SKU: 36735421190

MidNite Solar Whiz Bang Jr Current Sense Module - MNWBJR

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Description

MidNite Solar Whiz Bang Jr Current Sense Module - MNWBJRThe Whiz Bang Jr. is a current sense module that attaches to a standard 50mV 500A shunt (MNShunt) and wires into MidNite Solar Classic and KID charge controllers to provide precise amperage readings. This enables EndAmps functionality based on system amps or Classic amps, allowing for more accurate battery charging and state of charge monitoring. Made in the USA. Key Features & Benefits Precise Current Sensing: Attaches to a standard 50mV 500A shunt

The Whiz Bang Jr. is a current sense module that attaches to a standard 50mV / 500A shunt (MNShunt) and wires into MidNite Solar Classic and KID charge controllers to provide precise amperage readings. This enables EndAmps functionality based on system amps or Classic amps, allowing for more accurate battery charging and state of charge monitoring. Made in the USA.

Key Features & Benefits

Precise Current Sensing: Attaches to a standard 50mV / 500A shunt to provide highly accurate battery current readings to your MidNite charge controller.

Enables EndAmps Functionality: Allows the Classic or KID to end Absorb charging based on battery current falling below a programmable threshold, preventing overcharging or undercharging.

State of Charge Monitoring: Provides real-time SOC%, remaining amp-hours, net amp-hours, and battery temperature data on the controller's display.

Temperature Compensated Capacity: Automatically adjusts battery capacity based on temperature for more accurate SOC readings in varying climates.

Compatible with Classic and KID: Works with MidNite Solar Classic and KID series charge controllers (Classic Lite requires Local App or MNGP for setup).

Low-Side Shunt Measurement: Designed for safe low-side measurement on the battery-negative side of the shunt.

LED Status Indicator: Built-in LED provides visual confirmation of proper operation.

Type 1 Environmental Rating: Suitable for indoor installation.

5-Year Warranty: Backed by a 5-year warranty.

Made in the USA: Designed and manufactured in Arlington, Washington.

Technical Specifications

Specification Detail
Manufacturer MidNite Solar
Model MNWBJR
Compatibility MidNite Solar Classic and KID charge controllers
Shunt Required Standard 50mV / 500A shunt (MNShunt or equivalent)
Measurement Type Low-side (battery-negative)
Connection Single 22AWG purple wire to AUX2+ (Classic) or WBJr AUX port (KID)
Environmental Rating Type 1
Warranty 5 Years
Made in USA Yes

Included Hardware

Item Quantity
1/8" aluminum spacers 2
1/4" aluminum spacers 2
3/4" #8-32 stainless steel screws 2

Note: Shunt and #8 ring terminals for 3rd party connections are not included.

Product Documents

Installation Manual: Download PDF

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 36735421190

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4.4 ★★★★★
Based on 13 reviews
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Anonymous
Belleville, US
★★★★★ 5
Thoughtful Gift Basket with a Warm Presentation
Color: sunflower
This gift basket makes a very nice first impression because it feels warm, cheerful, and clearly designed to lift someone’s mood. The sunflower theme gives it a bright and encouraging feel, which works especially well for a care package, birthday gift, or thinking-of-you present. I like that it looks coordinated rather than random, since baskets like this can sometimes feel like a collection of unrelated filler items. This one has a more intentional presentation, which makes it feel more thoughtful, which is especially important if you're on a time crunch or for whatever reason are unable to individually assemble a basket yourself. What stands out most is that it works well for several different situations. It could fit a birthday, a get well gift, a sympathy gesture, or simply something supportive for a friend or family member going through a hard time. That flexibility makes it useful when I want to send something comforting without overcomplicating the choice. The presentation matters a lot with a gift basket, and this one has the kind of appearance that already feels ready to give without needing extra work. Overall, this is the kind of gift that feels more about comfort and presentation than just the individual items inside. It gives a kind, supportive impression and looks nice enough to make someone feel remembered. For a self-care themed gift basket, it does a good job of feeling sweet, uplifting, and appropriate for a wide range of occasions.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
C
Customer Review
Phoenix, US
★★★★★ 4
Perfect Gift for Any Occasion
Color: sunflower
I recently purchased the Self Care Gifts for Women Birthday Gift Basket, and I could not be happier with my decision! The packaging alone was cheerful and inviting, almost like a little box of sunshine. It’s clear that a lot of thought went into curating this basket, especially with the lovely sunflower theme that instantly brightens your day. Inside, I found a wonderful assortment of spa goodies—think soothing bath bombs, delightful candles, and soft skincare products. Each item feels like a warm hug, perfect for someone who needs a little pampering or encouragement, whether it’s for a birthday, a "get well soon" gesture, or just to remind a friend you’re thinking of them. I gifted this to my best friend who was going through a tough time, and she absolutely adored it. It put a smile on her face and truly lifted her spirits. The quality of the items is impressive; they feel luxurious and well-made. If you’re looking for a thoughtful, heartfelt gift that says “you matter” without being overly flashy, this gift basket hits the mark. It’s perfect for anyone who could use a moment of self-care, and I would definitely recommend it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
F
Verified Purchase
Frani P.
Carnegie, US
★★★★★ 5
Great wine/Red Furry Soft Throw Blanket, it’s GREAT!
Color: Wine Red, Size: Throw(50"x60")
Bought this Wine (Red) Throw Furry Blanket for my Grandson. He loves it, I love it, his Mom and Dad love it. It washes beautifully, it doesn’t shed, it’s thick, soft, just beautiful. It’s the perfect Soft Furry Throw Blanket and it keeps him warm and happy. Would I buy it again? Absolutely, again and again!
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Reviewed in the United States on April 19, 2026
D
Verified Purchase
Debbie Grant
Draper, US
★★★★★ 5
Super soft blanket!
Color: Frosty Purple, Size: Twin(60"x80")
Absolutely love this blanket! It’s super soft and so fluffy! It looks amazing on my bed. Love the color too. I got purple and it looks so soft and warming! My grandchildren love it too!!
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Reviewed in the United States on April 26, 2026
A
Verified Purchase
Acs
Alexandria, US
★★★★★ 5
Super soft and cozy!
Color: Pink, Size: Twin(60"x80")
Love it! Super soft, perfect weight. I bought the pink/dusty rose color and it’s beautiful. I washed it once and did held up and didn’t shed. I will update my review if it starts to fall apart, but so far, very happy with my purchase. The throw blanket seems to be good quality, great price… did I mention I love it?
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 14, 2025

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