Made a power bank with these cells. Results as shown after testing. See Sorin DIY Electrical Nerd for instructions on how to make this power bank.
Key Features
- 2600mAh nominal capacity optimized for high-current output
- 35A maximum continuous discharge for demanding applications
- Low internal resistance for efficient power delivery
- Flat top, unprotected design for battery pack integration
- Engineered for durability and long cycle life
Overview
The Molicel INR-18650-P26A is a high-performance 18650 lithium-ion cell designed for applications requiring sustained high current and reliability. With a 2600mAh capacity and a strong 35A continuous discharge rating, the P26A delivers stable, efficient power output and dependable performance across demanding operating conditions.
Applications / Uses
- High-current battery pack assemblies
- Power tools and industrial equipment
- Electric mobility systems
- High-output portable lighting
- Energy storage and backup solutions
SPECIFICATIONS
| Manufacturer | Molicel |
| Model | INR-18650-P26A |
| Size | 18650 |
| Positive Terminal | Flat Top |
| Nominal Capacity | 2600mAh |
| Continuous Discharge Rating | 35A |
| Nominal Voltage | 3.6V |
| Maximum Voltage | 4.2V |
| Discharge Cut-Off Voltage | 2.5V |
| Protected | No (Unprotected) |
| Rechargeable | Yes |
| Approx. Dimensions | 18.30mm × 65.05mm |
| Approx. Weight | 45.8g |
| Data Specification Sheet | Molicel P26A Datasheet |
⚠ 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.
- 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 for e-cigarettes, vaporizers, or similar devices.
-
Thermal Runaway: A chain reaction where heat from a failing battery
causes further overheating, potentially leading to fire or explosion.
- Causes: Overcharging, short circuits, physical damage, or exposure to high temperatures.
- Prevention: Use a smart charger, avoid damage, and store batteries in a cool, dry place.
- Storage & Transport: Always store batteries in protective cases 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. Continued use could result in failure, fire, or explosion.
- Charging: Use a smart charger specifically designed for lithium-ion batteries and ensure the charger's voltage matches the battery's specifications. Never overcharge, over-discharge, or leave unattended while charging.
-
Prohibited Activities:
- Do not expose the battery to extreme heat, fire, or liquids.
- Do not short circuit, puncture, crush, or modify the battery.
- Do not charge or discharge beyond the manufacturer’s voltage range.
- Do not dispose of in regular trash—always recycle at approved facilities.
- Emergency Response: If a cell shows signs of thermal runaway (e.g., 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 combustible materials. Lithium-ion cells burn as Class B fires — use an ABC / dry-chemical fire extinguisher, or douse with large amounts of water to cool the cell and prevent the fire from spreading. 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 intended for lithium-metal batteries, not lithium-ion.) For any fire beyond a single small cell, evacuate and call emergency services.
Disclaimer
18650Battery.com 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 safety warnings and product guidelines are effectively communicated to customers. Users and resellers assume full responsibility for the safe handling, usage, and distribution of this product.
Customer Reviews
Overall rating: 4.8 / 5 from 269 reviews.
Batteries are good quality, just don't last all day on my High power vape device. Next time I'm going for a 300mah or higher. But fast delivery and good company to work with!
Spent years using VTC5A's, after seeing all the recommendations, I'm glad I made the switch to molicel :punch:
Great price. Slightly lagged shipping but overall VERY pleased!
Two of the batteries are not holding charge like they should.
Love them
Perfect.
Fast shipping
Great battery’s thank you
Solid, quality products, and good price
We build custom assemblies for engineers. The voltage of these cells is very consistent, well matched. Been using them for many years. No problems.
Thank you.
Great!
Good battery, and price
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Only the best batteries will do and I get them here...thanks!
Received in a timely fashion
They hold energy quite well and combined with my current mod it doesn’t matter if I’m on 20% it works just as good
They hold energy quite well and combined with my current mod it doesn�t matter if I�m on 20% it works just as good
Batteries are exactly as described and work very well. Hold a charge for a very long time and also recharge fairly quickly.
The batteries don’t hold a days charge anymore
The batteries don�t hold a days charge anymore
I bought Molicel P26A 18650 2600mAh 35A Battery. It is very good buy. The batteries arrived fairly quickly in good packaging.
Arrived quickly
I had to solder the little wire clips on each end and then put it in my RyBo screw driver and in it works GREAT.
One of the preferred batteries for the TinyMight 2. Works perfect.
These batteries are great, last me all day
Chinek va sunea. Epenalo.
Worked without a problem, shipment was on time
This is the best 18 650 battery for dry herb vaporizer’s. Beat them all and has the best price
This is the best 18 650 battery for dry herb vaporizer�s. Beat them all and has the best price
I’m using these on my Drag Pro X they last about 9 hours of solid use before having to swap out or charge. Decent
I�m using these on my Drag Pro X they last about 9 hours of solid use before having to swap out or charge. Decent
All batteries work great except one shows charged in the charger and then dead in the device.. only problem I’ve ever had ordering.. love the fast shipping and order processing times
All batteries work great except one shows charged in the charger and then dead in the device.. only problem I�ve ever had ordering.. love the fast shipping and order processing times
I'm over 18650 mechs. I was on here buying some 30T's and remembered I uncovered a brand new murdered out slim. Threw a .09 build, and these cells wanna jump out of the mod. I'm impressed. Buy em. Wish I purchased more then a set so I can buy some time, as vape apocalypse is coming.
Last long
Last sets (3 set rotation) lasted 4+ years, and i only replaced them because they only held about 75%... which is still better than many fresh batteries
Amazing product, amazing price!
Great battery all around. Even better company to order from, always fast shipping and good pricing.