Key differences between Lithium-ion and polymer batteries

Lithium-ion and polymer batteries are two popular rechargeable batteries used in various electronic devices. While they share similarities in their underlying chemistry and application, key differences exist between the two technologies.

Chemistry:

Lithium-ion batteries typically use a liquid electrolyte, whereas lithium polymer batteries utilize a solid or gel-like electrolyte. This difference in electrolyte composition contributes to variations in battery design and performance.

Physical Structure:

Lithium-ion batteries often consist of cylindrical or prismatic cells with a rigid structure and metal casing. In contrast, lithium polymer batteries feature a flexible and lightweight pouch or polymer casing, allowing for more versatile and space-efficient designs.

Energy Density:

Lithium polymer batteries have a higher energy density than traditional lithium-ion batteries. This means they can store more energy per unit volume or weight, making them ideal for slim and compact devices with limited space.

Shape and Form Factor:

Lithium polymer batteries offer greater flexibility in shape and form factor, as they can be molded into various shapes to fit specific device designs. This flexibility enables manufacturers to create thinner and lighter products with customized battery shapes.

Safety:

Both lithium-ion and lithium-polymer batteries are generally considered safe when handled properly. However, lithium polymer batteries are often perceived as safer because they use a solid or gel-like electrolyte, which reduces the risk of electrolyte leakage and thermal runaway.

Performance:

Lithium polymer batteries may exhibit slightly lower internal resistance and higher discharge rates compared to traditional lithium-ion batteries. This can result in improved power delivery and better performance in high-drain applications such as electric vehicles and drones.

In summary, while lithium-ion and polymer batteries share many similarities, including their use of lithium-based chemistries and rechargeable nature, they differ in physical structure, energy density, form factor, and performance characteristics. The choice between the two depends on specific application requirements, such as size, weight, energy density, and performance considerations.

LiPol manufacturers offer both lithium-ion and lithium-polymer batteries. LiPol provides customized battery solutions tailored to your specific needs. We offer the flexibility to add features like PCM, wires, and connectors to your battery and assemble them in either series or parallel configurations. Whether you require a specific size, capacity, or shape for your battery, we can customize it to meet your requirements.

LiPol has got you covered with its fantastic range of lithium polymer batteries. These batteries are incredibly popular and a best-seller. You’ll definitely want to check out their standout products, which include:

LiPol offers a range of reliable lithium polymer batteries suitable for various applications. LiPol’s round lithium polymer battery is perfect for compact electronics. LiPol’s smallest micro lithium polymer battery has superior energy density and reliability. For high-performance applications, LiPol’s Highest Amperage 18650 Li-ion Battery is an excellent choice; our best Li-ion Battery 3500mAh is already authrized With IEC62133-2017 & UN38.3 certificate. LiPol’s high-capacity lithium polymer battery has a 10Ah rating, and the high-rate LiPo battery delivers exceptional power output.

LiPol produces lithium polymer batteries for consumer electronics, medical devices, and industrial equipment. The batteries are known for their performance, reliability, and innovation. LiPol stays at the forefront of the rechargeable battery industry by pushing the boundaries of what’s possible. Their batteries provide power for both businesses and individuals.

Lithium Polymer Battery News

As a leading lithium polymer battery manufacturer, LiPol is committed to providing our customers with top-quality lithium polymer batteries and expert advice.

What is PCM in LiPo Battery

by Lithium Polymer Batteries | Mar 5, 2026 | Lithium Polymer Battery News

What is PCM in LiPo Battery What is a PCM?A PCM (Protection Circuit Module) is a small electronic board wired directly to the battery cell. Because lithium-based batteries are chemically volatile if pushed outside their comfort zone, the PCM monitors the cell's status...

Why MOQ Starts at 5K for Custom Lithium Polymer Batteries

by Lithium Polymer Batteries | Apr 3, 2025 | Lithium Polymer Battery News

Why MOQ Starts at 5K for Custom Lithium Polymer Batteries Custom lithium polymer batteries are the backbone of innovative devices, from medical wearables to advanced drones. However, manufacturers typically require a minimum order quantity (MOQ) of 5,000 pieces or...

Lithium Polymer Battery tolerances

by Lithium Polymer Batteries | Apr 1, 2025 | Lithium Polymer Battery News

Lithium Polymer Battery tolerances ±0.3mm thickness, ±0.5mm width, and ±1mm length—are foundational to their reliability and safety. While swelling remains an inherent challenge, understanding its causes and adhering to manufacturing and usage best practices can...

« Older Entries

Li-ion Battery

Best Lithium-ion Battery.
LiPol Manufacturer Supply kinds of Rechargeable lithium-ion batteries.
Meet Your Different Needs by Assembling the Li-ion 18650 Battery in Series and Parallel.
Customized Your Li-ion 18650 Battery in Any Size, Capacity, and Shape.
Best Li-ion 18650 LiPo Batteries Manufacturer.
LiPol manufacturers offer both lithium-ion batteries and lithium-polymer batteries.

highest-amperage-18650-li-ion-battery

Li-ion Battery

LiPol Manufacturer Supply kinds of Rechargeable lithium-ion batteries, such as Lithium-Ion Battery LP18650(diameter 18mm, length 65mm), Lithium-Ion Battery LP26650(diameter 26mm, length 65mm), Lithium-Ion Battery LP21700(diameter 21mm, length 70mm).

Model	Voltage	Capacity	Dimension
LP18650P	3.7V	3000 mAh	18.5*70 mm
LP18650S	3.7V	3350 mAh	18.5*70 mm
LP18650D	3.7V	2200 mAh	18.5*70 mm
LP18650C	3.7V	2600 mAh	18.5*70 mm
LP18650B	3.7V	2800 mAh	18.5*70 mm
LP18650A	3.7V	3200 mAh	18.5*70 mm
LP18650A+	3.7V	3500 mAh	18.5*70 mm
-
LP18650P 2P	3.7V	6000 mAh	193767 mm
LP18650S 2P	3.7V	6700 mAh	193767 mm
LP18650D 2P	3.7V	4400 mAh	193767 mm
LP18650C 2P	3.7V	5200 mAh	193767 mm
LP18650B 2P	3.7V	5600 mAh	193767 mm
LP18650A 2P	3.7V	6400 mAh	193767 mm
LP18650A+ 2P	3.7V	7000 mAh	193767 mm
-
LP18650P 3P	3.7V	9000 mAh	195670 mm
LP18650S 3P	3.7V	10050 mAh	195670 mm
LP18650D 3P	3.7V	6600 mAh	195670 mm
LP18650C 3P	3.7V	7800 mAh	195670 mm
LP18650B 3P	3.7V	8400 mAh	195670 mm
LP18650A 3P	3.7V	9600 mAh	195670 mm
LP18650A+ 3P	3.7V	10500 mAh	195670 mm
-
LP18650P 2S	7.4 V	3000 mAh	193767 mm
LP18650S 2S	7.4 V	3350 mAh	193767 mm
LP18650D 2S	7.4 V	2200 mAh	193767 mm
LP18650C 2S	7.4 V	2600 mAh	193767 mm
LP18650B 2S	7.4 V	2800 mAh	193767 mm
LP18650A 2S	7.4 V	3200 mAh	193767 mm
LP18650A+ 2S	7.4 V	3500 mAh	193767 mm
-
LP18650P 3S	11.1 V	3000 mAh	195670 mm
LP18650S 3S	11.1 V	3350 mAh	195670 mm
LP18650D 3S	11.1 V	2200 mAh	195670 mm
LP18650C 3S	11.1 V	2600 mAh	195670 mm
LP18650B 3S	11.1 V	2800 mAh	195670 mm
LP18650A 3S	11.1 V	3200 mAh	195670 mm
LP18650A+ 3S	11.1 V	3500 mAh	195670 mm

LP26650A	3.6V	5000mAh	26*65 mm
LP26650B	3.6V	4500mAh	26*65 mm
LP26650C	3.6V	4000mAh	26*65 mm

LP21700A+	3.7V	5000mAh	21*70 mm
LP21700A	3.7V	4800mAh	21*70 mm
LP21700B	3.7V	4500mAh	21*70 mm
LP21700C	3.7V	4000mAh	21*70 mm

Popular Rechargeable Lithium Polymer Batteries

30 Years Battery Expert, Competitive Price with High Quality. Reliable Leading Rechargeable Lithium Polymer Batteries Manufacturer

Lithium Polymer Batteries from 100mAh to 1000mAh

Those hot-selling rechargeable Lithium Polymer Batteries from 100mAh to 1000Ah are used for small-scale projects to industrial applications; choose LiPol Battery Co., Ltd. for reliable and customizable battery solutions that drive your success.

Model	Capacity	T	W	L
LP132840	1250	13	28	40
LP123450	1600	12	34	50
LP123235	1700	12	32	35
LP122940	1750	12	29	40
LP122940	1800	12	29	40
LP122542	1100	12	25	42
LP122056	1300	12	20	56
LP122222	280	12	22	22
LP122735	950	12	27	35
LP113636	1450	11	36	36
LP113445	1800	11	34	45
LP113450	1800	11	34	50
LP113539	1850	11	35	39
LP113539	1900	11	35	39
LP113439	1950	11	34	39
LP113735	1950	11	37	35
LP111844	840	11	18	44
LP102649	1100	10	26	49
LP102649	1350	10	26	49
LP103244	1600	10	32	44
LP103245	1600	10	32	45
LP104135	1650	10	41	35
LP103447	1800	10	34	47
LP103448	1800	10	34	48
LP103840	1800	10	38	40
LP104040	1600	10	40	40
LP101719	180	10	17	19
LP993450	1900	9.9	34	50
LP983443	1650	9.8	34	43
LP983048	1950	9.8	30	48
LP982075	1500	9.8	20	75
LP963735	1700	9.6	37	35
LP953636	1450	9.5	36	36
LP952766	1950	9.5	27	66
LP923247	1600	9.2	32	47
LP903446	1850	9	34	46
LP901540	450	9	15	40
LP902527	550	9	25	27
LP901856	700	9	18	56
LP902929	700	9	29	29
LP903036	850	9	30	36
LP883352	1500	8.8	33	52
LP883540	1550	8.8	35	40
LP883440	1560	8.8	34	40
LP862548	1050	8.6	25	48
LP861633	380	8.6	16	33
LP853437	1200	8.5	34	37
LP853450	1500	8.5	34	50
LP852766	1600	8.5	27	66
LP852548	1050	8.5	25	48
LP851532	320	8.5	15	32
LP852029	400	8.5	20	29
LP851740	520	8.5	17	40
LP851742	630	8.5	17	42
LP844143	1950	8.4	41	43
LP833444	1600	8.3	34	44
LP832937	950	8.3	29	37
LP823735	1400	8.2	37	35
LP822750	1450	8.2	27	50
LP821520	180	8.2	15	20
LP813846	1750	8.1	38	46
LP803048	1200	8	30	48
LP803040	1220	8	30	40
LP803447	1250	8	34	47
LP802650	1450	8	26	50
LP803454	1800	8	34	54
LP804439	1900	8	44	39
LP803060	1370	8	30	60
LP803365	1800	8	33	65
LP801620	185	8	16	20
LP801624	190	8	16	24
LP801740	410	8	17	40
LP801637	450	8	16	37
LP801452	500	8	14	52
LP801640	500	8	16	40
LP801844	580	8	18	44
LP802060	900	8	20	60
LP792661	1500	7.9	26	61
LP793945	1900	7.9	39	45
LP783048	1120	7.8	30	48
LP783448	1300	7.8	34	48
LP783740	1300	7.8	37	40
LP783448	1320	7.8	34	48
LP784048	1800	7.8	40	48
LP773433	810	7.7	34	33
LP762636	900	7.6	26	36
LP763248	1300	7.6	32	48
LP763860	1900	7.6	38	60
LP753336	1250	7.5	33	36
LP755542	1250	7.5	55	42
LP753646	1450	7.5	36	46
LP753846	1580	7.5	38	46
LP753444	1000	7.5	34	44
LP751723	200	7.5	17	23
LP751335	280	7.5	13	35
LP751245	350	7.5	12	45
LP751345	400	7.5	13	45
LP752040	400	7.5	20	40
LP752045	520	7.5	20	45
LP744241	1800	7.4	42	41
LP744648	1950	7.4	46	48
LP742040	450	7.4	20	40
LP742337	700	7.4	23	37
LP733048	1450	7.3	30	48
LP734542	1950	7.3	45	42
LP731935	400	7.3	19	35
LP722768	1650	7.2	27	68
LP722982	1750	7.2	29	82
LP722588	1850	7.2	25	88
LP722685	1850	7.2	26	85
LP721238	270	7.2	12	38
LP721570	750	7.2	15	70
LP714542	1170	7.1	45	42
LP713445	1480	7.1	34	45
LP714040	1500	7.1	40	40
LP714050	1800	7.1	40	50
LP702535	600	7	25	35
LP703035	800	7	30	35
LP702840	900	7	28	40
LP703440	1150	7	34	40
LP703048	1200	7	30	48
LP703736	1220	7	37	36
LP703744	1350	7	37	44
LP703740	1380	7	37	40
LP703445	1450	7	34	45
LP704344	1800	7	43	44
LP704541	1800	7	45	41
LP702080	1000	7	20	80
LP703447	1200	7	34	47
LP703075	1500	7	30	75
LP704050	1500	7	40	50
LP703480	1600	7	34	80
LP701241	280	7	12	41
LP701335	300	7	13	35
LP701340	320	7	13	40
LP701436	320	7	14	36
LP701245	330	7	12	45
LP701442	350	7	14	42
LP701935	400	7	19	35
LP701838	450	7	18	38
LP701742	460	7	17	42
LP703640	950	7	36	40
LP682747	1000	6.8	27	47
LP683046	1000	6.8	30	46
LP683048	1100	6.8	30	48
LP684048	1500	6.8	40	48
LP684049	1550	6.8	40	49
LP684050	1550	6.8	40	50
LP684060	1780	6.8	40	60
LP684155	1800	6.8	41	55
LP683554	1900	6.8	35	54
LP673843	1480	6.7	38	43
LP674442	1750	6.7	44	42
LP674345	1930	6.7	43	45
LP663842	1400	6.6	38	42
LP663843	1460	6.6	38	43
LP663843	1480	6.6	38	43
LP664144	1650	6.6	41	44
LP653736	1150	6.5	37	36
LP653048	1200	6.5	30	48
LP653450	1200	6.5	34	50
LP654437	1250	6.5	44	37
LP653740	1280	6.5	37	40
LP652885	1500	6.5	28	85
LP654144	1650	6.5	41	44
LP653543	1100	6.5	35	43
LP653365	1200	6.5	33	65
LP652865	1300	6.5	28	65
LP651730	180	6.5	17	30
LP651340	270	6.5	13	40
LP651243	290	6.5	12	43
LP651644	400	6.5	16	44
LP643450	1200	6.4	34	50
LP643956	1500	6.4	39	56
LP645136	1500	6.4	51	36
LP644446	1660	6.4	44	46
LP633046	1000	6.3	30	46
LP633449	1200	6.3	34	49
LP633650	1400	6.3	36	50
LP633750	1400	6.3	37	50
LP633967	1450	6.3	39	67
LP623536	900	6.2	35	36
LP624049	1500	6.2	40	49
LP624650	1800	6.2	46	50
LP623342	1050	6.2	33	42
LP621337	210	6.2	13	37
LP621447	380	6.2	14	47
LP613442	1150	6.1	34	42
LP613762	1950	6.1	37	62
LP602645	750	6	26	45
LP603055	1000	6	30	55
LP603448	1000	6	34	48
LP603838	1050	6	38	38
LP603648	1200	6	36	48
LP603450	1250	6	34	50
LP604145	1300	6	41	45
LP604542	1330	6	45	42
LP603952	1400	6	39	52
LP603756	1500	6	37	56
LP603759	1500	6	37	59
LP603660	1780	6	36	60
LP604260	1900	6	42	60
LP603462	1100	6	34	62
LP604048	1280	6	40	48
LP601337	190	6	13	37
LP604860	1950	6	48	60
LP601440	270	6	14	40
LP601245	280	6	12	45
LP601538	290	6	15	38
LP601752	500	6	17	52
LP601417	80	6	14	17
LP603042	800	6	30	42
LP592797	1300	5.9	27	97
LP593759	1350	5.9	37	59
LP593855	1600	5.9	38	55
LP594053	1950	5.9	40	53
LP582440	500	5.8	24	40
LP582850	830	5.8	28	50
LP583445	980	5.8	34	45
LP583445	1050	5.8	34	45
LP584138	1250	5.8	41	38
LP583758	1500	5.8	37	58
LP584450	1710	5.8	44	50
LP581541	230	5.8	15	41
LP582738	500	5.8	27	38
LP573246	1000	5.7	32	46
LP573040	500	5.7	30	40
LP563170	1900	5.6	31	70
LP553246	900	5.5	32	46
LP554648	1000	5.5	46	48
LP553248	1080	5.5	32	48
LP553450	1100	5.5	34	50
LP553649	1300	5.5	36	49
LP553759	1400	5.5	37	59
LP553652	1500	5.5	36	52
LP554068	1900	5.5	40	68
LP553560	1400	5.5	35	60
LP551245	220	5.5	12	45
LP552525	240	5.5	25	25
LP553825	500	5.5	38	25
LP553048	600	5.5	30	48
LP551220	65	5.5	12	20
LP543048	1000	5.4	30	48
LP543061	1350	5.4	30	61
LP533136	700	5.3	31	36
LP534740	1000	5.3	47	40
LP533477	1850	5.3	34	77
LP534758	1850	5.3	47	58
LP535058	1850	5.3	50	58
LP531434	205	5.3	14	34
LP523036	720	5.2	30	36
LP522272	1100	5.2	22	72
LP524460	1700	5.2	44	60
LP523860	1800	5.2	38	60
LP524658	1800	5.2	46	58
LP514568	1600	5.1	45	68
LP515570	1700	5.1	55	70
LP515476	1800	5.1	54	76
LP515479	1900	5.1	54	79
LP503450	900	5	34	50
LP503448	1000	5	34	48
LP504046	1050	5	40	46
LP502968	1200	5	29	68
LP503561	1200	5	35	61
LP504045	1200	5	40	45
LP503068	1500	5	30	68
LP504058	1500	5	40	58
LP504253	1500	5	42	53
LP504860	1500	5	48	60
LP504154	1550	5	41	54
LP505665	1550	5	56	115
LP503471	1600	5	34	71
LP504065	1600	5	40	65
LP504354	1650	5	43	54
LP503471	1800	5	34	71
LP503495	1850	5	34	95
LP504658	1980	5	46	58
LP506080	1930	5	60	80
LP501245	210	5	12	45
LP501630	210	5	16	30
LP501543	280	5	15	43
LP501738	280	5	17	38
LP501653	400	5	16	53
LP502240	450	5	22	40
LP502050	500	5	20	50
LP503045	650	5	30	45
LP493238	700	4.9	32	38
LP493975	1600	4.9	39	75
LP495055	1700	4.9	50	55
LP491730	200	4.9	17	30
LP483764	1400	4.8	37	64
LP484254	1450	4.8	42	54
LP483052	760	4.8	30	52
LP473040	580	4.7	30	40
LP474846	1530	4.7	48	46
LP474067	1750	4.7	40	67
LP464159	1590	4.6	41	59
LP454260	1400	4.5	42	60
LP454262	1450	4.5	42	62
LP454068	1850	4.5	40	68
LP452480	1000	4.5	24	80
LP451645	260	4.5	16	45
LP452050	340	4.5	20	50
LP453640	600	4.5	36	40
LP442982	1000	4.4	29	82
LP443565	1250	4.4	35	65
LP444261	1500	4.4	42	61
LP444958	1500	4.4	49	58
LP444763	1900	4.4	47	63
LP433438	750	4.3	34	38
LP436043	1400	4.3	60	43
LP435157	1600	4.3	51	57
LP436074	1700	4.3	60	74
LP424250	1150	4.2	42	50
LP422675	1180	4.2	26	75
LP423458	1280	4.2	34	58
LP425063	1600	4.2	50	63
LP425763	1600	4.2	57	63
LP424348	1000	4.2	43	48
LP414356	1000	4.1	43	56
LP413068	1200	4.1	30	68
LP414565	1550	4.1	45	65
LP414367	1800	4.1	43	67
LP414879	1800	4.1	48	79
LP412340	350	4.1	23	40
LP403035	430	4	30	35
LP404050	850	4	40	50
LP404149	1200	4	41	49
LP404655	1300	4	46	55
LP404265	1370	4	42	65
LP403578	1500	4	35	78
LP405070	1500	4	50	70
LP405465	1500	4	54	65
LP406063	1550	4	60	63
LP404860	1600	4	48	60
LP404668	1850	4	46	68
LP4027110	1000	4	27	110
LP403496	1550	4	34	96
LP402340	350	4	23	40
LP393952	1150	3.9	39	52
LP382846	600	3.8	28	46
LP383759	1000	3.8	37	59
LP383759	1000	3.8	37	59
LP384354	1200	3.8	43	54
LP384074	1800	3.8	40	74
LP384377	1800	3.8	43	77
LP385085	1920	3.8	50	85
LP374249	900	3.7	42	49
LP373654	1000	3.7	36	54
LP374448	1020	3.7	44	48
LP373966	1200	3.7	39	66
LP374065	1220	3.7	40	65
LP373664	1250	3.7	36	64
LP374270	1400	3.7	42	70
LP363084	1100	3.6	30	84
LP365266	1350	3.6	52	66
LP362248	400	3.6	22	48
LP353955	1000	3.5	39	55
LP354350	1100	3.5	43	50
LP354081	1200	3.5	40	81
LP355268	1500	3.5	52	68
LP355659	1550	3.5	56	59
LP354271	1600	3.5	42	71
LP352044	270	3.5	20	44
LP353040	350	3.5	30	40
LP345367	1700	3.4	53	67
LP343994	1810	3.4	39	94
LP345054	900	3.4	50	54
LP333564	800	3.3	35	64
LP322988	1100	3.2	29	88
LP321026	40	3.2	10	26
LP315073	1500	3.1	50	73
LP304463	500	3	44	63
LP303947	700	3	39	47
LP303072	800	3	30	72
LP304466	1000	3	44	66
LP304093	1400	3	40	93
LP305070	1525	3	50	70
LP306262	1700	3	62	62
LP305673	1850	3	56	73
LP301643	160	3	16	43
LP302248	300	3	22	48
LP303046	400	3	30	46
LP298645	1400	2.9	86	45
LP295476	1500	2.9	54	76
LP295586	1850	2.9	55	86
LP284065	1000	2.8	40	65
LP266380	1650	2.6	63	80
LP256070	1200	2.5	60	70
LP255875	1500	2.5	58	75
LP245367	1000	2.4	53	67
LP202051	120	2.0	20	51
LP201570	140	2.0	15	70
LP158098	1220	1.5	80	98
LP1510192	1700	1.5	10	192
LP1496107	1500	1.4	96	107

Key differences between Lithium-ion and polymer batteries

Lithium Polymer Battery News

What is PCM in LiPo Battery

Why MOQ Starts at 5K for Custom Lithium Polymer Batteries

Lithium Polymer Battery tolerances

Li-ion Battery

Li-ion Battery

Popular Rechargeable Lithium Polymer Batteries

Lithium Polymer Batteries from 100mAh to 1000mAh

Lithium ion Polymer Battery

Popular Lithium Polymer Batteries