TILmartServices

TILmartServices TILmart – Where Manufacturers, Installers & Customers Meet

TILmart is a modern online marketplace dedicated to providing reliable, high quality solar and electrical products to homes, businesses and installers across Nigeria. Backed by Theoteck International Limited, TILmart operates with a strong commitment to innovation, customer satisfaction and sustainable energy solutions. As a digital retail platform, TILmart simplifies access to solar panels, inver

ters, batteries, charge controllers and other essential power products, offering customers a seamless shopping experience supported by trusted service and transparent operations.

11/08/2026

TUBULAR BATTERY TERMINALS NEED MAINTENANCE

11/08/2026

WHY WHITE POWDER FORMS ON TUBULAR BATTERY TERMINALS

Many people notice a white, chalk‑like powder forming around their tubular battery terminals. This powder is a sign of corrosion, caused when battery acid vapours react with the metal terminals. It reduces battery performance, weakens connections and can shorten battery life if not addressed.
Causes, Effects and How to Manage It

• Acid Vapour: During charging, small amounts of acid vapour escape and react with the metal terminals, forming white deposits.
• Loose Connections: Poorly tightened terminals allow gases to leak, increasing corrosion.
• Overcharging: High charging voltage causes excess gassing, which accelerates powder formation.
• Heat and Humidity: Hot environments speed up chemical reactions around the terminals.
• Electrolyte Spillage: Even a small spill can dry up and leave white residue.
• Cleaning and Protection: Cleaning with warm water and baking soda removes corrosion, while applying petroleum jelly protects the terminals.
• Correct Charging Settings: Using the right charging voltage reduces gassing and keeps terminals clean.
• Tight, Strong Connections: Properly tightened terminals prevent vapour leakage and improve conductivity.
• Good Ventilation: A well ventilated battery area reduces heat build-up and slows corrosion.
• Regular Inspection: Checking terminals monthly helps catch corrosion early before it becomes severe.

White powder on tubular battery terminals is a common sign of corrosion, but it’s easy to manage with proper care. By keeping terminals tight, maintaining correct charging settings, cleaning when necessary and protecting the metal surfaces, your battery will deliver stronger performance, longer lifespan and more reliable backup power.

08/08/2026

SHOULD YOU CHARGE YOUR INVERTER BATTERY BEFORE FIRST USE?

When a new inverter battery is installed, many people wonder if it must be fully charged before powering any load. While the battery will still work if used immediately, allowing it to charge completely first is the best practice. A proper first charge helps the battery stabilize, prevents early damage and ensures your solar or backup system starts strong from day one.

Why First‑Time Charging Matters
• Factory Charge Level: Batteries are shipped at 60–80% charge, not full capacity.
• Chemical Activation: The first full charge helps the internal plates form correctly.
• Reduced Early Stress: Prevents sulfation and protects long‑term battery health.
• Accurate Inverter Calibration: Helps the inverter read voltage and battery percentage correctly.
• Maximum Backup Time: Ensures the battery delivers full runtime from day one.
• Better Load Handling: A fully charged battery handles heavy appliances more smoothly.
• Longer Lifespan: Proper first charging supports long‑term durability.

It’s not a strict rule, but allowing your inverter battery to charge fully before first use is highly recommended. This simple step improves performance, prevents early damage and ensures your solar or backup system starts at its strongest. A well charged battery is a healthy battery, and it sets the foundation for reliable power for years to come.

07/08/2026

TUBULAR BATTERY SCIENCE AND STRUCTURE

Tubular batteries are known for a strong solar backup systems. Their design is built for deep‑cycle performance, long lifespan and high reliability.
Unlike flat plate batteries, tubular batteries use a reinforced structure that holds active material firmly in place, preventing shedding and improving durability.

How Tubular Batteries Are Built
• Positive Tubes: The positive plate is made of multiple tubes filled with active material, giving higher strength and longer life.
• Grid Structure: A strong lead alloy spine runs inside each tube, improving conductivity and reducing corrosion.
• Active Material Retention: The tubular design prevents active material from falling off during deep cycles.
• Electrolyte Interaction: The electrolyte flows evenly around the tubes, improving chemical reactions and charging efficiency.
• Deep‑Cycle Strength: Tubular batteries handle repeated charging and discharging without losing capacity quickly.
• Heat Resistance: Their structure tolerates high temperatures, making them ideal for Nigerian conditions.
• Longer Lifespan: Tubular batteries last longer than flat‑plate batteries due to stronger internal support.

Tubular batteries are engineered for durability, deep cycle performance and long term reliability. Their unique tube based structure protects the active material, improves conductivity and ensures stable backup power for solar systems. If you want a battery that can handle heavy daily use and harsh temperatures that is cheaper compared to Lithium battery, a tubular battery is one of the best choices for your solar setup.

MPPT Tracking: How Your Inverter Finds Maximum PowerSolar power changes every minute as sunlight shifts, clouds move and...
04/08/2026

MPPT Tracking: How Your Inverter Finds Maximum Power

Solar power changes every minute as sunlight shifts, clouds move and temperatures rise.
That’s why modern inverters use MPPT (Maximum Power Point Tracking) to automatically find the exact voltage and current where your panels produce the highest possible power.
MPPT adjusts in real time, ensuring your system stays efficient throughout the day, even under partial shading or low‑light conditions.
A good MPPT System;
• Maximum Power Extraction: Keeps your panels operating at their most productive point.
• Better Under Clouds: Converts weak sunlight into usable energy.
• Higher Efficiency: Boosts output by 20–30% compared to PWM.
• Real‑Time Adjustment Responds instantly to changes in temperature and irradiance.
• Stronger Under Shading: Helps recover power when part of the array is shaded.
• Flexible Panel Configuration: Supports higher voltages and longer strings.
• Optimized Battery Charging: Provides stable, efficient charging for longer battery life.

MPPT is the intelligent engine inside your solar inverter. It ensures your panels deliver maximum power every moment of the day, regardless of weather or shading. With MPPT tracking, your solar system becomes more efficient, more reliable and more productive. This means better energy harvest and long‑term performance for your home or business.

INVERTER SURGE CAPACITYHeavy appliances don’t just consume power; they demand a sudden burst at start-up. This short spi...
28/07/2026

INVERTER SURGE CAPACITY
Heavy appliances don’t just consume power; they demand a sudden burst at start-up. This short spike is called surge power, and every inverter must be able to handle it. Fridges, pumps, freezers and AC units all rely on strong surge support to start smoothly. Understanding surge capacity helps you choose an inverter that won’t trip or shut down.

• A surge is a short burst of high power needed when appliances start running.
• Good inverters deliver 2–3x times their rated power for a few seconds.
• Weak surge capacity causes tripping, shutdowns and unstable performance.
• Appliances like fridges, pumps, and AC units depend on strong surge support.
• Surge rating determines which loads your inverter can safely start.
• Proper surge sizing prevents overload and protects your system.
• Surge performance is a major factor in choosing a reliable inverter.

Surge capacity is one of the most important inverter specifications to understand.
It directly affects how well your system handles heavy appliances at start-up.
Choosing an inverter with the right surge rating ensures smooth operation and fewer shutdowns. A properly sized inverter delivers stable performance, longer lifespan and reliable power.

HOW SHADING AFFECTS SOLAR OUTPUTShading is one of the most common reasons solar systems underperform. Even small shadows...
27/07/2026

HOW SHADING AFFECTS SOLAR OUTPUT
Shading is one of the most common reasons solar systems underperform. Even small shadows can drastically reduce the energy your panels produce. Most people don’t realize that shading affects both power and panel health. Understanding how shading works helps you protect your investment.

• Shading reduces the amount of sunlight reaching the panel, instantly lowering output.
• In series connections, one shaded panel drags down the entire string’s performance.
• Shadows create hot spots, increasing panel temperature and reducing efficiency.
• Dirt, leaves, bird droppings and debris act like shading and block sunlight.
• Nearby trees and buildings can cause moving shadows throughout the day.
• Partial shading can confuse the MPPT, causing unstable or reduced power tracking.
• Long term shading reduces system lifespan by stressing affected panels.

Shading is easy to overlook but has a major impact on solar performance. Proper site assessment helps installers avoid future shading problems. Regular cleaning and trimming nearby trees keep your panels working at full capacity. A well placed, shade free solar array delivers maximum power and long term reliability.

MANUFACTURER’S RATING LABEL EXPLAINED Understanding how to interpret your inverter label helps you choose the right batt...
26/07/2026

MANUFACTURER’S RATING LABEL EXPLAINED
Understanding how to interpret your inverter label helps you choose the right batteries and solar panels, avoid overloads, install your system correctly, troubleshoot issues confidently and save money by preventing wrong component selection and unsafe configurations.
A Sample information printed on the inverter’s Manufacturer’s Rating Label has been fully broken down and explained below to help you understand every specification clearly.

MPPT Solar Inverter
This means the inverter uses MPPT technology, which helps it extract maximum power from your solar panels.

Model Name: EM‑5048 MX‑ECO
This is the inverter’s unique model number used for identification, manuals, and support.

Operating Temperature: -10°C to 50°C
The inverter works safely only within this temperature range. Extreme heat or cold reduces performance.

Rated Power: 5000VA / 5000W
The inverter can run appliances up to 5000 watts continuously without overload.

DC Input: 48VDC, 118A
It uses a 48V battery bank and can draw up to 118 amps when powering heavy loads.

AC Output: 230VAC, 50/60Hz, 22A (Single Phase)
This is the standard household power your appliances receive.

AC Input (Charger Mode): 230VAC, 35A
This is the power it accepts from NEPA or a generator when charging your batteries.

DC Output (Charger): 54VDC, Default 30A, Max 100A
The inverter normally charges batteries at 30A, but can go up to 100A for faster charging.6

Solar Power: 5000W
The MPPT can handle up to 5000W of solar panels connected to it.

Nominal Solar Operating Voltage: 320VDC
Your solar panel strings should operate around 320V for best performance.

Max Solar Voltage (VOC): 500VDC
Your solar array must never exceed 500V, or the inverter can be damaged.

MPPT Voltage Range: 120–450VDC
The inverter tracks maximum solar power when panel voltage stays within this range.

Max MPPT Current (Isc): 22.5A
The MPPT can safely handle up to 22.5A short‑circuit current from the solar array.

Enclosure: IP21
Protected from fingers and light vertical water drips i.e. indoor installation only.

Protective Class: I
The inverter requires proper grounding for electrical safety.

Over‑Voltage Category: OVC III
Designed for building wiring that may experience higher surge levels than household appliances.

RoHS / CE Mark
The inverter meets environmental and European safety standards.

25/07/2026

Always source for services of Qualified Technician

Video Source: Felicity Solar Distributor — page
Thank to them for sharing this safety reminder.

25/07/2026

ELECTRICAL FIRE ALERT — Important Safety Notice

This post highlights a real electrical fire incident and serves as a strong reminder of the dangers associated with improper wiring, overloading and poor installation practices in inverter and solar systems.

What Caused the fire in the video is likely one or more of the following:
Overloaded Cable: carrying more current than it was designed for.
Loose Electrical Connections: causing sparks and heat buildup.
Undersized Wiring: overheating under heavy load.
Poor Installation Practices: leading to short circuits.
Short Circuit Fault: rapid overheating and ignition.

Always source for the services of a qualified technician, because proper installation and correct cable sizing are essential for PV systems safety.

Video Source Acknowledgment: Felicity Solar Distributor — page
Full credit to them for sharing this important safety awareness content.

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