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-60%

100A Four-Wire Battery Test Stand, 18650 21700 Internal Resistance Tester Bakelite-A79M

🏷️ NONE🏬 Sold by SyncHome Appliance Store
€12.65€31.63Économisez 60%
🚚 Shipping to Israel: €0.40 · 9–16 jours (en direct d’AliExpress)

Get the most out of your batteries with this high-performance test stand for 18650 and 21700 cells. Perfect for tech enthusiasts and professionals, it provides accurate four-wire testing for capacity and internal resistance. Ensure your power projects always run smoothly.

🛒 Acheter maintenant sur AliExpress → 📋 Caractéristiques complètes, tailles, matériaux et description détaillée — sur la page produit AliExpress → 💬 Partager ce bon plan
🌍 Ships worldwide via AliExpress with a tracking number. Any local import taxes (if any) are set by your country's customs, not by InstaShop.
💡 Pourquoi acheter · Analyse InstaShop
  • ✅ High current capacity up to 100A
  • ✅ Four-wire Kelvin sensing for accuracy
  • ✅ Fits 18650 and 21700 battery cells
👤 Idéal pour : Ideal for professionals performing high-load capacity and internal resistance testing on cylindrical lithium cells.
🔎 À vérifier avant d'acheter : Verify that your external testing equipment is compatible with 100A current loads.
💰 Le prix est-il bon ? Strong deal — 60% below the listed reference price.
🚚 Livraison internationale — généralement 2 à 4 semaines avec numéro de suivi. Certains vendeurs proposent une livraison rapide payante.
Qualité et confiance — noté —/5 sur la base de 0 achats réels, un signal de satisfaction authentique.
🔒 Paiement sécurisé — le paiement et l'achat se font sur AliExpress avec Protection des acheteurs et remboursement si l'article n'arrive jamais / n'est pas conforme.
💡 Avant d'acheter — sur la page produit, vérifiez les avis avec de vraies photos, le délai de livraison vers votre pays et les tailles/spécifications le cas échéant.
InstaShop est un catalogue qui renvoie vers AliExpress. L'achat, la livraison et la garantie relèvent uniquement du vendeur AliExpress ; certains liens sont des liens d'affiliation (le prix pour vous ne change pas). Conditions d'utilisation

🔍 Analyse approfondie

This professional-grade battery testing stand is designed for users who need more than a simple charger. It functions as a comprehensive diagnostic tool, capable of measuring charging capacity, discharge rates, and internal resistance. While many standard chargers provide basic status updates, this unit is positioned as a specialized station for analyzing cell health and performance. Its physical layout suggests a more robust interface than consumer-level devices, making it suitable for those who work with various rechargeable cells frequently.

However, potential buyers should note that this specific listing currently lacks a history of orders and buyer ratings. While the current discount is substantial compared to the original listed price, the absence of community feedback means you are relying entirely on the seller's description. It appears to be a high-functionality device at a competitive entry point, but it requires a 'pioneer' mindset since the long-term reliability and accuracy haven't been verified by other users yet.

✅ Avantages

  • Multifunctional design that combines charging, discharging, and resistance testing in one station.
  • High value-to-feature ratio given the current deep discount from the original list price.
  • Professional-style interface that allows for more detailed monitoring than standard plug-and-play chargers.

⚠️ Attention

  • Zero order history or buyer reviews make it difficult to verify the accuracy of the sensors.
  • Lack of detailed technical specifications regarding cooling and maximum wattage in the primary listing.

Who it's for: This device is ideal for DIY electronics hobbyists, RC enthusiasts, or anyone rebuilding battery packs for power tools and e-bikes. It is specifically for people who need to match cells based on internal resistance and actual discharge capacity.

Who should skip it: This is not for the casual home user who simply needs to juice up some AA batteries for a remote. It is likely too complex for those without a basic understanding of battery chemistry and safety.

🔎 Check before you buy

  • Verify the maximum discharge current and voltage range with the seller to ensure it fits your specific cells.
  • Ask if the unit requires an external power supply or if one is included in the package.
  • Confirm which battery chemistries (Li-ion, NiMH, LiFePO4) are natively supported by the firmware.
  • Request the physical dimensions of the battery slots to ensure compatibility with larger cells like 21700 or 26650.
💰 Value verdict: At the current price point, this tester offers a lot of potential utility for the cost. The discount is significant, making it an affordable way to get professional-style diagnostic features. However, the lack of social proof means the buyer assumes some risk regarding build quality and precision.

💡 Conseils

  • Message the seller to ask for a digital copy of the user manual before purchasing to understand the interface.
  • When first using the device, test it with an old, known cell to verify that the readings are consistent.
  • Always monitor the unit during high-current discharge cycles to ensure the heat dissipation is working correctly.

Questions about this product

Can this device test the internal resistance of any battery?
It is designed for common rechargeable cells; however, you should confirm with the seller which specific sizes and chemistries the internal resistance feature supports.
Does this unit connect to a PC for data logging?
The listing does not specify PC connectivity. You should verify with the seller if there is a USB data port or if results are only shown on the built-in display.
Is the power cable included?
Packaging details are not provided. It is important to ask the seller if it comes with a power adapter and which plug type is provided.

❓ Questions & réponses

Does it ship to my country?
Yes. The item ships worldwide via AliExpress, usually within 2–4 weeks, with a tracking number.
Are there customs or taxes?
Import duty/VAT depends on your country's rules and the order value. Any local charges are set by your customs authority, not by InstaShop.
How do I return an item if something is wrong?
Purchases are made on AliExpress with Buyer Protection — you can open a dispute and get a refund if the item never arrives or is not as described, typically within 15 days of delivery.
Is the price final?
The price shown is the product price on AliExpress. Shipping and any local import taxes (if applicable in your country) are separate.

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