The Best Places to Buy Cylindrical Lithium Cells Online and In-Store

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Featured Lifepo4 Battery Modules

12.8v 32ah 410wh LifePo4 Battery with BMS

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25.6v 28ah 706.8wh Lifepo4 Battery with BMS

Full Case - 12x 25.6v 6ah 153.6wh Lifepo4 Batteries with BMS (24v)

A123 36v 19.2ah 736wh Lifepo4 - 96x M1B Cells

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Lifepo4 Cells

3.2v 15ah 48wh LiFePo4 Cylindrical Cells - Scratch/Ding

New Narada 3.2v 50ah 160wh Lifepo4 Prismatic Cells

New LEV60F 3.2v 74ah Lifepo4 Power Cells

New Full Case 100x 3.3v mah - 200x Lifepo4 POWER Cells

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Featured Lithium Ion

4 MAH CELLS IN MODEM BATTERIES

New EVE ICR/26V 3.6v mah Li-Ion Cells

48v 6.4ah 307.84wh Lithium Ion 13s4p 52x Cells

Modem Battery with 10x mah

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Featured BMS

Li-ion/Lifepo4 3s-20s 30a BMS WITH BALANCE

Li-ion/Lifepo4 3s-21s 100a BMS W/ LOW TEMP CUTOFF

4s 300a Lithium Ion / Lifepo4 BMS with Balance

9-36v BMS Upgrade to 500a Relay+Fuse Kit

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LTO

36v LTO Toshiba SCiB 20,000 cycles! 16x 20ah Cells

Household Batteries

200 AA Alkaline Batteries + Free Tester

200 AAA Alkaline Batteries + Free Tester

100 Pack CR Lithium Batteries + Free Tester

10/100/400 PACK NEW LITHIUM CR123A 3V BATTERY

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10 Pack CR123A 3v Lithium Batteries

Featured Parts/Repair Pallets

196x 50-100ah LiFePO4 Prismatic Cells - 43.2kWh - $35/kWh

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128x 50-100ah LiFePO4 Prismatic Cells - 33.6kWh - $34/kWh

1,145x 3.2v mah 10.24wh Cells

2x 51.2v 200ah Lifepo4 Batteries - 16kWh

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Power Supplies and Testers

Maisheng MN-DS Professional 0-30v 0-10a Adjustable Power Supply

Maisheng MPD Professional 0-30v 0-40a Adjustable Power Supply

Maisheng MPD Professional 0-120v 0-10a Adjustable Power Supply

Single Cell Lithium Ion Charger 4.2v 500ma

ZKETech EBC-A20 Capacity Tester 30v 5a Charge 20a Discharge

RC Lithium Battery Internal Resistance Tester with 4-wire Probes

Battery Hookup Digital Multimeter w/ Battery Included

Featured Accessories

Anderson SB50 50a Connector with 10 guage wire

NICKEL FUSE 2P-6P WIDE CONTINUOUS ROLL BY THE FOOT! CELL LEVEL FUSING

Battery Hookup Clippers Flush Cutters

4x Busbars + 8x M6x1.0 Nuts - 280ah, 300ah, 310ah Lifepo4

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Bensalem Pa.

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Battery Recommendations based on use

What is an Battery?

An battery is a rechargeable lithium-ion (Li-ion) cell characterized by its cylindrical shape and standardized dimensions of 18mm in diameter and 65mm in length. It is one of the most commonly used battery types in high-drain devices due to its high energy density, long lifespan, and efficiency compared to other rechargeable batteries.

Technical Specifications

• Chemistry: Most batteries use lithium-ion chemistry, but there are variations such as:
  • Lithium Cobalt Oxide (LiCoO₂ - LCO): High energy density but lower discharge rates.
  • Lithium Manganese Oxide (LiMn₂O₄ - LMO): Safer with better thermal stability.
  • Lithium Nickel Manganese Cobalt Oxide (LiNiMnCoO₂ - NMC): A balance between energy density, power output, and safety.
  • Lithium Iron Phosphate (LiFePO₄ - LFP): Extremely safe with a long cycle life but lower energy density.
• Voltage: Typically 3.6V or 3.7V nominal, with a full charge voltage of 4.2V and a discharged state at 2.5V–3.0V.
• Capacity: Ranges from mAh to over mAh, depending on the chemistry and manufacturer.
• Discharge Rate (C-Rating): Some cells are designed for high-drain applications, offering continuous discharge rates (CDR) up to 30A or more.
• Cycle Life: Depending on the type, an battery can last between 300 to + charge cycles before noticeable degradation.

Protected vs. Unprotected Cells

• Protected Batteries: Equipped with a protection circuit that prevents overcharging, over-discharging, and short-circuiting. These are often slightly longer (~70mm).
• Unprotected Batteries: Do not have built-in safety mechanisms and are mainly used in battery packs with external Battery Management Systems (BMS).

Common Applications

batteries are widely used in:

• Consumer Electronics: Laptops, flashlights, vapes, and power banks.
• Electric Vehicles (EVs) & E-Bikes: Tesla and other manufacturers use them in battery packs.
• Power Tools: Drills, saws, and industrial equipment.
• Energy Storage Systems: Solar power banks and uninterruptible power supplies (UPS).

Physical Variations

Some batteries have additional features that affect their size and compatibility:

• Button Top vs. Flat Top: Button top batteries have an extended positive terminal, while flat tops are flush.
• Protected vs. Unprotected: Protected cells are longer due to built-in circuitry.

If using an battery in a specific device, always verify the required specifications with the manufacturer to ensure proper fit and performance.

If you are looking for more details, kindly visit Cylindrical Cell.