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{"title":"High Energy Density Special Battery Customized 3.7 V 2500mah 18650 Battery 500","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d3\/3f\/e85afe0ddd3c092b004421f2a192-200x200-1\/high_energy_density_special_battery_customized_3_7_v_2500mah_18650_battery_500_cycles.jpg","attrs":{"Brand Name":"OiD","Model Number":"INR18650L25A20","Certification":"BIS, KC, BSMI, CB, UL, CCC","Place of Origin":"China"}}
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{"title":"3C Discharge Special Battery 800 Cycles 21700 5000mAh Battery 3.6V","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/42\/0d\/bb5039f4c73f7e7f886cbc0f2482-200x200-1\/3c_discharge_special_battery_800_cycles_21700_5000mah_battery_3_6v.jpg","attrs":{"Certification":"Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.","Minimum Order Quantity":"100pcs","Brand Name":"OiD","Model Number":"INR21700L50JH"}}
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{"title":"Customized Special Battery 3.7V 11000mAh High Current Discharge Battery","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d3\/35\/8a30832d44c04cff6e86587b057c-200x200-1\/customized_special_battery_3_7v_11000mah_high_current_discharge_battery.jpg","attrs":{"Brand Name":"OiD","Model Number":"OiD1159156L11000","Certification":"Compliant with GB\/T 18287-2013, IEC\/EN 61960, and UL 1642 standards.","Place of Origin":"China"}}
Superior low-temperature performance: Maintains stable operation in extreme environments as low as -40°C, with capacity retention exceeding industry standards for harsh conditions .
Optimized for high-discharge applications (e.g., power tools, EVs) with minimal voltage drop under load.
Specifications
Item
Details
Nominal Voltage
3.6V
Rated Capacity
3000mAh (Min: 2900mAh)
Charge Voltage
4.2V (Limited), 4.05V for storage ≥60℃
Discharge Cut-off
2.5V (End), 2.0V (Absolute)
Max Continuous Charge
1C (3000mA) at 25±2℃
Max Continuous Discharge
30A (with 80℃ thermal cutoff)
Internal Resistance
≤18mΩ (at delivery)
Weight
≤46.5g
Dimensions
18.6mm (D) × 65.3mm (H) (Cylindrical)
Cycle Life
Test Condition
Cycles
Capacity Retention
0.5C Charge / 1C Discharge
500
≥70%
0.5C Charge / 15A Discharge
300
≥60%
Discharge Curve
Operating Temperature Range
Mode
Range
Notes
Charge
-20℃ to 60℃
Max charge current reduced at ≤0℃ or ≥45℃
Discharge
-40℃ to 80℃
Surface temperature ≤85℃; capacity drops to ~12% at -40℃
Storage
-40℃ to 80℃ (short-term), -20℃ to 25℃ (long-term)
≥60℃ storage requires voltage ≤4.05V
Certifications
Complies with UN38.3 (transport safety), CE, RoHS, and IEC 62133 (safety) standards
Key Features
High energy density: 544Wh/L (volumetric), 191Wh/kg (gravimetric) .
Fast charging: Supports 0.5C (1500mA) standard charge with 60mA cutoff.
Safety mechanisms: Passes external short-circuit, overcharge, and vibration tests per UN38.3
1
.
Applications
Electric vehicles (EVs), power tools, medical devices.
Energy storage systems (ESS), portable electronics.
Usage Warnings & Precautions
Do not weld within 2mm of negative terminal or on sidewalls.
Avoid charging below 0℃ or above 60℃ to prevent capacity loss .
Terminate discharge if surface temperature exceeds 85℃.
Storage Guidelines
Short-term (≤30 days): 3.50–3.60V at -40℃ to 80℃.
Long-term (≥6 months): 30–50% SOC at -20℃ to 25℃ for 80% capacity recovery .
Warranty & Disclaimer
1-year warranty against manufacturing defects.
Specifications subject to change without notice; verify with latest datasheet.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2020
Total Annual:
15000000-20000000
Employee Number:
300~500
Ecer Certification:
Verified Supplier
Our Mission: Original Innovation, Power the Future!
As a high-tech enterprise specializing in the R&D and manufacturing of lithium-ion batteries, sodium-ion batteries, and solid-state batteries. Founded in 2020 in Shenzhen, China’s innovation hub, we are driven by our core philosop... Our Mission: Original Innovation, Power the Future!
As a high-tech enterprise specializing in the R&D and manufacturing of lithium-ion batteries, sodium-ion batteries, and solid-state batteries. Founded in 2020 in Shenzhen, China’s innovation hub, we are driven by our core philosop...