1.8kva/1.2kwh/400Wp Mini Backup System – TMSL1812-CE-II
400,000 CFA
✅ Supported Appliances:
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Lighting: Up to 6 LED Bulbs (9W – 15W each).
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Entertainment: 1 Smart LED TV (32″ to 55″).
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Connectivity: WiFi Router / Decoder / Starlink.
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Charging: Multiple Smartphones and 1-2 Laptops.
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Small Fans: 1 Standing Fan.
❌ NOT Supported (Do Not Use):
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Refrigerators or Freezers (The inverter can run them, but the battery will die in <1 hour).
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Electric Irons, Kettles, Microwaves, or Hotplates.
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Air Conditioners.
For the full description of this plan, scroll down and click on “Full Details”
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Description
Here is the detailed breakdown for the 1.5KW Mini Backup Solar Package priced at 400,000 XAF.
This entry-level plan is designed as a “Starter Backup“ system. It is excellent for handling essential lighting and entertainment during power outages but is not designed for heavy appliances like refrigerators or irons.
1. Technical Specifications
🔋 Inverter: Cworth Energy 1.8KVA Hybrid Inverter
This is the brain of the system. While labeled “1.8KVA”, its real-world power rating is 1500 Watts.
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Model: CE-H1.8K (12V Version) (view product)
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Continuous Power: 1500W (1.5kW)
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Type: Pure Sine Wave (Safe for sensitive electronics like Smart TVs and Laptops; won’t cause “humming” in fans).
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System Voltage: 12V DC
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Solar Controller: Built-in MPPT (Maximum Power Point Tracking), which is more efficient than older PWM controllers, allowing you to harvest ~20-30% more energy from the sun.
⚡ Battery: Cworth Energy 12V 100Ah Gel
This is the energy storage tank.
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Type: Gel Sealed Lead Acid (Maintenance-free, no water topping needed).
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Total Capacity: 1200 Watt-hours (1.2kWh).
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Usable Capacity: ~600 Watt-hours. (view product)
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Note: Unlike the Lithium batteries in the more expensive plans, Gel batteries should ideally not be drained below 50% to ensure they last for years. Using more than 600Wh regularly will shorten the battery’s lifespan.
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☀️ Solar Panels: 2x 200W Monocrystalline
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Total Solar Input: 400 Watts. (2x 200W) (view product)
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Performance: These panels can generate roughly 1600Wh to 2000Wh of electricity per day.
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Recharge Speed: The system can recharge the battery very quickly (in about 3-4 hours of bright sun).
2. What Can It Power?
The system is rated for 1500W, but the battery size limits how long you can run things.
✅ Supported Appliances:
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Lighting: Up to 6 LED Bulbs (9W – 15W each).
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Entertainment: 1 Smart LED TV (32″ to 55″).
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Connectivity: WiFi Router / Decoder (Canal+).
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Charging: Multiple Smartphones and 1-2 Laptops.
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Small Fans: 1 Standing Fan (DC or AC).
❌ NOT Supported (Do Not Use):
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Refrigerators or Freezers (The inverter can run them, but the battery will die in <1 hour).
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Electric Irons, Kettles, Microwaves, or Hotplates.
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Air Conditioners.
3. Expected Usage Time (Scenarios)
Here is how long the system will last in different real-world situations, assuming the battery starts at 100% charge.
Scenario A: “The Blackout Night” (Heavy Usage)
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Appliances On: 4 LED Lights + 1 Smart TV (43″) + Decoder + Phone charging.
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Total Load: ~100 Watts.
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Estimated Runtime: 5 to 6 Hours.
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This covers the prime time evening hours (e.g., 6 PM to 11 PM).
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Scenario B: “Work From Home” (Daytime)
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Appliances On: Laptop + WiFi Router + 1 Fan + 1 Light.
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Total Load: ~120 Watts.
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Estimated Runtime: Continuous / Unlimited (while the sun is shining).
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Because the solar panels produce ~300-400W in the sun, they cover this load entirely while simultaneously charging the battery.
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Scenario C: “Economy Mode” (Late Night)
Appliances On: 2 LED Lights + Phone charging (TV is off).
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Total Load: ~25 Watts.
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Estimated Runtime: 20+ Hours.
4. Critical Advice for This Plan
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Why it says “Limited Time”: The text in the plan includes a “Limited time” warning because of the Gel Battery. If you drain this battery to 0% every night, it may fail within 1-2 years. If you manage your load (turn off the TV when not watching), it can last 3+ years.
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Upgrade Path: Since the inverter is 1.5KW, you can easily add a second battery later to double your nighttime capacity without changing the rest of the system.
Here is the direct comparison between the Starter Plan (400k) and the Standard Plan (750k).
1. At a Glance: The “Engine” Difference
| Feature | Starter Plan (400,000 XAF) | Standard Plan (750,000 XAF) |
| Battery Tech | Gel (Old Technology) | Lithium Iron Phosphate (Modern) |
| Total Capacity | 1.2 kWh | 2.56 kWh (Double the size) |
| Usable Power | ~600 Watt-hours (50% usage*) | ~2,300 Watt-hours (90% usage) |
| Lifespan | 2–3 Years (600 Cycles) | 10–15 Years (6,000 Cycles) |
| Fridge Support | ❌ NO | ✅ YES (Small/Medium Fridge) |
| Solar Panels | 400 Watts | 600 – 1,000 Watts (Likely 2-3x panels) |
Note on “Usable Power”: You can only use 50% of a Gel battery safely. If you use more, it dies in months. You can safely use 90% of a Lithium battery every single day for a decade.
2. What the 750,000 XAF Plan Adds
Based on the shift to Lithium and higher cost, this plan upgrades you to a high-capacity 12V 200Ah Lithium).
✅ The “Fridge” Factor
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400k Plan: Cannot run a fridge. The compressor startup surge will drop the Gel battery voltage, likely tripping the inverter or damaging the battery immediately.
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750k Plan: Can run a standard small-to-medium fridge-freezer (100L–200L) 24/7, provided you have good sun during the day.
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Why? Lithium batteries maintain stable high voltage even when a heavy appliance (like a fridge motor) kicks in.
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✅ The “Fade” Factor
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400k Plan: By Year 2, your lights might start dimming earlier in the night as the Gel battery degrades.
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750k Plan: In Year 5, the system will perform almost exactly as it did on Day 1.
3. Scenario Comparison: “The Blackout Night”
Imagine power goes out at 6 PM and doesn’t come back until the next morning.
Your Load: 5 Lights, 1 Big TV, 2 Fans, Phones, and 1 Fridge.
With the 400,000 XAF Plan:
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6:00 PM: Power goes out. You MUST unplug the fridge immediately.
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6:30 PM: You watch TV and run fans.
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10:00 PM: You must turn off the TV to save power for lights/fans overnight.
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Midnight: Battery is getting low (<50%).
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Result: You survived the night, but with “energy anxiety.”
With the 750,000 XAF Plan:
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6:00 PM: Power goes out. You leave the Fridge RUNNING.
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6:30 PM: You watch TV, run fans, maybe charge a laptop.
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Midnight: You go to sleep. Fridge is still cold. Fans run all night.
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6:00 AM: Sun comes up. Battery still has ~20% charge left.
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Result: You lived a normal life.
4. Cost Analysis (The “Hidden” Price)
The 400k plan looks cheaper today, but let’s look at 6 years from now.
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Plan A (400k Gel): You pay 400,000 now. In year 3, the battery dies. You pay ~80,000 for a new battery. In year 6, it dies again. Another ~80,000.
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Total 6-Year Cost: ~560,000+ XAF (and you never powered a fridge).
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Plan B (750k Lithium): You pay 750,000 now. In year 6, the battery is still perfect.
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Total 6-Year Cost: 750,000 XAF (and you enjoyed a fridge the whole time).
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Recommendation
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Choose the 400,000 XAF Plan IF: You are on a strict budget right now, and you only need lights/TV/Phone charging. You accept that you will need to replace the battery in a few years.
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Choose the 750,000 XAF Plan IF: You want to power a Fridge, you want “peace of mind” reliability for 10+ years, and you have the cash flow today. It is essentially cheaper per day over the long run.
Does the 750k plan sound like the better investment for you, or is the budget limit strict at 400k? contact us to place your order
Summary Comparison: Why pay the extra 60,000 XAF?
If you are debating between the 400k and 460k plans, here is the math:
| Feature | 400,000 XAF Plan | 460,000 XAF Plan (Recommended) |
| Battery Tech | Gel (Old Tech) | Lithium (New Tech) |
| Real Usage | ~600Wh (50% depth) | ~1200Wh (95% depth) |
| Battery Life | 2-3 Years | 10+ Years |
| Solar Power | 400 Watts | 600 Watts (+50% Power) |
| Value | Good Starter | Excellent Long-Term Investment |
Recommendation:
Unless you literally cannot find the extra 60,000 XAF, buy this 460,000 XAF plan instead of the 400,000 XAF plan. You get double the usable power and 5x the lifespan for a 15% price difference.
Credits: This Plan was designed by Engr Cyrin Tamfu
Important Disclaimer & Terms of Purchase
Thank you for visiting tamsolec.com. To ensure transparency and provide you with the best service, please read the following terms and conditions regarding our product listings, pricing, and availability.
1. Product Availability
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Stock Status: Not all products listed on this website are currently held in our immediate physical stock.
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Regional Availability: Certain items may only be available through specific partner suppliers located in Douala and/or Yaoundé.
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Rare Items & Pre-orders: Rare or highly specialized components may only be available via pre-order from China.
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Verification Required: Before making any purchase, buyers must discuss with us to confirm if the product is in stock or to determine the lead time required to make it available.
2. Pricing Policy
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Price Ranges: Prices on our site are displayed as a range. The Discount Price (current price) represents the minimum estimated cost, while the Regular Price (stroked price) represents the maximum expected cost for that item.
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Price Fluctuations: Prices are not guaranteed to remain constant. They are subject to frequent changes due to variations in importation costs, customs duties, and price adjustments from our diverse network of suppliers.
3. Product Descriptions & Expertise
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Authorship: All product descriptions on this website were professionally crafted by Engr. NJIO CYRIN TAMFU.
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Sources: Information is compiled using official product/brand datasheets, direct communications from manufacturers, and technical research assisted by Google Gemini to ensure depth and accuracy.
4. Third-Party Coordination & Compatibility
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Partner Network: For products not in our immediate stock, we act as a third-party coordinator. We work with our trusted partner suppliers to facilitate your purchase.
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Our Goal: Our role in this coordination is to ensure the buyer receives fair pricing and to verify that the products strictly meet the technical requirements and compatibility of the intended system.
Contact Information
For availability checks, technical consultations, or order inquiries, please contact us directly:
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Phone/WhatsApp: +237 654 388 730 / +237 673 095 754
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Email: info@tamsolec.com
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Website: tamsolec.com
Tamsolec Warranty Assurance & Logistics Policy
At Tamsolec, we understand that a manufacturer's warranty is only as good as the support behind it. Because we operate as a bridge between international manufacturers and the local Cameroonian market, we offer an Optional Warranty Assurance Plan to give our clients total peace of mind.
1. The 5% Warranty Assurance Fee
We offer an optional Warranty Assurance Coverage at a flat rate of 5% of the total product cost.
By opting for this coverage, you are not just buying a product; you are securing a guarantee of service. This small investment ensures that Tamsolec takes full responsibility for the "logistics of replacement."
2. What This Policy Covers
When you pay the 5% Assurance Fee, Tamsolec commits to the following during the item's official warranty period:
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Active Advocacy: We act as your legal and technical representative to the manufacturer (e.g., Felicity Solar) to ensure your warranty claim is prioritized and approved.
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Logistics Management: We handle the complex process of returning a defective unit to the regional supplier (Douala/Yaoundé) or the manufacturer and securing the replacement.
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Direct Replacement: Where possible and subject to availability, we aim to provide a replacement unit from our partner network to minimize your system's downtime.
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Zero Hidden Fees: For covered claims, the 5% fee covers the administrative and local transport costs associated with the swap.
3. Why This Is Necessary
Standard manufacturer warranties often cover the parts, but they rarely cover the cost of logistics, transport, or the labor required to facilitate a swap between cities or countries.
Without this optional coverage, the buyer is responsible for transporting the damaged item to the authorized service center and following up on the weeks-long (or months-long) administrative process.
4. Terms & Exclusions
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Original Condition: The warranty (and this assurance) only applies to items that have failed due to manufacturing defects under normal use.
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Standard Exclusions: Damage caused by lightning (if no SPD was installed), physical impact, water submersion (for non-IP65 items), or unauthorized repair attempts by third-party technicians will void the warranty.
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Non-Refundable: The 5% fee is a service charge for the duration of the warranty period and is non-refundable once the product has been commissioned.
Secure Your Investment
To add this coverage to your purchase, please inform us during the discussion phase. We highly recommend this for high-value items like Lithium Batteries and Hybrid Inverters.
Contact for Warranty Claims:
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Admin: +237 654 388 730 / +237 673 095 754
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Email: warranty@tamsolec.com
CERTIFICATE OF WARRANTY ASSURANCE
Certificate No: TMSL-2025-XXXX
Issue Date: [DD/MM/YYYY]
This document certifies that the products listed below are covered under the Tamsolec Warranty Assurance Plan. By paying the optional 5% Assurance Fee, the Holder is entitled to full logistics support and guaranteed warranty follow-up as managed by Tamsolec.
1. CUSTOMER & SYSTEM DETAILS
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Customer Name: ________________________________________________
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Installation Address: __________________________________________
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Contact Number: _______________________________________________
2. COVERED EQUIPMENT
3. ASSURANCE BENEFITS
By holding this certificate, the buyer is exempted from the technical and logistical burdens of warranty claims. Tamsolec guarantees:
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Logistics & Transport: We cover the cost and effort of moving damaged units to and from regional service centers (Douala/Yaoundé).
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Technical Advocacy: Immediate processing of claims with the manufacturer to ensure the fastest possible replacement or repair.
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System Continuity: Priority access to temporary replacement units (subject to availability) to minimize power downtime.
4. TERMS & CONDITIONS
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Coverage Activation: This certificate is only valid if the 5% Assurance Fee has been paid in full at the time of purchase.
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Standard Exclusions: Coverage does not apply to damage caused by:
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Lightning strikes (where appropriate Surge Protection Devices were not installed).
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Physical abuse, water damage (non-IP65 units), or unauthorized tampering.
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Installation by non-certified technicians.
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Claim Procedure: To initiate a claim, contact the technical desk at +237 654 388 730 with your Certificate Number.
AUTHORIZED SIGNATORY
Engr. NJIO CYRIN TAMFU Technical Director, Tamsolec info@tamsolec.com |
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