In our tests of the 2600 mAh 40A, we found that it offers some great performance, depending upon the amps you choose. The best performance seemed to occur at around 10A, and we were able to get the battery to come pretty close to that 2600 mAh rating that it advertises mAh to Wh calculator Watt-hours to milliamp-hours calculation formula. The electric charge Q (mAh) in milliamp-hours (mAh) is equal to 1000 times the energy E (Wh) in watt-hours (Wh) divided by the voltage V (V) in volts (V):. Q (mAh) = 1000 × E (Wh) / V (V). So milliamp-hours is equal to 1000 times watt-hours divided by volts Thus, the current in amps is equal to horsepower times 746 divided by the voltage times the efficiency η times the power factor. For example, let's find the current draw in amps of a 1 horsepower motor that runs at 120 volts with a 90% efficiency. Amps = 1 HP × 746 W 120 V × . The rating 2600mAh (or 2.6Ah) means the battery will produce 2600mA for one hour, or 1000mA for 2.6 hours of indeed 1mA for 2600 hours. The rating is the current multiplied by the time the battery can produce that current. In practice the rating depends on the current Convert the amps to watts with our electrical conversion calculator, plus learn the formulas for DC, single-phase AC, and three-phase AC circuits. Capacitance to Charge Electrical Conversion Calculator . Calculate the electric charge in a circuit using the capacitance and voltage. Plus, check out the formula for the conversion with example.
Only Ni-Cd variants of AAA cells are chargeable with lower efficiency, while all 18650 2600 mAh are chargeable with great efficiency. AAA are mostly use-and-throw types having short life span, 18650 2600mAh have long life span and can be charged and discharged many 100 times with sustained efficiency Wh to mAh calculator milliamp-hours to watt-hours calculation. The energy E (Wh) in watt-hours is equal to the electric charge Q (mAh) in milliamp-hours times the voltage V (V) in volts (V) divided by 1000:. E (Wh) = Q (mAh) × V (V) / 1000. So watt-hours is equal to milliamp-hours times volts divided by 1000 Insert the mAh below, then insert the time duration in hours and then click on Calculate to obtain Amps: mAh: mAh. Duration: Hours. Result: A. The formula is (A)=(mAh)/((h)*1000). For example, if you have 15000mAh running for 5 hours, the current in Amps is 15000mAh/(5h*1000) = 3A Neewer 2600mAh Li-ion Battery and Charger Kit for Neewer CN-160,CN-216,CN-126 CN-304 LED Light and Sony HandyCams,Nanguang, Polaroid Lights Using NP-F550/F570/F530 Batteries 4.6 out of 5 stars 468 $23.99 $ 23 . 9
AWT 18650 Li-ion Battery - 50A 2600mAh 3.7V Rechargeable Battery . The newest addition to the AWT line is the 2600mAh 3.7V 50A high-drain 18650 rechargeable battery. AWT stands strong with a solid reputation for engineering top quality 18650 vape batteries mAh means milliamp hours (1000 milliamps = 1 amp) 2600 mAh = 2.6 Amp hour. This means that it will discharge 1 amp for 2.6 hours. This is the measure of available current inside the Power Bank that can be delivered for one hour milliamps to amp milliamps to siemens volt milliamps to gaussian milliamps to kiloamp milliamps to statamp milliamps to megaamp milliamps to biot milliamps to centiamp milliamps to abamp milliamps to weber/henry ›› Definition: Milliampere. The SI prefix milli represents a factor of 10-3, or in exponential notation, 1E-3. So 1 milliampere. Neewer 2600mAh Li-ion Battery and Charger Kit for Neewer CN-160,CN-216,CN-126 CN-304 LED Light and Sony HandyCams,Nanguang, Polaroid Lights Using NP-F550/F570/F530 Batteries 4.6 out of 5 stars 465 $23.99 $ 23 . 9
Your LiPo Battery is made to order, providing the freshest cells. Any size and capacity. Includes money back guarantee, lifetime warranty, and free re-wraps Molicel P26A 18650 2600mAh 35A Battery This is one of the newer and highly anticipated cells out by a major manufacture and it hits a Grand Slam with its first at bat. This cell makes a typical capacity of 2,600 mAh in energy with up to a whopping 35 amps in Maximum Continuous Discharge/Drain Rating Molicel/NPE INR-18650-P26A 35A 2600mAh Flat Top 18650 Battery - Authorized Distributo Charging current for 120Ah Battery = 120 Ah x (10/100) = 12 Amperes. But due to some losses, we may take 12-14 Amperes for batteries charging purpose instead of 12 Amp. Also read: Battery Capacity Rating Calculator Formula and Equations; Suppose we took 13 Amp for charging purpose, then, Charging time for 120Ah battery = 120 / 13 = 9.23 Hrs
Get 2600 Mah Battery With Fast and Free Shipping on eBay. Looking For 2600 Mah Battery? We Have Almost Everything on eBay Molicel/NPE INR-18650-P26A 35A 2600mAh Flat Top 18650 Battery - Authorized Distributo 95C = 95 x Capacity (in Amps)=95*1300mAh=123500mAh=123.5Ah. From the theoretical stand point, if you discharge you battery at a 2600mAh, so the 1300mAh of battery pack can be exhausted in half an hour. From above the calculation, draw battery at 123.5Ah, so this battery pack will be draw out in 0.63 minutes The 18650 2600mAh Li-Ion battery has the ability to power Dayton Audio Bluetooth amp boards when you combine them with a special Dayton Audio charging board. The KAB-BE holds three 18650 batteries and delivers longer playing time and standby time when using it with your KAB Bluetooth amp boards. Note: Do not throw the battery into the fire. Do.
In 1C, C refers to the AH or the mAH value of the battery, meaning if the Li-ion cell is rated at 2600mAH then the C value becomes 2600, or 2.6 Amps, which implies that it can be charged at its full 1C, or at 2.6 amps if required 2100 mAh 4/5 A 150 mA 13 - 15 hrs 1 amp 30 amps 2150 mAh 4/5 A 150 mA 14 - 16 hrs 1.5 amps 10 amps 2600 mAh AA 100 mA 27 - 28 hrs 600 mA 3 amps 2700 mAh AA 100 mA 28 - 29 hrs 600 mA 3 amps 2700 mAh A 200 mA 26 - 27 hrs 1.5 amps 10 amps 4000 mAh 4/5 A 500 mA 9 - 10 hrs 2.0 amps 10 amps A 1300mAh 20C LiPo can push 26 amps and has 1300mAh A 2600mAh 10C Titan can push 26 amps and has 2600mAh (2x as much!) Long Answer **FULL NERD WARNING** What is C rating? C rating measures how fast a battery can discharge its energy. The higher the C rating - the faster the power can leave the battery to turn motors, power a light bulb, etc A quick review on this amazing device!Here is the link to the product: http://dx.com/p/universal-portable-2600mah-power-bank-for-ipad-iphone-ipod-mp3-mp4-mor.. Sony/Murata VTC5A 30A-35A 2500/2600mAh Flat Top 18650 Battery - Genuine - Wholesale Discoun
GENUINE Sony 18650 30Amp 2600 mAh Battery . Model Number: US18650VTC5. Capacity: 2600 mAh discharged @ 10 amps; Max Continuous Discharge Current: 30 Amps Amp-Hours are a rating of how much energy a battery holds. A theoretical 10 amp-hour battery could deliver 10 amps for an hour, or 1 amp for 10 hours, or half an amp for two hours, and so on. Now, there are limitations due to the internal resistance of the battery (and probably some other things I don't know about), so you can't extend the. BatteryStuff Tech Since we do not sell that specific charger, I cannot confirm if it will be safe to use on a 1000 mAh battery. 5 amps is too much to put into a 1 Ah battery, but if the charger is a smart charger, then it wouldn't matter. I recommend you contact the manufacture of the Cannon charger for the confirmation you're looking for Sony VTC5 2600mah 20A Flat Top Battery is a high performance and upgrade over the Sony VTC4. It is a great battery that can be used with popular devices and box mods in the market. Add to Wish List. Description . Show More. Introducing the upgraded version of the VTC4, which introduces the Sony VTC5, now features 2600mAh capacity. One of the. 2,600 mAh power capacity; 1 amp rapid-charge technology; High-speed integrated circuit protection; 375 hours standby time, 15 hours of talk time and 12 hours of internet time; Four LED charge status indicators; Compact design lets you conveniently carry it in your pocket, purse or briefcase; Easy to use - just press the power button to start.
I have been asked a few times if its OK to use higher mAh rated batteries in your laptop. The answer is yes, mAh only refers to power capacity and how many milliamps the laptop battery can deliver per hour 2600mAh as shown on the battery in the picture is equal to 2.6Ah (amp hours), a format you may be more familiar with on larger batteries, like the SLA (sealed lead acid) one in your car, which is probably around 50Ah. A capacity of 2600mAh means that the battery can discharge at 2.6 amps for one hour (hence amp hours), 1.3 amps for 2 hours.
In concrete terms, if we have a 13s pack with a 10 amp hour capacity, we can say: The charge rate is C/2 or 10/2 = 5A (C is capacity in AH) The charger voltage is s 54.6 or 13 x 4.2 (max voltage for 100%) The taper charge end current is 10% of 5 amps, or .5 amps; The CC is set at 5 amps max; The CV is set at 54. Modernize yourself with lg 2600mah exhibiting distinct features available at Alibaba.com. It offers a huge collection of lg 2600mah at affordable deals Sony VTC5 18650 2600MAH Battery - 30A Battery . SONY VTC5 Battery Specifications: - Model: US18650VTC5 - Manufacturer: SONY - Chemistry: NMC - Max. continuous discharge current: 20A - Nominal capacity: 2500 mAh - Nominal voltage: 3.6 V - Discharge end voltage: 2.5 V - Charging voltage: 4.20 +/- 0.05 V - Standard charging current: 1500 m
Molicel 18650-P26A, 2600 mah 25 amp CDR Up to 90W: LG18650HB6 1500mah 30 amp CDR LG18650HB2 1500mAh 30 amp CDR LG18650HB4 1500mAh 30 amp CDR Samsung 18650-20S 2000mah 30 amp CDR Good luck and if you need additional help let us know. Hope that helps. Cheers ETA: @rammstein here is where I bought mine. They are a great place to buy batteries A guide to battery capacity measurement including amp-hours, watt-hours, C ratings and more.Website: http://www.afrotechmods.com/The Amp Hour podcast: http:/.. About the UltraFire Rechargeable 3.7V 2600mAh Button Top Battery 1,Please remove the clear plastic film wrapped on the battery surface before using or charging,otherwise the battery will not work. 2,Please charge the battery in time, not until the battery is completely drained,otherwise it will reduce the battery life
Item Number: NURE18650-1 Brand: Nuon Voltage: 3.6 Format: 18650 Capacity: 2600MAH Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.go Here you go, my 2600mAh powerbank actually has 2,019mAh only. This calculation is approximately 10% to 20% accurate, see additional note below. If you want to get more accurate measurement you have to record the amp at short intervals like (every 10 mins) or use device such Power Analyzer Pro
. The Sony VTC5 18650 2600mAh battery has a 30 Amp discharge rate and a 2600mAh rated high drain rated capacity. Sony VTC5 18659 30A 2600mAh IMR Battery: Specifications . Nominal Capacity: 2600mAh; Rated Capacity: 2500mA GENUINE Sony 18650 25amp 2600mAh Battery. Model Number: US18650VTC5A. Capacity: 2600 mAh discharged @ 10 amps; Max Continuous Discharge Current: 35 Amps (25 Amps as recommended by Mooch for safety of the cell
Amperes (or Amps for short) is a measure of the amount of electrical current passing through a circuit. The UPB-02K6-1U Portable 2600mAh Mobile Power Bank is the perfect power solution when you're on the road, or stuck somewhere without convenient electricity. It fits comfortably in your pocket, purse, backpack or laptop bag to keep your. battery power is getting low. The UPB-02K6-1U Portable 2600mAh Mobile Power Bank is the perfect power solution when you're on the road, or stuck somewhere without convenient electricity. It fits comfortably in your pocket, purse, backpack or laptop bag to keep your e-reader, MP3 player, handhel Sony VTC5A 2600 Mah 18650 25A Flat Top Battery (2 Pack) The authentic Sony VTC5A features 25 amps of continuous discharge with a Sony rating of 35 amps and a max temperature of 80 degrees Celsius. Perfect for box mods and mechanical mods within safety build parameters. Please refer to an ohms law calculator for information on lowest build properties
Capacity: 2600mAh Voltage: 14.8v Configuration: 4S1P / 14.8v / 4Cell Continuous Discharge Rate: 35C (91 Amps) Size:120mm x 35mm x 33mm Weight: 275g Battery Wire Size: 1 AWG Balance / Charge Connector: JST-XH (with high quality silicone wire) Connector Plug: Factory Soldered XT60 Connecto 2600mAh | 5A Max Discharge | 90 Min Charge. Titanium Innovations' 18650-2600 battery is hands down one of the best 18650s to power your LED flashlights. This powerhouse battery is brimming with 2600mAh of capacity, and its 5A discharge rating handles energy-draining flashlights, laptops, and more. Like all of Titanium Innovations' li-ion.
Im charging the battery again , and hope to have some flashlight performance figures [ Amps Delivered ] to post soon . But looking at the discharge results , it looks like the Nitecore 18650 can do 3A rather easy , so I hope the performance figures , from running in some XM-L lights will reflect this The Sony VTC5A 18650 lithium ion battery is the ultimate cell which all other 18650's are compared to. This cell offers a 2600mAh capacity rating and 25A CDR. This Sony/MuRata VTC5A cell is a Superman type of cell for those that need and require Ultra-High Discharge/Drain cells in the 18650 form factor size It is the charging current which is 1.2 Amperes. But do not confuse this 1.2 amperes charging current number with ampere-second (the coulomb unit) or the ampere-hour. Even though the Ampere is actually a SI unit of current being transited per unit-time. In other words; transiting current is the 'ampere unit', and, the other 'ampere-second.
A LiPo battery should be charged at a maximum rate of 1C, where 'C' is the capacity of the battery in amp hours divided by hours - so a 2200mAh battery can be safely charged at 2200mA (i.e. 2.2A.) For some high performance batteries the manufacturer may also state a charge C rating above 1C (such as some Turnigy Graphene batteries), but if this. . These batteries are Beasts and will have you sub-ohming like a champ. Availability Out of stock. SKU. 12-1093-000. Add to Wish List. Product Description. AWT 18650 40A 2600 mAh batteries are high amperage, high quality, durable batteries. These batteries have enough power to feed.
With a battery capacity of 2600mAh and 1 amp output, myPower 2600 delivers the charge your device needs when you're on the move. Designed for Safety myPower 2600 is constructed with Grade A cells from LG that ensure high-performance charging and reliable operation. Advanced circuitry prevents the battery pack from overcharging, overheating. A battery with a rating of 1000 mAh should be able to provide 1 amp of current, for 1 hour. Or 1/2 amp for 2 hours, or 2 amps for 1/2 hour, etc C Rating - How Fast the Battery Can Deliver Its Energy Discharge rating, given in C Browse the top-ranked list of 2600 Mah Portable Charger below along with associated reviews and opinions. Main Results. mophie - Powerstation 6000 mAh Portable Charger for USB devices - Gray. It has two USB ports with a total output of 2.1 amps for fast simultaneous charging. This Insignia USB power bank has a 2-amp input for quick recharging An ampere hour or amp hour (symbol: A⋅h or A h; often also unofficially denoted as Ah) is a unit of electric charge, having dimensions of electric current multiplied by time, equal to the charge transferred by a steady current of one ampere flowing for one hour, or 3,600 coulombs.. The commonly seen milliampere hour (symbol: mA⋅h, mA h, or unofficially mAh) is one-thousandth of an ampere.
samsung icr18650 26F 2600mah - AMP limit? What are the amp limits of these batteries..? they are purple n colour. 8 comments. share. save hide report. 57% Upvoted. This thread is archived. New comments cannot be posted and votes cannot be cast. Sort by. best. level 1. a Patriot on a Nanos 1 point · 5 years ago Sony VTC5 18650 2600mAh Battery - 20 Amp Sold Individually 18.35mm x 65.20mm Manufacturer's listed Specifications: Size: 18650; Nominal Capacity: 2600mAh Specifications: Li-Ion Size: 3 x 18650 (cylindrical) Capacity: 2600 mAh Chemistry: Lithium Ion (Li-Ion) Cell Type: LG 2600mAh (ICR18650 B4) Working Voltage: 10.8/ 11.1v Peak Voltage: 12.6v Cut off voltage: 8.25V Watt Hours: 28.08Wh Protection: PCB - 4 Amp (Protects from Overcharge, Overdischarge, Over Drain and Short Circuits) Protection. A standard 2600mAh cell from Samsung. Very nice matching of the two batteries and capacity is nearly independent of load. Conclusion This is a very good cell for a standard 2600mAh cell. Remember that the cell is unprotected this means it will have higher voltage at high load than protected batteries
Search Sanyo UR18650ZT I believe, they are newer 4.3V cells, been asking similar questions before buying the 2600mAh, look around you will find it They are not bad but are 4.3V and won't give you 2800mAh without going to 4.3V and maybe even then they might be slightly over rated 18650 2600mAh Rechargeable li-ion battery 7.4v with PCB General Specification: Model KXD18650R2S Nominal Voltage 7.4V Nominal Capacity 2600mAh Charge Cut-off Voltage 8.4V Discharge Cut-off Voltage 6.0V Cycle Life above 500 cycles Battery Dimention(MM) 20mm*38mm*70mm Battery Weight 99g Charge Temperature 0°C~45°C;32°F~113°F Discharge Temperature -20°C~60. charge ur devices on the go w/ this portable power bank!! the attachable loop is perf for hooking it to ur bag! 2600 mAh rechargeable battery colors: pink, black, gold, purple, silver, teal perf for backpacks or purses features: USB compatible, rechargeable battery, attachable carrying loop brand: traxx country of origin: importe
This cell makes a typical capacity of 2,600 mAh in energy with up to a whopping 35 amps in Maximum Continuous Discharge/Drain Rating. Although you may get a somewhat shorter cycle life at this given amperage, but the cell is made to handle that kind of load without any issue. This is the hardest and longest hitting cell in the 18650 form factor. . (48.1 wh) Protection: 1x PCB (7.0A limited) installed with the battery pack and protects the battery from (location on flat side of pack) Over-charge (>21V) Over-discharge ( < 12.5 V) Over drain ( >7.0 Amp) Short circuits; 1x 7 Amp polyswitch installed to limit max. discharging current at 7.0A and to protect wrong polarit
Amps = 50W / 25.2V = 2A As you can see, there is a reason new chargers have more than 50W of output. With the average user charging 6s lipos, some as large as 5800mAh, more wattage is needed to allow the packs to be charged in a reasonable amount of time Get the bestselling imr 18650 2600mah on Alibaba.com at unrivaled discounts and enjoy high-performance output. The imr 18650 2600mah are durable to ensure value for your money Fenix ARB-L18U 18650 2600mAh 3.6V Protected Lithium Ion (Li-ion) Button Top Battery with Micro USB Charging Port - Clam Shell $11.95 Olight ORB2-186P36 18650 3600mAh 3.6V Protected Lithium Ion (Li-ion) Button Top Battery - 1 Piece Retail Car Sony | Murata VTC5A 18650 2600mAh 25A Battery - Button Top. $7.99. Previous Next. Add to Cart. Quick view. Samsung 36G 18650 3600mAh 10A Battery. $7.99. Out of stock. Previous Next. Out of stock. Quick view. Nitecore NL1834 18650 3400mAh Battery - Protected Button Top. $14.99 Previous Next. Add to Cart. Battery Size: 2600mAh Wattage: 6 - 11 Voltage: 3.3 - 5.0 Max Current: 3 Amps Min Resistance: 0.6 Ohm Connection: eGo / 510 Great For: Beginners/Regulars. The MVP 1.0 is no longer available but you can still get 2.0 mods with or without an atomizer. iTaste MVP Shin
NL1826 (18650 - 2600mAh) Purpose built for Nitecore lights and optimized for the longest runtime. Nitecore batteries are purpose-designed for high-drain, high-performance equipment. All batteries have built in internal and external safety features. It's battery protection IC is from Seiko Instruments Japan and certified by CE, UL and ROHS 2600 mAh min. (47wh) Protection: One PCB (4A limited) installed with the battery pack and protects the battery from Over-charge (>21.4V) Over-discharge ( <15 V) Over drain ( >4 Amp) Short circuits; One 730 Amp polyswitch installed to protect wrong polarity; Terminal: Charge / Discharge terminal: 6 long 18AWG wire without connector Red = Positiv Fenix 18650 3.6V 2600mAh Li-Ion Rechargeable Battery (ARB-L2-2600) - Fenix 18650 3.7V Lithium Ion (Li-Ion) Rechargeable Battery - 2600mAh Flat Top Specifically designed for high-intensity flashlights, the Fenix ARB-L2 18650 Rechargeable Battery provides impressive and reliable power that stands above its competitors. Able to hold a charge of up to 2600mAh, this sophisticated power source comes. Likelihood of Fakes. Quickly knowing whether a battery is counterfeit is possible, here I'll show you how by taking a look at the Samsung 25R. I picked the Samsung 25R because of its stellar reputation as a great high-amp cell. It finds use in electric cars, power-tools, vaporizers, and more and will almost certainly continue as one of the most popular 18650s at least until late 2015 when a.
A wide variety of sanyo ur18650 2600mah options are available to you, such as toys. You can also choose from ce sanyo ur18650 2600mah There are 25 suppliers who sells sanyo ur18650 2600mah on Alibaba.com, mainly located in Asia. The top countries of supplier is China, from which the percentage of sanyo ur18650 2600mah supply is 100% respectively Samsung Galaxy S4 Battery Replacement Kit Compatible with SCH-I545, SGH-I337, SPH-L720 & More - 2600 mAh (Samsung Galaxy S4) Type: Replacement Battery Compatible Phone Manufacturer: Samsung Amp: 2600 mAh Model #: C4L-S4Battery Item #: 9SIAJW5AUZ0441 Return Policy: View Return Policy $11.99
The Watson BP-827 Lithium-Ion Battery Pack works with the same cameras as the Canon BP-827. This replacement battery pack features a capacity of 2600mAh, 7.4V of output power, and 19.24 watt hours. Small and lightweight, lithium-ion batteries can be charged or discharged at any time without developing memory effects How long does it take to charge a Power Bank 2600 mAh?The Power Bank 2600mAh charge will recharge in about 2-3 hours from a 1 amp power source. What comes in the box Lifebox 2600mAh power bank- US cable (Micro USB The number is in milliamp hours, or mAh. (There are 1,000 milliamps to one amp.) Amps is a measure of current, so we know we're dealing with how much 'water' is coming out of the pipe. If your battery has 1 amp hour, that means it can discharge 1 ampere of current over one hour, or half an ampere an hour for two hours, etc Lets add it all up 48 amps for motors, a few amps for the FC, a few amps for the radio Rx, some head-room usually 5 to 10 percent So far, we have roughly 52 amps for basic gear, 5 amps for head-room, for a total of 57 amps. I would round that up to 60 amps. Your battery should be rated to put out at least 60 amps continuousl
1 product rating - 3.7V 2600 mAh 606168 Rechargeable Polymer Battery Li-Po ion for GPS PSP MP 100% Authentic Guarantee. We guarantee every 18650 battery is Grade A, 100% authentic, and meets the advertised specs or your money back specs: input dc5v/1a, output dc5v/1a, lithium battery 3.7v, capacity 2600mah, charge type micro usb, with LED screen country of origin: imported item # 115112-0
1x Sony VTC5A 18650 2600mAh 25A Battery Disclaimer: Please use extreme caution when working with Li-Ion (Lithium-Ion), LiPo (Lithium-Ion Polymer) and any other rechargeable batteries. The user should have fundamental knowledge of batteries and battery safety before using these types of batteries to avoid injury high drain 100% original VTC6 3.7V 3000MAH batteries 18650 50amp 1.Specification description Item Specification Nominal Capacity 3000mAh (0.2C, 2.75V discharge) Minimum Capacity 3000mAh(0.2C, 2.75V discharge) Charging Voltage 4.2 ±0.03 V NCR 18650 battery Nominal Voltage 3.7V NCR 18650 battery Charging Method CC-CV (constant voltage with limited current) Charging Current Standard. Specs. Product Name: Mophie Power Boost Mini 2600mAh Power Bank; Model: 4056_PWR-BOOST-2.6K-WHT, 4055_PWR-BOOST-2.6K-BLK; Condition: New; 1.0a USB high-output charging port enables you to quick-charge your smartphone and other USB device The rating means milli-amp hours which is effectively how much power you can draw for how long. For example, with a 1300mAh battery, you could continuously draw 1300mA of power for 1 hour, or 650mA for 2 hours, etc etc. Of course, it's never that simple, because inferior batteries run out much quicker than their mAh rating if they have heavy.