When you wrote, "When 5 cells are connected in parallel, altimately you made a single cell with higher capacity ( i.e 4.2V , 17000 mAh )" My question is, how come the battery went to 4.2v instead of staying 3.7v or jumping to 18.5v? Home; Illumination; Batteries & Chargers ; KeepPower 16650 2500mAh Protected Cell; KeepPower 16650 2500mAh Protected Cell. For series connection cut small nickel strips as shown in the figure. Doesn't allow the pack from over-discharged. 6 months ago Share it with us! Parado-Asi (Pardox. It is the same shape, but a bit larger than a AA battery. You can make a custom pack of any size according to your requirement.It's like solving a puzzle. Right now it just turns off when I plug/unplug power, even with charged battery pack :(, Question For 0.15 mm nickel strips, press the pulse knob 4P and current knob to 4-5. I will highly recommend buying 18650 cells from branded companies like Panasonic, Samsung, Sanyo, and LG. 2.5 out of 5 stars 3. In the event that any issue with a SureFire product is not covered under this warranty SureFire can arrange to have the product repaired for a reasonable fee. Use of photographic-type batteries can constitute a safety hazard, including risk of fire or explosion. I am a complete novice but have decided to build a 3S15P battery pack from Samsung 3a Li ion batteries for an outboard motor (a lead acid battery is just too heavy for me these days).I will use Vruzend end fittings to avoid soldering.I have an Imax B6 charger and have been told that I dont need to instal a BMS board on my battery pack because the imax B6 charger has one already installed. 52Ah Lead acid using 2600mAh 18650 LiPo batteries gives 52000/2600=20Final 18650 LiPo battery pack would be s13p20 to make a 48.1v 52Ah battery. To insulate the conductive parts, I used heat shrink tubing. Hi, is there any reason not to use battery holders like this:https://www.amazon.co.uk/HALJIA-Battery-Holder-Plastic-Storage/dp/B07MM1N459/ref=sr_1_fkmr0_2?keywords=18650+battery+holder+4+slotseries&qid=1578416247&sr=8-2-fkmr0, Question e.g. It is the same shape, but a bit larger than a AA battery. Hi, I would like to make a 12V Li-Ion battery pack with eighty-eight (88) 18650 cells, using a BMS advertised as "4S, 12V, 100A". Thanks for your advice. You may also use batteries from well-known manufacturers such as Panasonic®, Energizer®, or Duracell® to ensure safe performance. To ensure optimal safety and performance: • DO NOT use any batteries advertised or promoted specifically for use in cameras, for photography, or for other low-drain purposes in SureFire illumination tools. I checked with the vendor, but could not get a straight answer - the best they could do was "We have not tried that"! • ONLY USE rechargeable LFP 123A batteries in SureFire LED illumination tools designed to be powered primarily by disposable 123A lithium batteries, and use only those rechargeable batteries sold at surefire.com or from an authorized SureFire dealer, as these rechargeable cells are expressly for use in high-drain devices like SureFire flashlights and WeaponLights. The only real weak point of the light is that it relies on two CR123 batteries. if i would make it lets say 50AH or more, pleade help, been searchi g all over the internet, Reply Each Bay Has An Led Charging Status … Hi,If I connect load and charger together to this battery, Will it function as a UPS? Choose the strips according to the current rating. LED 18650 Spotlights Flashlights, UltraFire Tactical 18650 Camping & Hiking Flashlights, Streamlight Tacticals Flashlights 18650 Battery Type, Tactical 18650 UV Camping & Hiking Flashlights, SureFire Tacticals Flashlights 18650 Battery Type, Camping & Hiking Flashlights Tactical 18650 Battery Type Orbtronic 18650 battery is very safe to operate. Nickel strips come with different dimensions and lengths. Note: Some resellers don’t clarify if the NCR is protected or not – buyer beware. SKU: NOC-KR1. If you’re thinking about making your own I would encourage you to do so, you will learn a lot. 3. The digital display on this charger is great and provides good feedback during the charging process. 23 product ratings - SUREFIRE G2X PRO Dual-Output 15/600 lumens LED Flashlight - Black The Spot welder has three welding choices: fixed welding head, fixed welding head with foot switch, movable spot welding pen with the footswitch. You can see the above picture. This cheap 18650 battery is still more expensive than the unprotected ones. $49.99 . USD $17.99 (0 reviews) UltraFire Mini COB Worklight,3 Modes … 10 months ago. Place the first parallel group of cells (5 nos) positive side up, then place the second parallel group negative side up, and then finally the last parallel group positive side up. It is one of the most mature Li-ion formats available, is produced in high volume, and enjoys a low cost per Wh. The world is shifting away from fossil fuels and will one day become fully electric. 52Ah Lead acid using 2600mAh 18650 LiPo batteries gives 52000/2600=20 Final 18650 LiPo battery … Many used batteries are rewrapped as new and white-labeled. For example, the capacity of 18650 battery is generally 1800~2600mAh. But if you are not interested to buy a costly Spot Welder, you can solder the nickel tabs to the cell by following some precaution and tricks : 1. It provides plenty of reach and enough surround light to accommodate peripheral vision. Connect the BMS as shown in the wiring diagram. For these reasons, SureFire specifies that you purchase competitively priced replacement batteries from SureFire or an authorized SureFire dealer. From the previous step, it is clear that our battery pack is made up of 3 parallel groups connected in series ( 3 x 3.7V = 11.1V ), and each parallel group has 5 cells ( 3400 mAh x 5 = 17000 mAh). surefire lights are not intended and designed to use 18650 or any li-ion lights. Get it as soon as Wed, Feb 3. Designed For The P1r Peacekeeper-series Flashlights, The Surefire Rechargeable Lithium-ion Battery Kitconsists Of A Dual-bay Rapid Battery Charger And A Single 18,650 Li-ion Battery. • DO NOT place loose batteries in a pocket, purse, or other receptacle containing metal objects. UltraFire 18650 Tactical Flashlight with 4PCS UFB26 3.7V Protected 2600mAh 18650 Rechargeable Battery and Charger, 5 Modes and 1000 Lumens USB Flashlight 4.6 out of 5 stars 141 $34.99 $ 34 . In the present world, Lithium-ion is the most promising chemistry of all batteries. We recommend the KeepPower high drain 18650 3500mAh cells which can be found here. Answer Dual output: 600/15. however, they are planning to release a new light that does. 2. The Surefire 18650 has a positive end that sticks out slightly further than a standard AA/AAA battery. You have to adjust the welder pulse and current knob according to the thickness of the nickel strips. How to know the right charger to charge the battery pack? The reason we spot weld because it securely joins the cells together without adding much heat to them. Availability: In Stock. Soldering 2. It is ideal for rifle mounted applications that require long distance. But look at what the circuit is attached to! Solder the positive (red wire ) from the DC jack and Rocker switch to the P+ of the BMS, negative wires from the DC jack, and Battery level indicator to the P- of BMS. Your basket is empty. 2. Optimized for use in SureFire flashlights, SureFire lithium batteries pack a lot of power into a small package. For these reasons, SureFire specifies that you purchase competitively priced replacement batteries from SureFire or an authorized SureFire dealer. Oh, and one last thing - they even included a tiny button magnet in a bag, which I had no idea what it was for. Surefire Micro-USB Rechargeable 18650 Protected Lithium Ion Battery; WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Recharge lithium-ion and LFP 123A batteries only with their respective, designated chargers and per the charger’s directions. As such, the included SF battery can not go fully into the SF charger. It features Micro USB battery charging, USB battery discharging, and LED charging/discharging indicator. I used my Nitecore SC4 Charger to charge all the 18650 cells before joining them together. Participated in the Workshop Hacks Challenge 2017. Now we have to arrange the 15 cells properly for making the electrical connection among them and with the BMS board. Using the Panasonic’s until my Surefire 18650’s show up and have been carrying another light on the belt. These brands are registered trademarks of their respective companies. For paralleling the cells, the voltage of each cell should be near to each other, otherwise, a high amount of current will flow from the cell with a higher voltage to the cell with a lower voltage. Add to Cart. This tutorial was written for those who have knowledge of rechargeable lithium-ion technology. on Step 4, Hi, I am changing e-scooter ( vespa like ) to lithium batteries. These are the specifications of that BMS : Over-discharge voltage range: 2.3~3.0V ± 0.05V. They are the best choice for powering any Surefire illumination tool. Use only SureFire-brand batteries purchased from surefire.com or from an authorized SureFire dealer, or from established, well-known manufacturers, such as Panasonic®, Energizer®, or Duracell®. Yes, as this is something I'm planning to do as a mini 12v UPS for my home network gear! ... Surefire and Trustfire. You need 48v and the 18650 LiPo batteries are 3.7v, so 13x3.7v=48.1v That is 13 batteries in series, which would be s13Next you need to calculate mAh required by dividing the mAh of your Lead Acid battery by the mAh of the 18650 LiPo cells to calculate the number of s13 parallel sets required. Simple and practical, the tan SureFire M600DF Scout Light Dual-Fuel LED Weapon Light provides the tactical professional with a single-output illumination tool that can run on two kinds of battery – the two included 123As or one rechargeable 18650. Rocker Switch ( Aliexpress / Banggood ), 8. It will also fit all Modlite light heads. If it doesn’t come off with hand pressure or requires a lot of strength, then it’s a good weld. You can charge the battery pack by a 12.6V DC adapter like this. We are pleased to offer you the Fenix ARE-X1 single-bay 18650 charger, supported with micro USB charging. Specifications:Nominal Capacity: 3500 mAh Nominal Voltage: 3.7VDischarge End Voltage: 2.5VMax. User manual for the SureFire M600DF Scout Light Dual-Fuel LED contain basic instructions that need to be followed during installation and operation. Follow the directions in the user manual and/or written on the SureFire illumination tool. #1 tmedina, Aug 9, 2014. sonofjesse Empty Pockets. AA batteries, by comparison, are sometimes called 14500 batteries because they have a 14mm diameter and 50mm height. Locate your nearest SureFire dealer here. Disposable lithium 123A, rechargeable LFP 123A, and rechargeable lithium-ion batteries can EXPLODE, CATCH FIRE, and/or CAUSE BURNS if disassembled, punctured, cut, crushed, short-circuited, incinerated, recharged (disposable cells only), or exposed to water, fire, or high temperatures. This performance-oriented derivative of the XL-series is the first Maglite to use high performance lithium 123A batteries, resulting in a compact flashlight that produces more than 300 lumens and lasts four hours on one set of batteries. First, apply soldering flux to the PCB pads and end of the nickel strips. Generally, Nickel strips are widely used for this. on Introduction. It provides space between the cells, which allow fresh air to pass and the battery gets cooled easily. Orbtronic 18650 Protected Li-ion rechargeable 3.7V battery cell (Panasonic-Japan inside) Protective battery case / holder (for two 18650 battery cells). You can trust them with your life. Safe Li-ion packaging; Price listed is for One battery cell. 1 year ago I would like to know if I should connect twenty-two (22) 18650 cells in parallel, making it a 4S, 22P arrangement, as shown in the diagram attached. The OKW head is rated at 680 lumens and 69,000 candela when powered by an 18650 cell, which provides nearly four times the throw compared to the Surefire M600DF. $49.99. This light consists of the new OKW Dual Fuel light head, 18650 body, and your choice of tailcap. 4.1 out of 5 … Designed in collaboration with the U.S. Military, the Maglite MAG-TAC LED flashlight is a new rugged tactical flashlight from Mag Instrument. Question If you go over the maximum discharge current limit (A) you can decrease the cycle life all the way down to 50 cycles. I preferred to solder the nickel strips to the PCB for a sturdy connection. Most modern 18650 batteries have a typical cycle life of 300 - 500 (charge, discharge cycles). The long-life rechargeable SF18650 battery is good for a minimum of 500 charge cycles. AA batteries by comparison are sometimes called 14500 batteries, because they have a 14mm diameter and 50mm height. A battery management system (BMS) is an electronic system that manages a lithium battery pack and the main functionalities are, 1. This is just what I am looking for. It provides safety anti-vibration to your battery pack. Since the Surefire brand came into existence, it has always created quality products and cemented its image in the industry as one of the top tactical flashlight brands. I asked via email, and he told me it was for some 18650 batteries that are a little bit shorter, and have issues making contact with both ends. USD $16.99 . For all SureFire … Ultrafire WF-502B Mini LED Flashlight 1000 Lumens Single Mode Tactical EDC Emergency Flashlight Portable Bright 18650 Torch. This can damage the cells and even result in fire on rare occasions. You will find many types of 18650 cells in the market in the price range of $1 to $10, but which are the best? For more information, go to www.P65Warnings.ca.gov. The use of counterfeit and/or inferior-quality batteries could greatly reduce runtime and output performance, damage your SureFire illumination tool, constitute a safety hazard, and may void SureFire’s No-Hassle Promise. In general two types of nickel, strips are available in the market: nickel-plated steel strips and pure nickel strips. Safety: Before starting the spot welding, always wear safety goggles. Therefore you would only need to hook up the +/- terminals. It is a little bit costlier than nickel-plated steel, but it has much lower resistance. I used my Creality CR-10S 3D printer and 1.75 mm green PLA filament to print the parts. They sell the battery by marking capacity up to 5000mAh, but in actual their capacity is between 1000 to 2000 mAh. The purpose of the post was to inform the reader. For this project, I have used a 3S and 25A BMS board. Disclaimer:I cannot be held responsible for any loss of property, damage, or loss of life if it comes to that. how much? The Modlite 18650 Light Body is compatible with Surefire® z68, Modlite TCC tailcaps along with Surefire UE and DS00 tail caps. You can check the weld quality by pulling on the nickel strip. 18650 cell can provide a Nominal voltage of 3.7V, Minimum voltage of 3V and Maximum voltage of 4.2V.So if we consider nominal voltage, connecting 6 cells in series will give us 22.2V which is a 6S1P Configuration.Where 6S means 6 Cells in series and 1P means 1 cell in Parallel.By adding another 6 Cells in parallel we can not only double the capacity but also the amount of current Pack can deliver. • In the unlikely event a lithium-ion battery catches fire, DO NOT attempt to put the fire out with water—use a Class A, B, or C fire extinguisher. $30.00 SKU: KEEP-16650-CELL. Very happy, this is a good upgrade for the Surefire P2X Fury. Did you make this project? So for non/1 parallel, 3 series, 3000 mAh battery pack, means 12.6v @ MAX 3 amp. Note: Don't solder the wires ( P+ and P- ) to the BMS before installing the components into the enclosure. We ship fast from Florida - USA. Contact us if you have any question. Chargers for "18650 battery charger instructions" ULTRAFIRE 18650 2-SLOT LI-ION BATTERY Travel CHARGER(US PLUG) USD $4.99 . UltraFire 18650 2-Slot Li-ion Battery Charger(US PLUG) and UltraFire BRC 18650 1800mAh 3.7V Li-ion rechargeable batteries Kit. This battery will fit Malkoff MD Series bodies. The fundamental is very simple: Just to combined the number of 18650 cells in series and parallel to make a bigger pack and finally to ensue safety adding a BMS to it. Run time is about 75 minutes with the KE2-DF head and a freshly charged battery. Others for "ultrafire wf-501b manual" UltraFire Flashlight Bulbs LED 1000 Lumens 26.5mm Replacement Bulb XP-L V6 Single Mode 6 volt Drop-In- P60 Design: Surefire,Hugsby, C2 G2 Z2 6P 9P G3 S3 D2, Ultrafire WF501B WF502B. The MB10 is an included component of these systems, but extra units provide quick battery changes in the field. So that it will seats firmly and prevent any loss of wire connections. So we have to connect the 3 parallel groups (5 cells in each group ) in series to make the battery pack. 3M x 10mm Screws (Banggood / Aliexpress ). For this project let the requirement is: 11.1 V and 17 Ah Battery Pack, Specification of 18650 Cells Used: 3.7V and 3400 mAh. How many cycles does a typical 18650 battery have? Related Products ; Customers Also Viewed; Related Products. The maximum charge voltage of Li Ion cells is 4.2 volts, so this is the fully charged voltage of the parallel battery. Designed For The P1r Peacekeeper-series Flashlights, The Surefire Rechargeable Lithium-ion Battery Kitconsists Of A Dual-bay Rapid Battery Charger And A Single 18,650 Li-ion Battery. The final pack configuration is designated as a “3S5P pack” with a final specification of 11.1V,17AH. Surefire EDCL2-T Battery Options Lacking. This is a complete lighting solution which consists of the following products: Modlite FDE 18650 weaponlight with OKW or PLHv2 head One Modlite 18650 cell USB charger Surefire UE tailcap (tan) Modbutton Lite remote switch (black) Arisaka Offset Scout Mount M-Lok (Magpul FDE Cerakote) Please note: Modlite packaging is not included, but these are brand new components and parts. These cells that have well-documented performance characteristics and excellent quality control. Commonly cells in series are abbreviated in terms of ‘S’, so this pack will be known as a “3S pack”. Current stock: 0 Quantity + – Add to Basket Cart Subtotal: $0.00. Connect the first parallel group negative terminal to the positive terminal of the second group and then the negative terminal of the second group to the positive terminal of the third group. Lay your nickel strip on top of the 5 cells ( parallel ), ensuring that it covers all cells terminals, leave 10mm excess strips for connecting it to the BMS, and then cut it. Genuine SureFire Sf123a Lithium 3 Volt Cells Batteries X 2 Exp 2029. At the end of this project, I made a custom 3D printed enclosure for the battery pack. The 18650 (18mm diameter and 65mm length ) battery is a size classification of lithium-ion batteries. No of cells required for parallel connection = 17000 / 3400 = 5 nos, Commonly cells in parallel are abbreviated in terms of ‘P’, so this pack will be known as a “5P pack”.When 5 cells are connected in parallel, ultimately you made a single cell with higher capacity ( i.e 4.2V, 17000 mAh ). There are two grades of spot welders currently available in the market: hobby grade and professional grade. You would also need a matching s13 BMS board to correctly monitor this larger battery pack! And if yes, how should the wiring be made? Before welding, you have to prepare the nickel strips and welder. They will also work with the Surefire M600DF and Streamlight HL-X lights. 4.6 out of 5 stars (10) Total ratings 10, £37.99 New. Is that true?Thanks in advance for your advice.Rgds Howard. I used 3M x 10 screws for securing the lid. on Step 12. SureFire 18650 Rechargeable Lithium-Ion Battery: Power LED flashlights, lanterns, headlamps, photo equipment, and other devices with this 18650 Rechargeable Lithium-Ion Battery from SureFire. You have to connect the cells in parallel to reach the desired capacity (mAh ) and connect such parallel group in series to achieve the nominal voltage (Volt ). About: I am a DIY hobbyist by passion and Power Engineer by profession. For better understanding, you can see the above picture.