UL2054/CB/Un38.3 Certification Lipo Battery 505055 3.8V 1800mAh Rechargeable Lithium Cell Lithium Ion Battery

• Customization: Available
• Type: Lipo Battery
• Cathode Material: LCO
• Model NO.: AS505055
• Rechargeable: Yes
• Size: Small
• Weight: 36g
• Charge Time: Approx 6h
• Max Charge Current: 2000mA
• Discharge Current: 900mA
• Application: Bluetooth Headset/Bluetooth Speaker
• Discharge Cut-off Voltage: 3.00V
• Max Discharge Current: 1500mA
• Shipping Voltage: 3.90-4.0V
• Case: Aluminum
• Warranty: 1-5 Years
• Transport Package: Carton
• Specification: 5.1*50.0*54.5mm
• Trademark: A&S Power
• Origin: China
• HS Code: 8507600090
• Production Capacity: 50000PCS / Month
• Package Size: 40.00cm * 40.00cm * 30.00cm
• Package Gross Weight: 5.000kg
• Lead Time: 31 days (1 - 3000 Pieces) ; To be negotiated ( > 3000 Pieces)

Product Description

Product Description

Specification

Item			Rating	Note
Capacity		Typical	1800mAh	Charge:0.2C@25±2ºC Discharge:0.2C@25±2ºC
		Minimum	1800mAh
Nominal Voltage			Average  3.8V
AC Impedance Resistance			≤80mΩ≤220mΩ	Cell Battery Pack
Discharge Cut-off Voltage			3.00V
Charge Current			360mA	0.2C
Charge Voltage			4.35V
Charge Time			Approx 6 h	Standard Charge
Storage humidity			< 75%RH
Max Charge current			2000mA	10~45ºC1.1 C
Discharge Current			900mA
Max Discharge Current			1500mA	10~55ºC
Weight			Approx 36g
Shipping Voltage			3.90-4.0V
Operating Temperature	Charge		0~+10ºC 10~+45ºC	≤900mA ≤1800mA
	Discharge		-20~+60ºC	Get more than 50% discharge capacity (typical) in -15°C or +55°C.
Storage Temperature	less than 1 month		-20~+45ºC	Recommended storage temperature: 25±2ºC,at the shipment state
	less than 3 months		-20~+35ºC
	less than 6 months		-20~+30ºC

Our Key Advantages

High Energy Density: Maximizes power in a compact size.
 
Long Life Cycle: >500 cycles for enduring performance.
 
Enhanced Safety: Japanese dual IC protection (Anti-short circuit, over-charge, over-current, over-load).
 
Lightweight & Thin: Aluminum-plastic composite construction.
 
Easy Assembly: Pre-installed Molex/Tyco connectors.
 
Fully Customizable: OEM & ODM services available.
 
Quality Assured: Rigorously tested for reliability.
 
Competitively Priced: Outstanding value without compromise.

Custom Lithium Polymer Battery Solutions

1. High energy density: up to 700Wh
2. Thin LiPo Battery
3. Custom Li-Polymer Battery 3.7/3.8/7.4/11.1V
4. Customizable Capacity of LiPo Battery
5. Customizable Shapes & Sizes of LiPo Battery
6. Custom-designed LiPo Battery Packs for Various Devices

The application fields are extremely extensive such as: Bluetooth headset,Bluetooth speaker,Smart wearable products,GPS,Digital products portable,DVD,Tablet,PC e-book,POS,PDA,Medical device and so on.

1. Support Customized Battery Size:
The Same Battery Capacity We Can Do Different Sizes To Meet Customer Size Limitations;
 
2. Support Custom Wire And Plug:
Customized Wire And Plug According To Customer's Use Scenario Requirements;
 
3. Support Customized Voltage:
We Support Customized Polymer Battery Packs To Meet Customers' Demand For Battery Voltage And Capacity Through Series And Parallel Batteries;
 
4. Support Custom PCM Circuit Board:
In Addition To The Standard Overcharge, Overdischarge, Short Circuit Protection, We Also Support Temperature Overheat Protection, Communication Functions And Other Customized Services;
 
We specialize in providing customized lithium battery solutions for medical devices, GPS trackers, wearables, and more. Our products are known for their reliability, safety, and precision engineering. Whether you need high-capacity or ultra-slim battery packs, our engineering team is ready to help bring your project to life.

Certifications

Model	Nominal voltage(V)	Capacity (mAh)	Thickness  (mm)(±0.2)	Width  (mm)(±0.5)	Length  (mm)(±1.0)	Certification
AS102040	3.7	700	10	20	40	UL1642,CE,UN38.3
AS102231	3.7	600	10	22	31	UL1642
AS103035	3.7	1000	10	30	35	UL1642,CE
AS103450	3.7	2000	10	34	50	UL1642,CE,UN38.3
AS104049	3.7	2600	10	40	49	UL1642,IEC62133(CB),CE,UN38.3
AS104065	3.7	3200	10	40	65	UL1642,IEC62133(CB),CE,BIS,UN38.3
AS105073	3.7	5000	10	50	73	UL1642,CE
AS126363	3.7	5400	12	63	63	UL1642,UN38.3
AS253550	3.7	360	2.5	35	50	UL1642,IEC62133(CB)
AS301320	3.7	55	3.0	13	20	UL1642
AS302025	3.7	100	3.0	20	25	UL1642
AS302323	3.7	110	3.0	23	23	UL1642,UN38.3
AS302530	3.7	180	3.0	25	30	KC
AS303080	3.7	850	3.0	30	80	UL1642,IEC62133,CE,UN38.3
AS351120	3.7	40	3.5	11	20	UL1642,CE
AS351121	3.7	45	3.5	11	21	UL1642
AS352025	3.7	110	3.5	20	25	UL1642,CE
AS352730	3.7	220	3.5	27	30	UL1642,CE
AS356585	3.7	2000	3.5	65	85	UL1642
AS357090	3.7	2800	3.5	70	90	UL1642,CE
AS381018	3.7	40	3.8	10	18	UL1642
AS391520	3.7	90	3.9	15	20	UL1642
AS400830	3.7	60	4.0	8	30	UL1642,CE
AS401020	3.7	55	4.0	10	20	UL1642,CE
AS401030	3.7	80	4.0	10	30	UL1642,CE,UN38.3
AS401119	3.7	50	4.0	11	19	UL1642
AS401120	3.7	60	4.0	11	20	UL1642
AS401230	3.7	120	4.0	12	30	UL1642,IEC62133(CB),KC,UN38.3,CQC
AS401235	3.7	130	4.0	12	35	UN38.3
AS401245	3.7	190	4.0	12	45	CE
AS401824	3.7	100	4.0	18	24	KC
AS402525	3.7	200	4.0	25	25	CE,KC,UN38.3
AS403040	3.7	430	4.0	30	40	UL1642,CE
AS405070	3.7	1700	4.0	50	70	UL1642,CE,UN38.3
AS405080	3.7	1750	4.0	50	80	UN38.3
AS406868	3.7	2200	4.0	68	68	UL1642,CE
AS423040	3.7	530	4.2	30	40	UL1642,UL2054,CE,KC,UN38.3
AS442030	3.7	210	4.4	20	30	UL1642,CE
AS452428	3.7	250	4.5	24	28	CE
AS455060	3.7	1400	4.5	50	60	UL1642,CE
AS461730	3.7	200	4.6	17	30	UL1642,CE,KC,UN38.3
AS481221	3.7	70	4.8	12	21	UL1642,CE
AS483450	3.7	850	4.8	34	50	UL1642,CE,UN38.3
AS501235	3.7	160	5.0	12	35	KC,UN38.3
AS502025	3.7	180	5.0	20	25	UL1642,CE,KC
AS502030	3.7	240	5.0	20	30	UL1642,CE,KC,UN38.3
AS502248	3.7	500	5.0	22	48	UL1642,IEC62133(CB),CE,UN38.3
AS503030	3.7	430	5.0	30	30	UL1642,CE,KC
AS503035	3.7	500	5.0	30	35	UL1642,CE

AS504552	3.7	1200	5.0	45	52	UL1642,CE
AS505055	3.8	1800	5.0	50	55	UL1642,UL2054,IEC62133(CB),CE,UN38.3
AS505771	3.7	2200	5.0	57	71	UL1642,CE
AS506077	3.7	3400	5.0	60	77	UL1642,IEC62133(CB),CE,UN38.3
AS523450	3.7	1000	5.2	35	50	UL1642,CE
AS535058	3.7	1600	5.3	50	58	UL1642,CE
AS542435	3.7	500	5.4	24	35	UN38.3
AS552035	3.7	350	5.5	20	35	UL1642,UL2054,IEC62133(CB),CE,KC,UN38.3,WERCS
AS552540	3.7	540	5.5	25	40	UL1642,CE
AS553444	3.7	650/950	5.5	34	44	UL1642,CE,KC
AS553640	3.7	850	5.5	36	40	UL1642,UL2054,IEC62133(CB),CE,KC,UN38.3,CQC
AS553759	3.7	1350	5.5	37	59	UL1642,CE
AS562438	3.7	400	5.6	24	38	UL1642,CE
AS584070	3.7	2000	5.8	40	70	UL1642,UL2054,IEC62133(CB),CE,KC,UN38.3,PSE
AS601362	3.7	500	6.0	13	62	UL1642,CE
AS601530	3.7	250	6.0	15	30	CE
AS602025	3.7	200	6.0	20	25	CE
AS602030	3.7	300	6.0	20	30	CE,KC
AS602240	3.7	500	6.0	22	40	UL1642,CE,KC
AS602663	3.7	1000	6.0	26	63	UL1642,IEC62133,CE,KC,UN38.3
AS603030	3.7	520	6.0	30	30	UL1642,IEC62133(CB),CE,KC,UN38.3,WERCS
AS603040	3.7	750	6.0	30	40	UL1642,UL2054,IEC62133(CB),CE,KC,UN38.3,WERCS
AS603048	3.7	900	6.0	30	48	UL1642,CE,KC,UN38.3
AS603245	3.7	720	6.0	32	45	UL1642
AS603450	3.7	1050	6.0	34	50	UL1642,IEC62133(CB),CE,KC,UN38.3
AS603465	3.7	1350	6.0	34	65	UL1642,CE
AS604050	3.7	1100	6.0	40	50	UL1642,IEC62133(CB),UN38.3
AS606060	3.7	2500/3000	6.0	60	60	UL1642,CE
AS6060115	3.7	5000	6.0	60	115	UL1642,CE
AS623441	3.7	1000	6.2	34	41	CE
AS624046	3.7	1200	6.2	40	46	UL1642,IEC62133(CB),CE,UN38.3
AS652030	3.7	350	6.5	20	30	UL1642,CE,KC,UN38.3
AS652631	3.7	520	6.5	26	31	UL1642,CE
AS682134	3.7	500	6.8	21	34	UL1642
AS701729	3.7	300	7.0	17	29	UL1642,BIS
AS701416	3.7	100	7.0	14	16	UL1642,CE
AS701919	3.7	150	7.0	19	19	UL1642,CE
AS702040	3.7	500	7.0	20	40	UL1642,IEC62133(CB),CE,UN38.3,WERCS
AS703440	3.7	1000	7.0	34	40	UL1642,UL2054,CE,KC,UN38.3
AS704060	3.7	1800	7.0	40	60	UL1642,CE
AS705088	3.7	3400	7.0	50	88	UL1642
AS753048	3.7	1200	7.5	30	48	UL1642,CE,KC
AS755070	3.7	3000	7.5	50	70	UL1642,IEC62133(CB),CE, KC
AS802030	3.7	420	8.0	20	30	UL1642,CE
AS803035	3.7	800	8.0	30	35	UL1642,UL2054,CE,KC,UN38.3
AS803040	3.7	900	8.0	30	40	CE
AS803648	3.7	1200	8.0	36	48	UL1642,CE
AS805052	3.7	2500	8.0	50	52	UL1642
AS8051116	3.7	6900	8.0	51	116	UL1642,CE
AS853450	3.7	1500	8.5	34	50	UL1642,IEC62133(CB),CE,KC,UN38.3

AS872237	3.7	750	8.7	22	37	UL1642
AS904286	3.7	4000	9.0	42	86	UL1642,CE
AS853450-2P	3.7	3000	17	35	53	UL1642,UL2054,UN38.3

Company Profile

With is a trusted custom lithium battery manufacturer specializing in Lithium Polymer Batteries, Li-ion Battery Packs, and LiFePO4 Batteries.

Our batteries are certified to international standards, including UL, IEC 62133, CE, CB, RoHS, and UN38.3, meeting the requirements of global markets.

We provide custom battery solutions for medical devices, GPS trackers, IoT products, wearable devices, consumer electronics, industrial equipment, and energy storage systems. From battery cell selection and BMS design to connector assembly and customized battery packs, we offer one-stop OEM & ODM services.

Trusted by customers in North America, Europe, Asia, and the Middle East, A&S Power is committed to delivering high-quality products, reliable performance, fast engineering support, and stable supply.

Looking for a reliable custom lithium battery manufacturer? Contact A&S Power today for a fast quotation and professional battery solution.

FAQ

Can lithium battery packs be fully customized?

What is the difference between a lithium cell and a battery pack?

Do you support small batch or prototype orders?

Yes. Voltage, capacity, shape, BMS functions, connectors, enclosure, and labeling can all be customized.

A lithium cell is a single energy unit, while a battery pack includes multiple cells, BMS, wiring, and safety protection.

Yes. We support prototype development, pilot production, and mass manufacturing.

Can I get samples of lithium batteries before placing a bulk order?

Yes, many suppliers offer samples of lithium batteries for testing and evaluation purposes. However, there are costs associated with obtaining samples, including sample fees and freight charges.

What certifications do your battery packs support?

What information is needed to start a custom battery project?

UL, KC, UN38.3, IEC 62133, CE, RoHS, and other standards depending on application requirements.

Voltage, capacity, discharge current, size constraints, application environment, and certification requirements.

What after-sales services does A&S Power offer?

We offer one year's battery quality assurance. You can contact us at any time for replacement if there are battery problems.