Industrial Lithium Energy Storage System – SRNE Ket-A series

Price range: 6,500,000 CFA through 17,500,000 CFA

The SRNE Ket-A Series is the specialized “Compact Industrial” lineup within the SRNE high-voltage battery family. While the Ket-B and Ket-C series focus on heavy industrial loads, the Ket-A series is engineered for medium-to-large residential estates and small commercial enterprises that require the efficiency of a high-voltage system but in a more compact, 100Ah footprint.

The series is built around a 19-inch rack-mount architecture, utilizing the SR-HOC05B (100Ah) lithium battery modules and the SR-PDU100 control unit to create scalable energy reservoirs ranging from 20.5 kWh to 61.4 kWh. choose a capacity below to see more and specific prices

Warranty

This Warranty Assurance Coverage Covers logistics and immediate replacement during the warranty period.

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Description

Series Architecture & Scalability

The Ket-A series scales by adding 100Ah modules in series, which increases both the total energy storage and the system voltage. This high-voltage approach allows the system to pair perfectly with modern three-phase hybrid inverters, reducing energy conversion losses.


Core Technical Features

  • Premium LFP Chemistry: Uses high-safety Lithium Iron Phosphate (LiFePO4) cells, providing a long cycle life of $\ge 6,000$ cycles (@25°C, 0.5C discharge).

  • Triple Protection Safety: The system is governed by a redundant safety design featuring a Positive Relay, Negative Relay, and a physical 100A DC Breaker for complete mechanical isolation during faults.

  • Intelligent BMS (PDU100): The cluster control box manages cell balancing, over-charge/discharge protection, and temperature monitoring. It includes a 4.3-inch touch LCD for local diagnostics.

  • Remote Smart Monitoring: Equipped with integrated WiFi and Bluetooth, the system connects to the Tuya Cloud platform, allowing business owners to monitor energy levels and system health via a smartphone.

  • High Efficiency: By operating at voltages up to 614V, the system minimizes heat loss in cables and matches the internal DC bus of high-performance industrial inverters.

Ideal Applications in Cameroon

The Ket-A series is specifically suited for the electrical landscape of Cameroon (Douala, Yaoundé, Bamenda) where space-efficient but high-capacity backup is needed for:

  • Healthcare: Powering small clinics, dental offices, and pharmacies (refrigeration for vaccines).

  • Professional Services: Providing 8-12 hours of backup for law firms, accounting offices, and server rooms.

  • Retail: Supporting boutique hotels and medium-sized supermarkets with critical lighting and POS systems.

  • Luxury Residential: Offering seamless backup for large 5+ bedroom villas with multiple air conditioning units.

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

  • Stock Status: Not all products listed on this website are currently held in our immediate physical stock.

  • Regional Availability: Certain items may only be available through specific partner suppliers located in Douala and/or Yaoundé.

  • Rare Items & Pre-orders: Rare or highly specialized components may only be available via pre-order from China.

  • 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

  • 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.

  • 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

  • Authorship: All product descriptions on this website were professionally crafted by Engr. NJIO CYRIN TAMFU.

  • 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

  • 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.

  • 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:

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:

  • 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.

  • 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.

  • 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.

  • 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

  • Original Condition: The warranty (and this assurance) only applies to items that have failed due to manufacturing defects under normal use.

  • 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.

  • 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:


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

  • Customer Name: ________________________________________________

  • Installation Address: __________________________________________

  • 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:

  • Logistics & Transport: We cover the cost and effort of moving damaged units to and from regional service centers (Douala/Yaoundé).

  • Technical Advocacy: Immediate processing of claims with the manufacturer to ensure the fastest possible replacement or repair.

  • System Continuity: Priority access to temporary replacement units (subject to availability) to minimize power downtime.

4. TERMS & CONDITIONS

  • Coverage Activation: This certificate is only valid if the 5% Assurance Fee has been paid in full at the time of purchase.

  • Standard Exclusions: Coverage does not apply to damage caused by:

    1. Lightning strikes (where appropriate Surge Protection Devices were not installed).

    2. Physical abuse, water damage (non-IP65 units), or unauthorized tampering.

    3. Installation by non-certified technicians.

  • 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 |


Additional information

CAPACITY

20.5kwh 204V (4), 30.7kwh 307V (6), 41kwh 409V (8), 51.2kwh 512V (10), 61.4kwh 614V (12)

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