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Lithium Ion Cell 105556 3.7v 4000mAh 14.8wh Rechargeable Lithium Ion Polymer Battery

Lithium Ion Cell 105556 3.7v 4000mAh 14.8wh Rechargeable Lithium Ion Polymer Battery

Brand Name: RESKY
Model Number: LP105556
MOQ: 100pcs
Price: Negotiable
Packaging Details: Paper box
Payment Terms: Western Union,T/T
Detail Information
Place of Origin:
China
Certification:
CE, RoHS, MSDS, Un38.3
Working Voltage:
3.7V
Discharge Rate:
Low Discharge Rate
Electrolyte:
Li(Nicomn)O2
Nominal Capacity:
4000mAh
Weight:
43G
Cycle Life:
500cycles
Warranty:
12months
Shipping:
UPS, DHL, FedEx, TNT, By Air, By Sea, Special Line
Specification:
10*55*56mm
HS Code:
8507600090
Supply Ability:
30000pcs/day
Highlight:

105556 Lithium Ion Cell

,

4000mAh Lithium Ion Cell

,

14.8wh Lithium Ion Cell

Product Description
Lithium Ion Cell 105556 3.7v 4000mAh 14.8wh Rechargeable Lithium Ion Polymer Battery
Product Specifications
Attribute Value
Working voltage 3.7V
Discharge Rate Low Discharge Rate
Electrolyte Li(Nicomn)O2
Nominal Capacity 4000mAh
Weight 43G
Cycle Life 500cycles
Warranty 12months
Shipping UPS, DHL, FedEx, TNT, by Air, by Sea, Special Line
Specification 10*55*56mm
HS Code 8507600090
Technical Details
NO. Items Specifications
1 Batteries 3.7V 4000mAh lipo battery
2 Charge voltage 4.2V
3 Nominal voltage 3.7V
4 Nominal capacity 4000mAh 0.2C Discharge
5 Charge current Standard Charging: 0.2C
Rapid charge: 1.0C
6 Standard Charging method 0.5C CC(constant current) charge to 4.2V, then CV(constant voltage 4.2V) charge till charge current decline to ≤0.05C
7 Charging time Standard Charging: 2.75hours(Ref.)
Rapid charge: 2hours(Ref.)
8 Max.charge current 0.5C
9 Max.discharge current 1.0C
10 Discharge cut-off voltage 2.5V±0.25V(0.2C)
11 Operating temperature Charging: 0°C ~45°C
Discharging: 0°C ~45°C
12 Storage temperature -10°C~ +45°C
13 Dimension Length: 56±0.5mm (not including tabs)
Width: 55±0.5mm
Thickness: 10±0.2mm
14 Drop Test The cell is to be dropped from a height of meter twice onto concrete ground. No fire, no leakage
15 Cycle time ≥800times
Battery Technology Comparison
Safety

Li-Po: Safer than liquid Li-ion due to solid/polymer electrolyte (reduced risk of leakage). Vulnerable to swelling if overcharged; requires protective circuits.

Cylindrical Li-ion: Liquid electrolyte poses a higher risk of thermal runaway or explosion under abuse (e.g., overheating, short circuits). Metal casing provides mechanical protection but traps heat.

LiFePO₄: Best thermal stability (high decomposition temperature, ~510°C vs. ~200°C for NMC). Lowest risk of fire/explosion; no cobalt/nickel toxicity.

Cycle Life

Li-Po: 300-500 cycles (depends on depth of discharge; shorter with frequent full discharges).

Cylindrical Li-ion: 500-1,000 cycles (longer with NCA/NMC chemistries in EVs).

LiFePO₄: 2,000-5,000+ cycles (longest lifespan, ideal for frequent charging/discharging).

Temperature Performance

Li-Po: Operates well in moderate temperatures (0-60°C); sensitive to extreme cold/heat.

Cylindrical Li-ion: Similar to Li-Po but slightly better high-temperature tolerance in metal casings.

LiFePO₄: Performs best in wide temperature ranges (−20°C to 60°C), with minimal capacity loss in cold climates.

Weight & Design

Li-Po: Lightest and most flexible; used in devices requiring custom shapes (wearables, thin gadgets).

Cylindrical Li-ion: Rigid and heavier per capacity; standardized sizes (18650) enable easy integration into large packs (e.g., laptops, EVs).

LiFePO₄: Slightly heavier than Li-Po but lighter than some cylindrical Li-ion in pouch form; less design flexibility than Li-Po.

Cost

Li-Po: Moderate to high (due to cobalt/nickel content and custom manufacturing).

Cylindrical Li-ion: High for premium cells (e.g., NCA) but cost-effective at scale (common in EVs).

LiFePO₄: Lowest cost (cobalt/nickel-free materials, simpler manufacturing; ideal for large-scale energy storage).

Typical Applications

Li-Po: Portable electronics (smartphones, tablets, wearables), drones, RC toys, and thin devices needing flexible power.

Cylindrical Li-ion: Electric vehicles (Tesla's 21700 cells), laptops, power tools, and large energy storage systems (due to standardized sizes and high energy density).

LiFePO₄: Electric buses, e-bikes, solar/wind energy storage, backup power, and applications prioritizing safety and long life (e.g., marine, grid storage).

Product Images
Good price  online

Products Details

Home > Products >
Lithium Polymer Battery Cell
>
Lithium Ion Cell 105556 3.7v 4000mAh 14.8wh Rechargeable Lithium Ion Polymer Battery

Lithium Ion Cell 105556 3.7v 4000mAh 14.8wh Rechargeable Lithium Ion Polymer Battery

Brand Name: RESKY
Model Number: LP105556
MOQ: 100pcs
Price: Negotiable
Packaging Details: Paper box
Payment Terms: Western Union,T/T
Detail Information
Place of Origin:
China
Brand Name:
RESKY
Certification:
CE, RoHS, MSDS, Un38.3
Model Number:
LP105556
Working Voltage:
3.7V
Discharge Rate:
Low Discharge Rate
Electrolyte:
Li(Nicomn)O2
Nominal Capacity:
4000mAh
Weight:
43G
Cycle Life:
500cycles
Warranty:
12months
Shipping:
UPS, DHL, FedEx, TNT, By Air, By Sea, Special Line
Specification:
10*55*56mm
HS Code:
8507600090
Minimum Order Quantity:
100pcs
Price:
Negotiable
Packaging Details:
Paper box
Delivery Time:
7-10days
Payment Terms:
Western Union,T/T
Supply Ability:
30000pcs/day
Highlight:

105556 Lithium Ion Cell

,

4000mAh Lithium Ion Cell

,

14.8wh Lithium Ion Cell

Product Description
Lithium Ion Cell 105556 3.7v 4000mAh 14.8wh Rechargeable Lithium Ion Polymer Battery
Product Specifications
Attribute Value
Working voltage 3.7V
Discharge Rate Low Discharge Rate
Electrolyte Li(Nicomn)O2
Nominal Capacity 4000mAh
Weight 43G
Cycle Life 500cycles
Warranty 12months
Shipping UPS, DHL, FedEx, TNT, by Air, by Sea, Special Line
Specification 10*55*56mm
HS Code 8507600090
Technical Details
NO. Items Specifications
1 Batteries 3.7V 4000mAh lipo battery
2 Charge voltage 4.2V
3 Nominal voltage 3.7V
4 Nominal capacity 4000mAh 0.2C Discharge
5 Charge current Standard Charging: 0.2C
Rapid charge: 1.0C
6 Standard Charging method 0.5C CC(constant current) charge to 4.2V, then CV(constant voltage 4.2V) charge till charge current decline to ≤0.05C
7 Charging time Standard Charging: 2.75hours(Ref.)
Rapid charge: 2hours(Ref.)
8 Max.charge current 0.5C
9 Max.discharge current 1.0C
10 Discharge cut-off voltage 2.5V±0.25V(0.2C)
11 Operating temperature Charging: 0°C ~45°C
Discharging: 0°C ~45°C
12 Storage temperature -10°C~ +45°C
13 Dimension Length: 56±0.5mm (not including tabs)
Width: 55±0.5mm
Thickness: 10±0.2mm
14 Drop Test The cell is to be dropped from a height of meter twice onto concrete ground. No fire, no leakage
15 Cycle time ≥800times
Battery Technology Comparison
Safety

Li-Po: Safer than liquid Li-ion due to solid/polymer electrolyte (reduced risk of leakage). Vulnerable to swelling if overcharged; requires protective circuits.

Cylindrical Li-ion: Liquid electrolyte poses a higher risk of thermal runaway or explosion under abuse (e.g., overheating, short circuits). Metal casing provides mechanical protection but traps heat.

LiFePO₄: Best thermal stability (high decomposition temperature, ~510°C vs. ~200°C for NMC). Lowest risk of fire/explosion; no cobalt/nickel toxicity.

Cycle Life

Li-Po: 300-500 cycles (depends on depth of discharge; shorter with frequent full discharges).

Cylindrical Li-ion: 500-1,000 cycles (longer with NCA/NMC chemistries in EVs).

LiFePO₄: 2,000-5,000+ cycles (longest lifespan, ideal for frequent charging/discharging).

Temperature Performance

Li-Po: Operates well in moderate temperatures (0-60°C); sensitive to extreme cold/heat.

Cylindrical Li-ion: Similar to Li-Po but slightly better high-temperature tolerance in metal casings.

LiFePO₄: Performs best in wide temperature ranges (−20°C to 60°C), with minimal capacity loss in cold climates.

Weight & Design

Li-Po: Lightest and most flexible; used in devices requiring custom shapes (wearables, thin gadgets).

Cylindrical Li-ion: Rigid and heavier per capacity; standardized sizes (18650) enable easy integration into large packs (e.g., laptops, EVs).

LiFePO₄: Slightly heavier than Li-Po but lighter than some cylindrical Li-ion in pouch form; less design flexibility than Li-Po.

Cost

Li-Po: Moderate to high (due to cobalt/nickel content and custom manufacturing).

Cylindrical Li-ion: High for premium cells (e.g., NCA) but cost-effective at scale (common in EVs).

LiFePO₄: Lowest cost (cobalt/nickel-free materials, simpler manufacturing; ideal for large-scale energy storage).

Typical Applications

Li-Po: Portable electronics (smartphones, tablets, wearables), drones, RC toys, and thin devices needing flexible power.

Cylindrical Li-ion: Electric vehicles (Tesla's 21700 cells), laptops, power tools, and large energy storage systems (due to standardized sizes and high energy density).

LiFePO₄: Electric buses, e-bikes, solar/wind energy storage, backup power, and applications prioritizing safety and long life (e.g., marine, grid storage).

Product Images