Everybody wants to get the best product without spending much cash. If you are looking for top quality best mr heater big buddy batteries then read the detailed reviews on the top 10 mr heater big buddy batteries before purchasing any product.
We have spent around 30 hours to find the right option for you and based on our research Mr. Heater Optional 6Volt Power Adapter for Big Buddy Heater is our top pick for you. This is one of the best products currently available in demand. However, if you don’t want to spend extra then we have another vast option for you is Mr. Heater F274830 MH18BRV Big Buddy Grey Indoor-Safe Portable RV Propane Heater (4,000 , 9,000 and 18,000 BTU). Below is a review of some of the best mr heater big buddy batteries, together with their features and functions.
There are different types of mr heater big buddy batteries available in the market which I’m going to discuss in this article below! before that let’s have a quick glimpse of the best mr heater big buddy batteries.
Best mr heater big buddy batteries

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Mr. Heater F232000 MH9BX Buddy 4,000-9,000-BTU Indoor-Safe Portable Propane Radiant Heater, Red-Black
Features
- Emits 4,000 or 9,000 BTU/hr radiant heat
- Designed and approved for indoor and outdoor use
- Heats up to approximately 225 square feet
- Features emergency low oxygen safety system
- 2 temperature settings: low and high
Mr. Heater F215100 MH4B Little Buddy 3800-BTU Indoor Safe Propane Heater, Medium
Features
- 3800 BTU PER HR & COVERAGE: This propane radiant heater delivers 3,800 BTU with a 45° heating angle, ideal for small spaces like tents up to 95 sq. ft. Works efficiently at elevations up to 7,000 feet, ensuring warmth in enclosed areas
- SAFETY FIRST WITH THIS INDOOR CORDLESS HEATER: Featuring an automatic low oxygen shut-off system (ODS), patented cross thread protection system and accidental tip-over safety shut-off for reliable protection in enclosed spaces.
- PORTABLE HEATER W/ SIMPLE ON/OFF BUTTONS & RUNTIME: This portable propane heater is simple to operate, with a run time of 5.6 hours at max BTU on a 1-pound cylinder (not included).
- QUIET, CLEAN, ODOR-FREE INDOOR & OUTDOOR HEATER: Delivers quiet, clean, odor-free operation making it the ideal camper or tent heater for emergency heat, or use on job sites, patios, picnics, and other outdoor activities.
- USAGE NOTE: Not for use with golf carts or motorized vehicles. Unauthorized accessories or attachments for the propane indoor heater are prohibited and may lead to serious injury and void the warranty
Mr. Heater MH12B Hunting Buddy Portable Space Heater
Features
- HUNTING & CAMPING HEATER: Delivers 12,000 BTU per hour, efficiently warming spaces like campsites, deer stands, hunting blinds, and RVs up to 300 sq. ft. & operates safely at elevations up to 7,000 ft.
- RELIABLE SAFE HEAT: Equipped with a low oxygen shut-off system (ODS) and tip-over safety shut-off for safe operation, this small propane heater is perfect for indoor and outdoor use, ideal for cabins, patios, tailgating, and more
- VARIABLE TANK OPTIONS: The Hunting Buddy heater is equipped with a swivel regulator which allows you to adapt from disposable cylinders to a remote gas supply with the purchase of a hose and filter (sold separately)
- ADJUSTABLE HEAT SETTINGS: Light the propane space heater by pushing and rotating the knob and once lit, it offers Hi-Low heat options, ranging from 6,000 to 12,000 BTU, letting you control the warmth to fit your needs
- USAGE NOTE: Using unauthorized accessories or attachments with this portable heater is strictly prohibited; it may cause serious injury, affect radiant heat performance, and void the warranty; always use approved components for safe operation
Mr. Heater F274830 MH18BRV Big Buddy Grey Indoor-Safe Portable RV Propane Heater (4,000 , 9,000 and 18,000 BTU)
Features
- Heat your camper, cabin, porch, picnic area, garage, barn, shed, hunting blind, and more by choosing from high, medium, and low heat settings for custom warmth
- Gives off 4,000, 9,000, or 18,000 BTU per hour with a heat range of 450 square feet; For use with propane gas integrating a 1-pound LP cylinder or 20-pound cylinder with hose (not included)
- Single control start knob for easy use with a piezo sparking mechanism for reliability and an Automatic Oxygen Depletion Sensor (ODS) safety shutoff in case of an accidental tip over for added safety
- Connects to 1-pound propane tanks with swivel regulators, allowing you to go from using disposable cylinders to a remote gas supply; Hose, filter, batteries, and propane are not included
- Comes with an easy-grip handle and heavy-duty safety wire guard for added tile protection and rugged durability while traveling and runs up to 3.6 hours on low and 1.8 hours on high
Mr. Heater Optional 6Volt Power Adapter for Big Buddy Heater
Features
- Plug into any standard 100V outlet
- Alternate power source in lieu of D-size batteries
- Simple and easy to use
- 6v/800mA power adapter
- 1-year limited warranty
Mr. Heater Corporation MH18B Portable Propane Heater, Red
Features
- Emits 4,000, 9,000 or 18,000 BTU/hr radiant heat
- Designed and approved for indoor and outdoor use
- Heats up to approximately 400 square feet
- 3 temperature settings: low, medium, and high
- Runs 10.8 hours on low / 4.8 hours on medium / 2.4 hours on high
Mr. Heater Hero 35000BTU Cordless Propane Heater
Mr. Heater MH4B-Massachusetts/Canada Portable LP Heater
Features
- 3, 800 BTU's per hour. THIS UNIT IS NOT INTENDED FOR GOLF CART USE OR FOR MOTORIZED VEHICLES.
- Accidental tip-over safety shutoff
- Automatic low oxygen shutoff system
- Certified Outdoor Use Only - Canada & Massachusetts approved
- For use with propane gas & heats up to 95sq ft.
Mr. Heater MH9BX-Massachusetts/Canada approved portable Propane Heater
Features
- 4,000- to 9,000-BTU radiant heater for spaces up to 225 square feet. Approved for outdoor use; clean-burning; nearly 100-percent efficient
- When operating the heater at altitudes over 7,000 FT above sea level the heater may shut off.
- Auto shut-off if tipped over, if pilot light goes out, or if detects low oxygen levels
- Fold-down handle; swivel-out regulator; connects to propane tank (not included). Run Time (Hrs at Min BTU) - 5.6 Hours
- THE USE OF UN-AUTHORIZED ACCESSORIES/ATTACHMENTS WITH THIS HEATER ARE EXPRESSLY PROHIBITED, MAY CAUSE SERIOUS INJURY, AND WILL VOID THE WARRANTY.
Mr. Heater Big Buddy Indoor/Outdoor Portable Propane Heater
Features
- Convenience and Performance: Stay warm and toasty wherever you go with the Mr. Heater Big Buddy Portable Heater! Designed for convenience and performance, the Big Buddy Portable Buddy is indoor safe and heats spaces ranging from your homes garage to a large camping tent
- BTU Output: Utilizing propane gas and featuring an impressive 4,000, 9,000 or 18,000 BTUs of heat output, the Big Buddy Portable Heater is capable of heating up to 450 square feet of enclosed space
- Effortless Use: In addition to its impressive technical capacity, the Big Buddy Portable Heater features a variety of elements that enable effortless use and maximum performance. With its easy-start four-position control, fold-down handle, swivel-out fuel connection and a large overall heating surface, this unit raises the bar when it comes to portability and distinction in heating
- Safe Heating: The Big Buddy Portable Heater is built for safety and features an Oxygen Depletion Sensor (ODS) and tip-over detection system which accounts for low oxygen or accidental falls and automatically turns off the unit, ensuring safety and ease of use for a long time to come
- Includes USA Manufacturer Warranty
In this article, we have reviewed the best mr heater big buddy batteries for our readers. We hope you get the perfect mr heater big buddy batteries from our above list. If you didn’t find your desired one then check out Mr. Heater MH12B Hunting Buddy Portable Space Heater is one of the most valuable items in the market.
















