IFR32700/ LiFePO4|3.2V

8 products

📖 Click to view full specifications, comparison & safety guide

IFR32700 Batteries – Ultra-Reliable Large-Format LiFePO₄ Cylindrical Cells, Outstanding Safety and Long Cycle Life for High-Power Applications

Welcome to our IFR32700 Batteries collection. The IFR32700 lithium iron phosphate (LiFePO₄) cell (approx. 32mm diameter × 70mm length) is a robust large-format cylindrical cell that balances generous capacity with a compact, easy-to-integrate length. Retaining all the inherent safety of the olivine crystal structure — cells survive nail penetration, overcharge, and short circuit without fire or explosion — the IFR32700 delivers typical capacities from 5,000mAh to 7,000mAh alongside true high-drain performance of 1C to 5C continuous discharge (up to 35A). These cells are perfectly suited to high-power portable tools, solar street lighting, electric two-wheelers, UPS backup, marine electronics, and medical equipment where a stable 3.2V platform, absolute safety, and 2,000+ deep cycles matter most.

Core Advantages of IFR32700 Batteries

Bulletproof Safety: The phosphate‑based olivine cathode locks oxygen in place; even under catastrophic abuse conditions the cell vents harmlessly instead of igniting. Read our detailed guide on why LiFePO₄ won’t catch fire.
Excellent Capacity-to‑Size Ratio: Up to 7,000mAh in a 32×70mm can — roughly double the energy of a similar‑length 26650 cell and over twice the capacity of a 21700 in many configurations.
True High‑Rate Discharge: High‑power IFR32700 variants support 3C–5C continuous (up to 35A) with minimal voltage sag, making them ideal for cordless power tools, high‑power DC pumps, and electric vehicle booster packs.
Ultra‑Low Internal Resistance: IR values as low as 6mΩ–12mΩ ensure cool operation under heavy load, reducing energy lost as heat and extending both runtime and cycle life.
Outstanding Cycle Life: Properly managed, IFR32700 cells achieve 2,000–5,000+ charge/discharge cycles to 80% capacity —often outlasting the equipment they power and dramatically lowering total lifetime cost.
Flat 3.2V Discharge Plateau: Delivers consistent voltage from full charge to near‑empty, keeping motors at full speed and LED lights at constant brightness without the voltage droop of lead‑acid or NMC cells.
Robust Can & Wide Temperature Range: The thick steel casing withstands vibration and shock; safe discharge from -20°C to 60°C makes it suitable for outdoor and unheated compartments.

IFR32700 vs. IFR32140 vs. 26650 vs. 32650 – Key Comparison

Parameter	IFR32700	IFR32140	26650 (LiFePO₄)	32650 (LiFePO₄)
Dimensions	~32mm × ~70mm	~32mm × ~140mm	~26mm × ~65mm	~32mm × ~65mm
Volume (approx.)	56.3 cm³	112.6 cm³	34.5 cm³	52.3 cm³
Typical Capacity Range	5,000mAh – 7,000mAh	10,000mAh – 20,000mAh	2,500mAh – 5,000mAh	5,000mAh – 7,000mAh
Nominal Voltage	3.2V (LiFePO₄)	3.2V (LiFePO₄)	3.2V (LiFePO₄)	3.2V (LiFePO₄)
Energy (Wh)	16Wh – 22.4Wh	32Wh – 64Wh	8Wh – 16Wh	16Wh – 22.4Wh
Continuous Discharge	1C – 5C (up to 35A)	1C – 3C	1C – 3C	1C – 5C
Cycle Life	2,000 – 5,000+ cycles	2,000 – 6,000+ cycles	2,000 – 4,000 cycles	2,000 – 4,000 cycles
Key Strengths	Compact length, high power, robust safety	Ultra‑high per‑cell energy	Small diameter, moderate capacity	High power in 65mm length
Typical Applications	Power tools, solar lights, e‑bikes, marine, medical	Solar street lights, RV storage, off‑grid	Flashlights, portable power	High‑drain tools, UPS

Popular IFR32700 Cell Models – Quick Reference

Model	Brand	Chemistry	Nominal Capacity	Continuous Discharge	Internal Resistance (approx.)	Positioning
IFR32700-6AH	EVE	LiFePO₄	6,000mAh	1C (6A) / 3C pulse	≤10mΩ	All‑purpose workhorse; solar lights & energy storage
IFR32700-6AH-HP	EVE	LiFePO₄	6,000mAh	5C (30A)	≤8mΩ	High‑power variant; power tools & e‑bike boost packs
IFR32700-7AH	Lishen	LiFePO₄	7,000mAh	1C (7A)	≤12mΩ	Maximum capacity; portable power & long‑runtime solar
IFR32700-5AH-3C	Various	LiFePO₄	5,000mAh	3C (15A)	≤9mΩ	Cost‑effective high‑drain; entry‑level power tools

Typical Specifications Range (IFR32700)

Parameter	Typical Range
Nominal Voltage	3.2V (LiFePO₄ chemistry)
Full Charge Voltage	3.65V ±0.05V (requires LiFePO₄ charger)
Capacity Range	5,000mAh – 7,000mAh
Continuous Discharge Current	1C – 5C (e.g., 6A – 35A)
Internal Resistance (AC 1kHz)	≤6mΩ – 12mΩ
Cycle Life	2,000 – 5,000+ cycles (≥80% capacity retention at 0.5C)
Energy Density	Approx. 100–125 Wh/kg
Operating Temperature	Charge: 0°C~45°C / Discharge: -20°C~60°C
Dimensions	Diameter 31.5mm–32.5mm × Length 69mm–71mm
Weight	Approx. 130g – 150g

Typical Applications

Application	Recommended Type	Suggested Models
Cordless power tools / high‑drain DC pumps	High‑Power (3C–5C)	EVE 6AH-HP (30A), IFR32700-5AH-3C
Solar street lights / garden lights	Standard Capacity	EVE 6AH, Lishen 7AH
E‑bike / e‑scooter 24V/36V packs	High‑Power / Balanced	EVE 6AH-HP, Lishen 7AH
Marine electronics / fish finders	Standard / High Capacity	EVE 6AH, Lishen 7AH
Medical equipment / portable ventilators	High‑Reliability	EVE 6AH
UPS backup / telecom	Standard Capacity	EVE 6AH, Lishen 7AH

How to Choose the Right IFR32700 Battery?

Your Requirement	Recommended Type	Suggested Model
I need to power a drill or an e‑bike with high burst currents	High‑Power 5C	EVE IFR32700-6AH-HP (30A)
I want maximum runtime for solar lighting or a portable power bank	High Capacity	Lishen IFR32700-7AH, EVE 6AH
I’m building a compact 12V/24V battery with the utmost safety	Standard LiFePO₄	EVE 6AH, IFR32700-5AH-3C
I need bulk quantities and matched cells for a custom pack	Contact our engineering team	—

⚠️ IFR32700 Battery Safety Guidelines

Use Only LiFePO₄‑Compatible Chargers: These cells must be charged to 3.65V maximum. A standard 4.2V Li‑ion charger will permanently damage the cell and can cause swelling or rupture.
Never Mix Chemistries: IFR32700 cells (3.2V) cannot be paired in series or parallel with NMC/NCA cells (3.6V–3.7V). The mismatched voltage profiles will create dangerous imbalances and potential fire hazards.
Respect the Voltage Floor: Stop discharging when the cell reaches 2.5V. Recharge immediately after deep discharge to avoid permanent capacity fade.
Protect the Casing & Terminals: Do not deform or puncture the steel can. When soldering or spot‑welding nickel tabs, avoid excessive heat on the positive terminal insulator ring, as damage can lead to internal shorts.
Recycle Responsibly: Dispose of end‑of‑life cells at a certified battery recycling center. Never throw IFR32700 cells in household trash.

Why Choose Our IFR32700 Batteries?

Grade‑A Authentic Cells: We source directly from EVE, Lishen, and other top‑tier LiFePO₄ manufacturers. Every cell is brand‑new, factory‑matched, and guaranteed to deliver full rated capacity — no rewraps, no B‑stock.
Strict Quality Control: Each batch is individually tested for capacity, AC internal resistance, and voltage. Matched sets with ≤1% capacity variation are available for multi‑cell pack builders.
Complete Selection: Our IFR32700 collection covers standard, high‑capacity, and ultra‑high‑drain variants — one stop for all your 32mm LiFePO₄ needs.
Flexible Terminals & Pack Options: Choose from flat top, button top, nickel tabs, or protected cells with leads — all factory‑applied. Custom laser‑welded packs with BMS are available on request.
Documentation & Compliance: UN38.3, MSDS, CE, and RoHS certificates are provided with every order to ensure seamless international shipping.
Expert Technical Support: From cell selection to pack prototyping, our engineers are here to help — whether you’re building a single replacement battery or an entire production run.

👇👇👇 Browse the products below to find the ideal IFR32700 cell for your next project. For a complete power solution, check out our flagship IFR32700 6000mAh LiFePO₄ battery or explore our full cylindrical battery & charger store. Volume pricing and custom pack inquiries are always welcome — reach out to our engineering team directly.

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