--- product_id: 55917791 title: "Opus Instrument BT-C3100 4 Bay LI-IOn/Ni-Mh/Ni-Cd Professional Charger Black" brand: "opus instrument" price: "VT3962" currency: VUV in_stock: false reviews_count: 2 url: https://www.desertcart.vu/products/55917791-opus-instrument-bt-c3100-4-bay-li-ion-ni-mh store_origin: VU region: Vanuatu --- # Up to 2000mA Smart Display 4 Bay Charging Opus Instrument BT-C3100 4 Bay LI-IOn/Ni-Mh/Ni-Cd Professional Charger Black **Brand:** opus instrument **Price:** VT3962 **Availability:** ❌ Out of Stock ## Summary > 🔌 Power Up Your Productivity! ## Quick Answers - **What is this?** Opus Instrument BT-C3100 4 Bay LI-IOn/Ni-Mh/Ni-Cd Professional Charger Black by opus instrument - **How much does it cost?** VT3962 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/55917791-opus-instrument-bt-c3100-4-bay-li-ion-ni-mh) ## Best For - opus instrument enthusiasts ## Why This Product - Trusted opus instrument brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Compatibility:** Perfect for professionals needing reliable power for various battery types. - • **Charge Multiple Batteries:** Simultaneously charge NiCd, NiMH, and Li-ion batteries with ease. - • **Independent Charging Slots:** Four intelligent slots allow for independent monitoring and charging. - • **Real-Time Battery Insights:** Each bay features a display for voltage, capacity, and internal resistance. - • **Customizable Charging Currents:** Choose from 200mA to 2000mA for tailored charging needs. ## Overview The Opus Instrument BT-C3100 is a professional-grade charger designed for versatility and efficiency, capable of charging multiple battery types with customizable currents and real-time monitoring. ## Description This universal charger is an analysis Li-ion and NiMH charger. The charger can both charge and discharge. With its versatility, the gap between the simple universal Li-ion, NI/MH chargers and the much more complex and equipped with more functions "model construction chargers". The following Li-ion, NIMH and NiCd battery types can be charged: Li-ion: 10440 / 16340 / 14500 / 14650 / 16650 / 18350 / 17500 / 17670 / 18500 / 18650 / 18700 / 26500 / 26650 / 22650, 3.6V and 3.7V Li-ion batteries Ni-MH/Ni-CD: AA, AAA, A, SC, C Key features: 1. Charge and discharge of NiCd, NiMH or 3.6 V - 3.7 V lithium ion batteries 2. Optimise and determine the maximum capacity of the batteries. 3. Each charging bay has its own display to display: charging current, battery voltage, capacity, internal resistance and time. 4. Charging current is available with 200mA, 300mA, 500mA, 700mA, 1000mA (and if only slots 1 and 4 are used 1500mA and 2000mA) for each slot individually. 5. Discharge current NiMH/NiCd batteries 700mA even if 1000mA has been selected. 6. Discharge current for Li-ion batteries 200mA, 300mA, 500mA, 700mA or 1000mA. 7. 4 Intelligent independent working charging bays. 8. Charge different battery of different kinds, size or capacity at the same time. 9. Trickle trickle charge for NiMH/NiCd batteries, with Li-ion is fully terminated. 10. Temperature monitoring, with automatic switch-on fan to protect batteries and chargers from overheating. ## Features - Charges and discharges NiCd, NiMH or 3.6 V – 3.7 V lithium ion batteries - Charging current is available for each slot with 200mA, 300mA, 500mA, 700mA, 1000mA (and if only bays 1 and 4 are used, 1500mA and 2000mA). - 4 intelligent independent charging slots. - Each charging bay has its own display to display charging current, battery voltage, capacity, internal resistance, and time. ## Images ![Opus Instrument BT-C3100 4 Bay LI-IOn/Ni-Mh/Ni-Cd Professional Charger Black - Image 1](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61dUXKNRdfL.jpg) ## Customer Reviews ### ⭐ Do Not Buy... *by J***L on Reviewed in the United Kingdom 🇬🇧 on 12 June 2018* The first one I received was faulty but Amazon dealt with it perfectly.. Just be mindful that it comes with a European 2pin wall wort and No Adaptor is supplied, after I used it just once the display started loosing parts of the 7 segment display so its useless ### ⭐⭐⭐⭐⭐ Good charger *by A***A on Reviewed in the United Kingdom 🇬🇧 on 4 May 2018* Good charger, fits different battery sizes and works great shows capacity and revive some old batteries --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vu/products/55917791-opus-instrument-bt-c3100-4-bay-li-ion-ni-mh](https://www.desertcart.vu/products/55917791-opus-instrument-bt-c3100-4-bay-li-ion-ni-mh) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-07*