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USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
For Your Every Summer RSVP, with Code: SUMMER15
Description
OPUS BT-C3100 Smart Smart Digital Intelligent 4-Slot Battery Charger, EU Plug, US Plug, UK Plug1. Four independent charging channels: With independent charging control chip, precise control of the charging situation of each charging slot, the working power of the charger is 12V 3A, and a dedicated DC switching power supply is used 2. There are four levels of charging current available for selection, 200 300 500 700 1000mA, among which, if there is only 1, 4 channels with batteries, the current levels are: 200 300 500 700 1000 1500 2000mA, the
1. Four independent charging channels: With independent charging control chip, precise control of the charging situation of each charging slot, the working power of the charger is 12V-3A, and a dedicated DC switching power supply is used
2. There are four levels of charging current available for selection, 200/300/500/700/1000mA, among which, if there is only 1, 4 channels with batteries, the current levels are: 200/300/500/700/1000 / 1500/2000mA, the discharge battery can be set to 200/300/500/700/1000mA
3. The discharging mode does not switch to charging, and the battery discharge capacity is displayed. In charging mode, the 4.21V charger is judged to be fully charged
4. LCD screen: Can display the real-time charge/discharge capacity, voltage, current, and time of the 4 channels of batteries
5. Four working modes: Charge, discharge, repair and capacity test and battery internal resistance test
6. Applicable battery type: Lithium battery, model: 10440, 14500, 16340, 18500, 18650, 26650, 26500; Ni-MH battery, model: AA, AAA, C, D
7. Working temperature: 0 to 40 degrees celsius
8. Note: The product does not contain batteries
Function button:
1. MODE operating mode selection button
2. DISPLAY display mode button
3. CURRENT current adjustment button
4. SLOT, can individually adjust the working mode of each channel
The specific operation method of the charger:
1. Long press MODE for 2 seconds to enter the working mode to select, and then press this key to have four working modes to choose from, namely charge, discharge, repair capacity test and battery internal resistance test
2. Press DISPLAY to display the charge current, battery voltage, battery power, and battery charge and discharge time respectively.
3. When power on, the charger defaults to the charging mode and the charging current is 500mA
4. When powering on, press CURRENT to adjust the current. When entering work, if you want to adjust the current again, you need to switch the working mode to press this key to be effective. The charge and discharge current can be adjusted.
5. Press SLOT to adjust the working mode of each channel individually
6. When the temperature of the battery exceeds 40 degrees when the battery is charged or the temperature of the PCB board exceeds 40 degrees, the fan will start to rotate.
7. Select the capacity test working mode, the current can be the same as charging
Specification:
| Package Weight |
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 703 reviews
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Product Reviews
★★★★★ 5
Great Kit for ATV's
Great so far, bought to keep in our Four Wheeler in case of flat on the trail.
Pump is great for ATV Purposes not sure about cars and trucks etc.
Ran all 4 tires up to 8 psi from 6 psi in just a few minutes,so it does work great for lower psi use.
Tools are built well and plenty of plugs and other items are provided.
All fits well in supplied case in the back storage of my 2025 Cforce 600 Touring just for reference.
Overall great value for what is included for that time when you need it.
Must have for ATV's!
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Reviewed in the United States on November 12, 2025
★★★★★ 5
Good tire kit
Just what I needed for the sxs
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Reviewed in the United States on May 31, 2026
★★★★★ 4
Good little pump
Works better than expected.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Should have bought this years ago!!!
I live at the end of 25 minutes dirt road top of red Mountain, Co. On the 3rd flat in 2 weeks I ordered this kit instead of putting a spare on and driving to town 1 hour away. and knock on wood its has held going on 3 weeks. I jacked up the car, followed the instruction and wow easier then going to Big-O. Love it and told my Kids they need to get it also.
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Reviewed in the United States on April 30, 2026
★★★★★ 5
A Must-Have Emergency Kit for Every Vehicle, Especially ATVs!
I recently bought this 54PCS Flat Tire Repair Kit with Air Compressor, and I’m seriously impressed. It’s one of those products you hope you won’t need—but are SO glad to have when the time comes. I used it on my ATV after catching a sharp rock on the trail, and it saved the day. The plug worked perfectly, and the air compressor had my tire reinflated in just a few minutes.
What I really love is how complete the kit is. From cars and motorcycles to trucks and tractors, it’s got everything you need to handle a flat. The tools are solid and durable, and the case keeps everything neatly organized. It’s compact enough to toss in the back of my truck or ATV storage box without taking up too much space.
If you ride ATVs in remote areas like I do, this kit is a no-brainer. It gives you peace of mind and saves you from having to hike back to civilization. Highly recommended!
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Reviewed in the United States on April 15, 2025
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