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18650 li-ion battery VS Lipo battery in Power bank application

2025-09-25

Energy Density and Volume:

The 18650 battery cell utilizes a cylindrical structure, boasting an energy density of up to 250Wh/kg. However, its bulk and fixed shape limit its lightweight and slim design. Polymer cells utilize an aluminum-plastic composite film package, allowing compression down to 0.5mm. These cells are 30% lighter than 18650 cells, offering greater flexibility in form factor and making them more suitable for thinner and lighter products.

Safety:

Due to their solid-state electrolyte, polymer cells offer better temperature control (within 60°C) during penetration tests and feature a more comprehensive overcharge protection circuit. The steel-cased structure of the 18650 cell poses a risk of short circuits, but newer generations have enhanced safety through technologies such as PTC fuses.

Low-Temperature Performance:

Polymer cells can experience a 40% drop in discharge efficiency at -10°C, while 18650 cells maintain a more stable low-temperature performance. ‌

Cycle Life:

Polymer cells have a longer cycle life (600-1000 cycles) than 18650 cells (500-800 cycles), but in actual use, both experience increased capacity degradation over time. ‌

Cost and Market Positioning:

Due to the cost advantages of a mature supply chain, 18650 cells still hold a 60% share of the low- and mid-range markets; polymer cells are primarily used in high-end products.

Rincian berita

Rumah > Berita >

Berita Perusahaan Tentang-18650 li-ion battery VS Lipo battery in Power bank application

Acara

Berita

Kasus-kasus

18650 li-ion battery VS Lipo battery in Power bank application

2025-09-25

Energy Density and Volume:

Safety:

Low-Temperature Performance:

Polymer cells can experience a 40% drop in discharge efficiency at -10°C, while 18650 cells maintain a more stable low-temperature performance. ‌

Cycle Life:

Polymer cells have a longer cycle life (600-1000 cycles) than 18650 cells (500-800 cycles), but in actual use, both experience increased capacity degradation over time. ‌

Cost and Market Positioning:

Due to the cost advantages of a mature supply chain, 18650 cells still hold a 60% share of the low- and mid-range markets; polymer cells are primarily used in high-end products.

Lithium Polymer Battery Cell

Baterai Litium RC

Paket Baterai Li-ion

Paket Baterai Litium Polimer

Baterai Lithium Pemanas

Baterai Sepeda Listrik

Pengisi daya keseimbangan RC

Pengisi daya baterai yang dapat diisi ulang

RC Aksesoris

Lithium Polymer Battery Cell

Baterai Litium RC

Paket Baterai Li-ion

Paket Baterai Litium Polimer

Baterai Lithium Pemanas

Baterai Sepeda Listrik

Pengisi daya keseimbangan RC

Pengisi daya baterai yang dapat diisi ulang

RC Aksesoris

Rincian berita

Berita Perusahaan Tentang 18650 li-ion battery VS Lipo battery in Power bank application

Berita

Kasus-kasus

18650 li-ion battery VS Lipo battery in Power bank application

Berita Perusahaan Tentang-18650 li-ion battery VS Lipo battery in Power bank application

Berita

Kasus-kasus

18650 li-ion battery VS Lipo battery in Power bank application