Product Information

I. Core Technical Specifications
Battery Type: Lithium Iron Phosphate Battery
Battery Model: LR1865EK
Nominal Capacity: 2000mAh (Min. 1900mAh)
Charging Voltage: 3.65V (≤3.68V for abnormal conditions)
Nominal Voltage: 3.20V @ 0.2C
Standard Charge: CCCV 0.2C (0.4A), 3.65V, 40mA cut-off (25℃, charging duration: 360min)
Fast Charge: CCCV 1C (2A), 3.65V, 40mA cut-off (25℃, charging duration: 70min)
Max Continuous Charging Current: 1.0C (2A)
Standard Discharge: 0.5C (1.0A) discharge to 2.0V
Max Continuous Discharging Current: 6A

Initial Internal Resistance: ≤40mΩ (25℃, tested by 1kHz AC)

II. Physical & Environmental Specifications
Dimension (with heat shrink sleeve): Diameter 18.4±0.2mm, Height 65.4±0.2mm
Bare Cell Weight: ≤44g
Operating Temperature: Charging 0℃~55℃, Discharging -20℃~60℃
Storage Temperature & Humidity (Shipment State ≤30% SOC):
1 month: -20℃~60℃ (≤65% RH)
3 months: -20℃~45℃ (≤65% RH)

12 months: -20℃~25℃ (≤65% RH)

III. Performance Specifications
Cycle Life: Remaining capacity ≥80% of the initial capacity after 1500 cycles (25℃, 1A charge, 2A discharge)
Rate Discharge Performance (vs. 0.2C capacity): 0.4A discharge 100%, 1.0A ≥98%, 2.0A ≥95%, 4.0A ≥90%, 6.0A ≥85%
Storage Performance: Recovered capacity ≥95% of the initial capacity after storage at 25℃ for 28 days / 60℃ for 7 days

Temperature Discharge Performance (vs. capacity at 25℃): -20℃ ≥40%, -10℃ ≥60%, 0℃ ≥70%, 10℃ ≥80%, 25℃ 100%, 60℃ ≥95%

IV. Packaging & Shipment
Packaging Specification: 100 pcs/box, 2 boxes/carton (200 pcs total)
State of Charge (SOC) for Shipment: 10% - 40%

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