Perfect condition upon arrival
Key Features
- High 5000mAh Capacity: Supports longer operating times in high-demand systems.
- Extreme 60A Output: Built to handle intense power requirements with confidence.
- Efficient Power Delivery: Low impedance design minimizes energy loss and excess heat.
- Modern 21700 Cell: Delivers higher energy density than older lithium-ion formats.
- Molicel Engineering: Manufactured to strict quality standards for reliability and consistency.
Overview
The Molicel P50B is a high-performance 21700 lithium-ion battery developed for applications that demand both exceptional power and long runtime. With a 5000mAh capacity and the ability to deliver up to 60A continuous discharge, this cell is ideal for advanced electric mobility, aerospace systems, and high-power backup solutions when integrated into properly protected battery packs.
Applications / Uses
- Electric and hybrid vehicle battery systems
- Motorsports and performance electric platforms
- Drones, UAVs, and vertical take-off aircraft
- Backup battery units for data and computing systems
- Professional-grade energy storage solutions
Specifications
| Manufacturer: | Molicel |
| Model: | P50B |
| Size: | 21700 |
| Positive Terminal: | Flat Top |
| Nominal Capacity: | 5000mAh |
| Continuous Discharge Rating (max): | 60A |
| Nominal Voltage: | 3.6V |
| Maximum Voltage: | 4.2V |
| Discharge Cut-off Voltage: | 2.5V |
| Protected: | No |
| Rechargeable: | Yes |
| Approx. Dimensions: | 21.55mm x 70.15mm |
| Approx. Weight: | 70g |
⚠ Important Safety Warnings
Improper handling or misuse of this lithium-ion battery can result in FIRE, EXPLOSION, or THERMAL RUNAWAY, causing personal injury, property damage, or death. Users must read and follow all safety guidelines before purchase and use. Click here to review the full safety guidelines.
- Critical Warning: Never carry loose batteries in your pocket, purse, or bag. Loose batteries can come into contact with metal objects like keys or coins, causing a short circuit, which may result in severe burns, fire, or explosion. Always store or transport batteries in a protective case or box.
- Intended Use: This battery is designed for integration into protected battery packs with a Battery Management System (BMS) or Protection Circuit Board (PCB). It is not intended for standalone use or use in devices such as e-cigarettes or vaporizers.
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What is Thermal Runaway?
- A dangerous chain reaction where heat generated by a failing battery causes it to overheat further, potentially leading to fire or explosion.
- Causes: Overcharging, short circuits, physical damage, or exposure to high temperatures.
- Prevention: Use a smart charger, avoid physical damage, and store batteries in a cool, dry place.
- Storage & Transport: Always store batteries in protective cases or boxes to prevent accidental contact with metal objects. Never store loose batteries in pockets, purses, bags, or near conductive materials.
- Inspection: Do not use if the PVC wrapper, terminal insulator, or casing is damaged, dented, leaking, or bulging. These are signs of internal damage or instability, and continued use could result in failure, fire, or explosion.
- Charging: Use a smart charger designed specifically for lithium-ion batteries and ensure that the charger's voltage matches the battery's specifications. Never overcharge, over-discharge, or leave unattended while charging.
- Prohibited Activities: Do not short circuit, modify, puncture, crush, expose to liquids, or solder directly onto the battery (spot weld only).
- Emergency Response: If a cell shows signs of thermal runaway (smoke, swelling, hissing, or heat), stop use immediately and, if it can be done safely, move it to a non-flammable surface (e.g., concrete or sand) away from combustibles. Lithium-ion cell fires are Class B fires — use an ABC/dry-chemical extinguisher, or douse with large amounts of water to cool the cell and prevent spread. Do not rely on a small spray; thorough cooling is required, and cells can reignite from residual heat, so monitor the area afterward. (Class D extinguishers are for lithium-metal batteries, not lithium-ion.) For any fire beyond a single small cell, evacuate and call emergency services.
Disclaimer
IMR Batteries is not responsible for any damages, injuries, or claims arising from improper use, handling, or failure to follow these safety guidelines. Lithium-ion batteries require strict adherence to all safety protocols.
It is the reseller's responsibility to ensure all product warnings and safety guidelines are effectively communicated to their customers. Some cells are sold in bulk packaging and are not individually packaged. Resellers must provide appropriate packaging for each individual cell sold and must not distribute cells loose, unprotected, or without a proper storage box or case.
Product compatibility is the sole responsibility of the customer. IMR Batteries does not guarantee compatibility with any specific device or application. We are not responsible for the design, assembly, performance, or safety of any battery pack constructed using our cells. It is the customer’s responsibility to ensure proper cell matching, protection circuitry, configuration, and safe construction practices. Users and resellers assume full responsibility for the safe handling, usage, and distribution of this product.
Customer Reviews
Overall rating: 4.8 / 5 from 51 reviews.
Best battery ever made
Aun se estan cargando pero el pedido llego en buen estado.
Excellent batteries for use in situations requiring 20 amps or more. Highly recommended.
The 21700 batteries seem to be very high quality, unfortunately the intended use for these cells was not possible due the the flashlight requirements needing a button top cell. Hopefully I can find a use for these high drain batteries in a future light.
Top notch cells. Amazing power and life. Repeat buyer of these, and will continue to come back to IMR for quality. Thanks
As you can see I like these batteries out of all the name brands!
Molicel P50B 60Amp 5000 mAh Battery,,,,,,,that’s what i use everyday in my quad 21700 Hammer of God Mod,,,,,, all 4 of these Molicels work hard and they deliver,,,,,,extremely long lasting,,,, fit n finish exudes quality and durability the minute you put one in your hand,,,, in my case it’s 4,,,,,, Buy with confidence Molicel’s deliver,,,,, this is a 5 star review,,,,,,,,,Steve D,
Good reliable cells!
These batteries are beast! They outperform Samsung in every way. Ordering another set as we speak.
Great battery!
Batteries work great no complaints fast shipping is always a bonus
You pay for the best, you get the best! Always a pleasure working with a quality product from a qualified distributor 😎
Always solid performance from these batteries
Good price with fast shipping.
Purchased 6 of these for my YLL 3.0, very impressed with the battery life. Several reheats on the Tempest2, barely reflected in the battery charge. Thank you IMR for the fast shipping and great packaging!
All is great no issues thank you!
Great product, and superfast shipping- thanks IMR!
long lasting and cool running at a great price
Emails sent to update you on new arrivals you've been waiting for. Quick, secure shipping. Couldn't ask for more. Thanks 😊
Great battery at good price value.
I ordered these batteries and they came fast. I even received a small plastic case for my two batteries that I ordered. Great service.
I replaced all my old P42A, also from IMR, with these P50B. I ordered 18 cells and all perform to spec. I've ordered Molicel, Panasonic, Sony, Samsung, Vapcell, EVE, AWT, and Efest cells from IMR Batteries and I've never had an issue with any cell. IMR is my trusted source for all batteries.
Great performance and quality
Muy potentes baterías
Happy with the batteries. Good company to deal with.
Very powerful high drain battery.Still lasts a long time in my flashlight.Very bright now.
I'd love to review this order but even though I ordered them June 27th and it's now July 14th I still haven't got them i will update my review if and when I actually get them!
Ill update my review if they ever show up. Its been like 3 weeks since I ordered them and they still haven't showed up and the tracking just basically says they're going in circles.
Overall great batteries
Always quality. Fast delivery.
Great place to buy lithium-ion batteries.
I still have not received my batteries. They have not moved in a week. I’ve ordered from here several times before and have never had this problem. I have requested a refund for new batteries be shipped priority.
Great place for your battery needs! User friendly website, fast delivery.
Great product. Works as expected...
Works great with 35A 11500 lumen Sanan SFN60 emitter! Ordered a 50A 15000 SFH55 9090 emitter for next build.
Excellent cells, total overkill for most consumer-oriented roles like flashlights (at least as far as CDR is concerned), but they are such a nice thing to have anyway. Very consistent cell-to-cell (measured capacity and internal resistance). These are an excellent choice for anything that requires unprotected 21700 cells.
Using it for my FireflyLite E12C with 12 W-1"s, and my Emisar D4Sv2 with 4 SFT-40's. Holy Crap Bright. Definitely makes those lights live up to their full potential.
My mech hits like a mac truck now
This battery is a powerhouse with plenty of up front amperage to "hit" the mark and longevity during it's discharge cycle. IMR sells top of the line product at a fair price and gets your order to you quickly. Molicel and IMR is a great combination. I don't buy anywhere else.