from 0.5 kVA to 10 kVA, this series corrects voltage fluctuations ranging from ±15% to ±25%, delivering stable output and protecting devices against overvoltage, undervoltage, and transient disturbances.
Manufactured in Italy, the Mini PQ Line embodies IREM’s signature reliability with servo-controlled or hybrid regulation, digital display options, and a small footprint — making it perfect for installations in offices, labs, workshops, and telecom rooms.
The APC Easy UPS BV800VA (BV800I-MSX) is a reliable and budget-friendly uninterruptible power supply designed to protect your valuable home and office equipment from power surges, voltage fluctuations, and unexpected blackouts. Featuring Automatic Voltage Regulation (AVR) and universal outlet compatibility, this UPS provides essential backup power in a compact, plug-and-play form factor.













