3.7V Standard Li Polymer Battery 300mAh+

New authentic 300mAh+ li polymer battery with 10+ years of manufacturer production experience

Large stock of 300mAh+ li polymer batteries with or without PCM, NTC, customize the length of wires or cables, and battery connectors made by JST/Molex/Hirose in stock now

Battery List



Over 5000+ Models

Rich inventory in different size and capacity
one year of storage time and warranty
Excellent exceed cycle life:500 cycles≥ 80%



Great Full Service

4-7days LT & Delivery & 24hours Full Quotes
Customize service in any shape, capacity, and size
Accept small sample orders and bulk production



High Quality & Safety

Safe with Japan IC+MOS/ PCM/ NTC / Connector
All our li polymer battery has been fully rigorous test
Charge to 80% and 3.8~3.9V before shipping

3.7V Standard Li Polymer Battery 300mAh+

Low Price 300mAh+ rechargeable rectangular Li Polymer Battery Series: 300mAh+ 310mAh+ 320mAh+ 330mAh+ 340mAh+ 350mAh+ 360mAh+ 370mAh+ 380mAh+ 390mAh+ 395mAh

Quality Battery Manufacturer with support customizatio
Get the Best Power Solution within a Few Hours
Samples are available without custom made
Fast global shipping via UPS/DHL/Express
IEC 62133, UN38.3, CE, RoHS, REACH, MSDS, and so on.

We pay most attention to the quality and safety of our li-polymer battery. Even these low price rechargeable rectangular 300mAh+ Li Polymer Battery series.

With built-in protection circuit board for these batteries to prevent over-current, over-charge and discharge, short-circuit, and temperature control.

We have a large stock of finished lithium batteries, you don’t need to customize, you can find all the batteries you want here.

If you want to customize a special small lithium polymer battery, it’s also friendly for us.

We offer competitive prices whether it is a large or small sample order. When you order more, we will offer you a lot of discounts.

All we do what we want to help you to start your good idea.

Li Polymer Battery LP502035 3.7V 300mAh with PCM, Tab and wires

3.7V Li Polymer Battery LP502035 300mAh

Voltage&Capacity: 3.7V@300mAh
Configuration: 1S1P
Weight: appr. 6.0g
Wat-Hour Rating: 1.11Wh
Dimension: 5.0×20×35mm
With protection circuit and wires

Li Polymer Battery LP303035 3.7V 310mAh with protection circui, wires, and tab

3.7V Li Polymer Battery LP303035 310mAh

Voltage&Capacity: 3.7V@310mAh
Configuration: 1S1P
Weight: appr. 6.2g
Wat-Hour Rating: 1.174Wh
Dimension: 3.0×30×35mm
With protection circuit and wires

Li Polymer Battery LP402535 3.7V 320mAh with protection circuit, NTC, and wires

3.7V Li Polymer Battery LP402535 320mAh

Voltage&Capacity: 3.7V@320mAh
Configuration: 1S1P
Weight: appr. 6.4g
Wat-Hour Rating: 0.184Wh
Dimension: 4.0×25×35mm
With PCM, 10K NTC and wires

Li Polymer Battery LP552035 3.7V 340mAh with protection circuit, wires, connector

3.7V Li Polymer Battery LP552035 340mAh

Voltage&Capacity: 3.7V@340mAh
Configuration: 1S1P
Weight: appr. 6.8g
Wat-Hour Rating: 1.258Wh
Dimension: 5.5×20×35mm
With PCM, wires, JST 02SUR-32S

Li Polymer Battery LP423030 3.7V 350mAh with protection circuit, wires, and Tab

3.7V Li Polymer Battery LP423030 350mAh

Voltage&Capacity: 3.7V@350mAh
Configuration: 1S1P
Weight: appr. 7.0g
Wat-Hour Rating: 1.295Wh
Dimension: 4.2×30×30mm
With protection circuit and wires

Li Polymer Battery LP552530 3.7V 350mAh with PCM, NTC, Wires, connector

3.7V Li Polymer Battery LP552530 350mAh

Voltage&Capacity: 3.7V@350mAh
Configuration: 1S1P
Weight: appr. 7.0g
Wat-Hour Rating: 1.295Wh
Dimension: 5.5×25×30mm
With PCM, 10K NTC, wires, JST ACHR-03V-S(A)

Li Polymer Battery LP481449 3.7V 300mAh with protection circuit, wires and connector

3.7V Li Polymer Battery LP481449 300mAh

Voltage&Capacity: 3.7V@300mAh
Configuration: 1S1P
Weight: appr. 6.0g
Wat-Hour Rating: 1.11Wh
Dimension: 4.8×14×49mm
With PCM, 10K NTC, JST 02SUR-32S (B)

Li Polymer Battery LP402535 3.7V 320mAh with PCM, NTC, Wires, and connector

3.7V Li Polymer Battery LP402535 320mAh

Voltage&Capacity: 3.7V@320mAh
Configuration: 1S1P
Weight: appr. 6.4g
Wat-Hour Rating: 0.184Wh
Dimension: 4.0×25×35mm
with PCM, 10K NTC, and wires

Li Polymer Battery LP402933 3.7V 320mAh with PCM, NTC, Wires, connector

3.7V Li Polymer Battery LP402933 320mAh

Voltage&Capacity: 3.7V@320mAh
Configuration: 1S1P
Weight: appr. 6.4g
Wat-Hour Rating: 0.184Wh
Dimension: 4.0×29×33mm
With PCM, 10K NTC, Molex 51021-0300 (B)

Li Polymer Battery LP672030 3.7V 350mAh with protection circuit, wires and connector

3.7V Li Polymer Battery LP672030 350mAh

Voltage&Capacity: 3.7V@350mAh
Configuration: 1S1P
Weight: appr. 7.0g
Wat-Hour Rating: 1.295Wh
Dimension: 6.7×20×30mm
With PCM, 10K NTC, Molex 78172-0003(A)

Li Polymer Battery LP801730 3.7V 350mAh with protection circuit and wires

3.7V Li Polymer Battery LP801730 350mAh

Voltage&Capacity: 3.7V@350mAh
Configuration: 1S1P
Weight: appr. 7.0g
Wat-Hour Rating: 1.295Wh
Dimension: 8.0×17×30mm
With protection circuit and wirs

Li Polymer Battery LP283048 3.7V 380mAh without protection circuit, with wires

3.7V Li Polymer Battery LP283048 380mAh

Voltage&Capacity: 3.7V@380mAh
Configuration: 1S1P
Weight: appr. 7.6g
Wat-Hour Rating: 1.406Wh
Dimension: 2.8×30×48mm
With protection circuit and wires

3.7V Standard Li Polymer Battery List 300mAh+

Capacity from 300mAh to 395mAh, Thickness from 2.2mm to 12.0mm

Part Number	Capacity(mAh)	Length(mm)	Width(mm)	Thickness(mm)	Voltage(V)
LP223843	300	43	38	2.2	3.7
LP232575	300	75	25	2.3	3.7
LP233045	300	45	30	2.3	3.7
LP233545	300	45	35	2.3	3.7
LP233837	300	37	38	2.3	3.7
LP253040	300	40	30	2.5	3.7
LP253836	300	36	38	2.5	3.7
LP274330	300	30	43	2.7	3.7
LP274430	300	30	44	2.7	3.7
LP303040	300	40	30	3	3.7
LP332830	300	30	28	3.3	3.7
LP351560	300	60	15	3.5	3.7
LP352044	300	44	20	3.5	3.7
LP352828	300	28	28	3.5	3.7
LP353030	300	30	30	3.5	3.7
LP372835	300	35	28	3.7	3.7
LP373031	300	31	30	3.7	3.7
LP382829	300	29	28	3.8	3.7
LP383034	300	34	30	3.8	3.7
LP401750	300	50	17	4	3.7
LP402040	300	40	20	4	3.7
LP402045	300	45	20	4	3.7
LP402334	300	34	23	4	3.7
LP402534	300	34	25	4	3.7
LP402726	300	26	27	4	3.7
LP421266	300	66	12	4.2	3.7
LP422040	300	40	20	4.2	3.7
LP422533	300	33	25	4.2	3.7
LP431842	300	42	18	4.3	3.7
LP451165	300	65	11	4.5	3.7
LP451348	300	48	13	4.5	3.7
LP451350	300	50	13	4.5	3.7
LP451646	300	46	16	4.5	3.7
LP451835	300	35	18	4.5	3.7
LP452428	300	28	24	4.5	3.7
LP452530	300	30	25	4.5	3.7
LP452628	300	28	26	4.5	3.7
LP462622	300	22	26	4.6	3.7
LP471937	300	37	19	4.7	3.7
LP481449	300	49	14	4.8	3.7
LP481738	300	38	17	4.8	3.7
LP482530	300	30	25	4.8	3.7
LP501340	300	40	13	5	3.7
LP501450	300	50	14	5	3.7
LP501540	300	40	15	5	3.7
LP501838	300	38	18	5	3.7
LP502035	300	35	20	5	3.7
LP502128	300	28	21	5	3.7
LP502530	300	30	25	5	3.7
LP502622	300	22	26	5	3.7
LP512328	300	28	23	5.1	3.7
LP512521	300	21	25	5.1	3.7
LP521850	300	50	18	5.2	3.7
LP522328	300	28	23	5.2	3.7
LP542623	300	23	26	5.4	3.7
LP551834	300	34	18	5.5	3.7
LP562324	300	24	23	5.6	3.7
LP581735	300	35	17	5.8	3.7
LP582525	300	25	25	5.8	3.7
LP601248	300	48	12	6	3.7
LP601250	300	50	12	6	3.7
LP601635	300	35	16	6	3.7
LP601730	300	30	17	6	3.7
LP601833	300	33	18	6	3.7
LP602028	300	28	20	6	3.7
LP602030	300	30	20	6	3.7
LP602425	300	25	24	6	3.7
LP602525	300	25	25	6	3.7
LP621537	300	37	15	6.2	3.7
LP621727	300	27	17	6.2	3.7
LP641724	300	24	17	6.4	3.7
LP641727	300	27	17	6.4	3.7
LP652126	300	26	21	6.5	3.7
LP701248	300	48	12	7	3.7
LP701434	300	34	14	7	3.7
LP702025	300	25	20	7	3.7
LP702026	300	26	20	7	3.7
LP702276	300	76	22	7	3.7
LP751340	300	40	13	7.5	3.7
LP801530	300	30	15	8	3.7
LP101920	300	20	19	10	3.7
LP103836	300	36	38	10	3.7
LP113660	300	60	36	11	3.7
LP303035	310	35	30	3	3.7
LP342734	310	34	27	3.4	3.7
LP352534	310	34	25	3.5	3.7
LP372035	310	35	20	3.7	3.7
LP372735	310	35	27	3.7	3.7
LP452728	310	28	27	4.5	3.7
LP482424	310	24	24	4.8	3.7
LP572030	310	30	20	5.7	3.7
LP651537	310	37	15	6.5	3.7
LP651635	310	35	16	6.5	3.7
LP442630	315	30	26	4.4	3.7
LP233542	320	42	35	2.3	3.7
LP253242	320	42	32	2.5	3.7
LP312539	320	39	25	3.1	3.7
LP321672	320	72	16	3.2	3.7
LP321863	320	63	18	3.2	3.7
LP322544	320	44	25	3.2	3.7
LP322545	320	45	25	3.2	3.7
LP352544	320	44	25	3.5	3.7
LP353130	320	30	31	3.5	3.7
LP393027	320	27	30	3.9	3.7
LP402535	320	35	25	4	3.7
LP403030	320	30	30	4	3.7
LP422535	320	35	25	4.2	3.7
LP452533	320	33	25	4.5	3.7
LP462040	320	40	20	4.6	3.7
LP482429	320	29	24	4.8	3.7
LP491360	320	60	13	4.9	3.7
LP501738	320	38	17	5	3.7
LP501740	320	40	17	5	3.7
LP501839	320	39	18	5	3.7
LP501842	320	42	18	5	3.7
LP502230	320	30	22	5	3.7
LP552230	320	30	22	5.5	3.7
LP552622	320	22	26	5.5	3.7
LP572225	320	25	22	5.7	3.7
LP601733	320	33	17	6	3.7
LP602526	320	26	25	6	3.7
LP622030	320	30	20	6.2	3.7
LP651641	320	41	16	6.5	3.7
LP701438	320	38	14	7	3.7
LP701439	320	39	14	7	3.7
LP802027	320	27	20	8	3.7
LP822024	320	24	20	8.2	3.7
LP263247	330	47	32	2.6	3.7
LP272654	330	54	26	2.7	3.7
LP353040	330	40	30	3.5	3.7
LP422536	330	36	25	4.2	3.7
LP432827	330	27	28	4.3	3.7
LP461840	330	40	18	4.6	3.7
LP471360	330	60	13	4.7	3.7
LP502131	330	31	21	5	3.7
LP532033	330	33	20	5.3	3.7
LP552033	330	33	20	5.5	3.7
LP552426	330	26	24	5.5	3.7
LP651247	330	47	12	6.5	3.7
LP651248	330	48	12	6.5	3.7
LP651250	330	50	12	6.5	3.7
LP652223	330	23	22	6.5	3.7
LP671248	330	48	12	6.7	3.7
LP681245	330	45	12	6.8	3.7
LP681247	330	47	12	6.8	3.7
LP681248	330	48	12	6.8	3.7
LP701435	330	35	14	7	3.7
LP751435	330	35	14	7.5	3.7
LP751830	330	30	18	7.5	3.7
LP801626	330	26	16	8	3.7
LP852222	330	22	22	8.5	3.7
LP101626	330	26	16	10	3.7
LP121720	330	20	17	12	3.7
LP121820	330	20	18	12	3.7
LP322550	340	50	25	3.2	3.7
LP362630	340	30	26	3.6	3.7
LP381468	340	68	14	3.8	3.7
LP482725	340	25	27	4.8	3.7
LP551836	340	36	18	5.5	3.7
LP253549	350	49	35	2.5	3.7
LP303442	350	42	34	3	3.7
LP352545	350	45	25	3.5	3.7
LP362935	350	35	29	3.6	3.7
LP372927	350	27	29	3.7	3.7
LP373036	350	36	30	3.7	3.7
LP392234	350	34	22	3.9	3.7
LP402827	350	27	28	4	3.7
LP442336	350	36	23	4.4	3.7
LP452535	350	35	25	4.5	3.7
LP481547	350	47	15	4.8	3.7
LP482829	350	29	28	4.8	3.7
LP482830	350	30	28	4.8	3.7
LP502533	350	33	25	5	3.7
LP502825	350	25	28	5	3.7
LP522530	350	30	25	5.2	3.7
LP522824	350	24	28	5.2	3.7
LP531935	350	35	19	5.3	3.7
LP532035	350	35	20	5.3	3.7
LP551160	350	60	11	5.5	3.7
LP551263	350	63	12	5.5	3.7
LP552035	350	35	20	5.5	3.7
LP552234	350	34	22	5.5	3.7
LP562035	350	35	20	5.6	3.7
LP581838	350	38	18	5.8	3.7
LP582128	350	28	21	5.8	3.7
LP601338	350	38	13	6	3.7
LP601444	350	44	14	6	3.7
LP601447	350	47	14	6	3.7
LP601642	350	42	16	6	3.7
LP601735	350	35	17	6	3.7
LP601742	350	42	17	6	3.7
LP601836	350	36	18	6	3.7
LP652030	350	30	20	6.5	3.7
LP652330	350	30	23	6.5	3.7
LP652526	350	26	25	6.5	3.7
LP672030	350	30	20	6.7	3.7
LP682523	350	23	25	6.8	3.7
LP683221	350	21	32	6.8	3.7
LP701535	350	35	15	7	3.7
LP702028	350	28	20	7	3.7
LP731727	350	27	17	7.3	3.7
LP731836	350	36	18	7.3	3.7
LP751432	350	32	14	7.5	3.7
LP752624	350	24	26	7.5	3.7
LP753036	350	36	30	7.5	3.7
LP762323	350	23	23	7.6	3.7
LP792024	350	24	20	7.9	3.7
LP801540	350	40	15	8	3.7
LP802025	350	25	20	8	3.7
LP851535	350	35	15	8.5	3.7
LP851630	350	30	16	8.5	3.7
LP852024	350	24	20	8.5	3.7
LP852025	350	25	20	8.5	3.7
LP582424	355	24	24	5.8	3.7
LP233842	360	42	38	2.3	3.7
LP243843	360	43	38	2.4	3.7
LP351672	360	72	16	3.5	3.7
LP353035	360	35	30	3.5	3.7
LP372533	360	33	25	3.7	3.7
LP423030	360	30	30	4.2	3.7
LP452043	360	43	20	4.5	3.7
LP453030	360	30	30	4.5	3.7
LP482827	360	27	28	4.8	3.7
LP501550	360	50	15	5	3.7
LP501646	360	46	16	5	3.7
LP501745	360	45	17	5	3.7
LP502725	360	25	27	5	3.7
LP701250	360	50	12	7	3.7
LP701635	360	35	16	7	3.7
LP801340	360	40	13	8	3.7
LP821730	360	30	17	8.2	3.7
LP901728	360	28	17	9	3.7
LP502235	365	35	22	5	3.7
LP601543	365	43	15	6	3.7
LP532233	370	33	22	5.3	3.7
LP541841	370	41	18	5.4	3.7
LP591738	370	38	17	5.9	3.7
LP602826	370	26	28	6	3.7
LP662028	370	28	20	6.6	3.7
LP701537	370	37	15	7	3.7
LP451842	375	42	18	4.5	3.7
LP263545	380	45	35	2.6	3.7
LP293442	380	42	34	2.9	3.7
LP402050	380	50	20	4	3.7
LP402445	380	45	24	4	3.7
LP452045	380	45	20	4.5	3.7
LP462527	380	27	25	4.6	3.7
LP502236	380	36	22	5	3.7
LP502728	380	28	27	5	3.7
LP502830	380	30	28	5	3.7
LP522040	380	40	20	5.2	3.7
LP551739	380	39	17	5.5	3.7
LP581646	380	46	16	5.8	3.7
LP582529	380	29	25	5.8	3.7
LP601443	380	43	14	6	3.7
LP642527	380	27	25	6.4	3.7
LP652528	380	28	25	6.5	3.7
LP682028	380	28	20	6.8	3.7
LP682030	380	30	20	6.8	3.7
LP701833	380	33	18	7	3.7
LP702030	380	30	20	7	3.7
LP702727	380	27	27	7	3.7
LP751635	380	35	16	7.5	3.7
LP752132	380	32	21	7.5	3.7
LP802028	380	28	20	8	3.7
LP831730	380	30	17	8.3	3.7
LP852023	380	23	20	8.5	3.7
LP233075	390	75	30	2.3	3.7
LP482930	390	30	29	4.8	3.7
LP532040	390	40	20	5.3	3.7
LP532240	390	40	22	5.3	3.7
LP681738	390	38	17	6.8	3.7
LP522535	395	35	25	5.2	3.7

Standard Li Polymer Battery By Capacity (mAh）

8mAh+	400mAh+	800mAh+	3000mAh+	7000mAh+
100mAh+	500mAh+	900mAh+	4000mAh+	8000mAh+
200mAh+	600mAh+	1000mAh+	5000mAh+	9000mAh+
300mAh+	700mAh+	2000mAh+	6000mAh+	10000mAh+



Location

LiPol Battery Co., Ltd.
Bldg 4A, JunFeng Industrial Zone, ChongQing Rd, Shenzhen, China 518000



Reach Us

Whether a price quote or a datashetet request from our battery section, you can all get a fast and professional reply within 12 hours.

The Most Popular Battery

High-Quality Battery Collection

3.7V Standard Li Polymer Battery

High Rate Discharge Battery

18650 Lithium-ion Battery & Pack

Li Polymer Battery Pack Series

Special Shaped Battery Series

Ultra-Thin Li Polymer Battery

Fill out my online form.

<a href="https://lipolbattery.wufoo.com/forms/s1kgumsj09jchdu?entsource=wordpress" rel="nofollow">Fill out my Wufoo form!</a>