- E-mail : carolinekang@like-minded.com.cn
- Téléphone : +8615583674967
Our 3.2V 21Ah EV Grade LFP Lithium Battery Cell is square lithium iron phosphate cell specially designed for EV use with reliable low-temperature performance. This High Energy Density 21Ah Square LFP Battery Cell owns long cycle life and complete safety performance for energy storage matching.
Numéro d'article :
High Density 3.2V 21Ah LFP Lithium Battery CellCommande (MOQ) :
50PCSPaiement :
T/T,L/C,Credit Card,PayPalOrigine du produit :
ChinaCouleur :
BlueService :
OEM /ODMPort maritime :
Shanghai/Guangzhou/Shenzhen/NingboDélai de mise en œuvre :
3-7 DaysPoids :
430±5gHigh Energy Density 21Ah Square LFP Battery Cell is a vehicle-grade square LFP power cell from Likeminded, rated capacity 21Ah (1C), nominal voltage 3.2V, widely applied for EV and stationary energy storage equipment.
The Suppliers of the Battery Cells and the Batteries
Main Technical Parameters
| Item | Specification |
| Rated Capacity | 21Ah |
| Nominal Voltage | 3.2V |
| Working Voltage Range |
2.0~3.65V(＞0℃) 1.8~3.65V(≤0℃) |
| Single Cell Weight | 430±5g |
| Mass Energy Density | ≥158Wh/kg |
| Volume Energy Density | ≥320Wh/L |
| AC Internal Resistance | 3.2~4mΩ |
| DC Internal Resistance | ≤7mΩ |
| Dimension | Thk:22.5±0.5mm W:65±0.2mm H:146±0.3mm |
| Optimum Working Temp | 10℃~35℃ |
| Allowable Charging Temp | 0℃~55℃ |
| Allowable Discharging Temp | -30℃~60℃ |
| Cycle Life | 2000 cycles |
Product Advantages
Excellent low-temperature adaptability: Operable discharge at -30℃ and retains over 55% rated capacity, ideal for cold-region EV equipment.
Ultra-long service lifespan: 2000 normal-temperature cycles plus 8-year calendar life, greatly reducing later replacement cost.
High energy density design: ≥158Wh/kg gravimetric energy density, effectively save internal installation space of battery pack.
Outstanding comprehensive safety: Pass acupuncture, extrusion, overcharge & short-circuit tests without combustion or explosion risk.
Stable electrical performance: Consistent internal resistance, small voltage fluctuation during high-current pulse discharge.
Flexible charging scheme: Support slow constant-current charging and temperature-based step fast charging for diverse usage scenarios.
Application Field
This High Energy Density 21Ah Square LFP Battery Cell is exclusively matched for light-duty small electric mobility equipment, no passenger new energy car application, detailed scenarios as below：
Foldable Electric Scooters: Main power source for street folding scooters, off-road high-power e-scooter, dualtron mini lightweight scooter, widely used for daily short-distance urban commuting.
Elderly Mobility Scooters & Low-speed Walkers: Core battery for 3-wheel & 4-wheel elder mobility vehicles, household small disability walking car, daily shopping short-range transportation.
Light Electric Bikes & Mini Tricycles: Perfect for 2-wheeler city electric bicycles, small cargo mini electric tricycles used for grocery delivery and short-distance goods hauling.
Our Services
Custom OEM & ODM Support: Provide personalized battery pack scheme design based on customers’ required voltage, capacity and installation size. Our technical team assists in BMS matching, internal wiring layout and shell customization.
Bulk Wholesale Service: Competitive factory direct price for large batch orders, flexible order quantity to satisfy small trial order and mass procurement demands.
Technical After-sales Guidance: Free parameter consultation, charging parameter setting guidance and PACK assembly technical support online all day.
Strict Pre-shipment Inspection: Every cell goes through capacity, voltage and internal resistance testing before delivery to filter defective products.
Global Logistics Arrangement: Cooperate with multiple reliable freight forwarders to arrange sea, air and express delivery for worldwide customers.
Packaging & Shipping
Our Company
Anhui Likeminded New Energy Technology Co., Ltd. is a leading comprehensive new energy manufacturer and supplier based in Hefei, Anhui Province, China. We specialize in the R&D, manufacturing, and sales of lithium-ion cells, battery modules, energy storage batteries, solar panels, inverters, and UPS systems, with a complete industrial chain covering everything from core component production to finished product integration.
Our core advantage lies in high-quality new energy products with stable performance, which have been widely applied in electric scooters, electric golf carts, forklifts, residential energy storage, commercial backup power, and off-grid power systems. Supported by standardized production workshops, advanced automated assembly lines, and a full set of quality testing equipment, we maintain a stable monthly production capacity to meet both small-batch customized orders and large-scale bulk deliveries. Strict ISO quality management systems are implemented throughout every production process.
Our core team consists of industry professionals with over 10 years of experience in the new energy sector, supported by a dedicated international marketing and technical team. We provide one-stop customized solutions, with OEM/ODM services available to adapt products to different regional standards and application scenarios. Flexible low MOQ and pre-production sample testing are also offered to support your project validation.
All our products undergo rigorous multi-stage quality testing and inspection, ensuring stable performance and long-term reliability. We provide comprehensive after-sales support to address any technical or quality concerns, giving you peace of mind with every purchase.
Contact us carolinekang@like-minded.com.cn today with your forklift model and requirements for a customized quotation! Let our reliable lithium battery for electric forklift power your operations.
Call/WhatsApp: +86 17705510726
FAQ
Q1: What charging options does this 21Ah LFP cell support?
A: It supports conventional slow charging and temperature segmented step fast charging, and fast-charging current will change according to ambient temperature.
Q2: Is continuous charging available below 0℃?
A: Discharge can work down to -30℃, but continuous charging below 0℃ is strictly prohibited to protect cell lifespan.
Q3: How much capacity remains under extreme low temperature of -30℃?
A: Under -30℃ environment with 1C discharge, the cell can keep more than 55% of its nominal rated capacity.
Q4: What is the normal cycle life of this lithium cell?
A: It reaches 2000 cycles at 25℃ and 1000 cycles at 45℃ with 80% remaining capacity; calendar service life can reach 8 years under standard storage condition.
Q5: What is the proper SOC for long-term storage?
A: Long-term storage needs to keep SOC between 30%~50%, and regular full charge-discharge once every 3 months.
Q6: Can these cells pass strict safety destructive tests?
A: Yes, all cells finish overcharge, short circuit, needle prick, extrusion, high temperature heating and other safety tests without fire or explosion.
Q7: Do you accept customized PACK solution for these cells?
A: We provide OEM & ODM customized pack design service according to customers’ actual voltage and capacity demands.
Q8: What’s the maximum allowed working temperature during discharge?
A: The highest allowed core temperature is 60℃ when discharging, stop using once over the limit value.
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