38120HP

●This is the latest promotional video of our Headway Group LFP Battery Factory. Our new production line has been online for two years, and we are very happy to announce that its production efficiency has fully reached the level we designed. In addition, the automation rate of our LFP cell production line has reached a world-class level, and the production efficiency of the pack production line has reached the expected level. Please enjoy our promotional video!

Scope & Definition

 

●Model:38120HP
●Full-steel cylindrical design (38.5mm x 136mm) resists impact and vibration.
●Ultra-high discharge rate: 5C standard/15C maximum discharge current/30C maximum instantaneous discharge
Capacity retention >85% at -40°C, a reliable energy solution for Nordic snow and North American winters, eliminating low-temperature battery life concerns.>
●Capacity ≥80% after 3,000 cycles, 1.5 times longer lifespan than standard batteries, significantly reducing customers' full-cycle costs.<br>
●Fully automated sorting process, voltage difference ≤3.5mV, increases packing efficiency by 30%, reduces BMS management burden, and extends battery pack life.
●Global Safety Pass▶ UN38.3, IEC62619, and CE/RoHS certified

 

This specification describes the type and size, performance, technical characteristics, warning and caution of the lithium ion rechargeable cell. The specification only applies to HW 38120HP cell supplied by Zhejiang Xinghai Energy Technology Co., Ltd.

 

Definition

Rated capacity:

Rated capacity =8Ah, the capacity obtained when a cell is discharged at 2-hour rate to voltage 2.0 V at 25±2.5 OC.

 

Standard charge method:

At 25±2.5 OC, charged to 3.65V at a constant current of 3C, and then, charged with constant voltage of 3.65V until the charged current drops below 0.01C.

Standard discharge method

At 25±2.5 OC, discharged to 2.5 V at a constant current of 5C.

 

 

Cell type, bar code, appearances, and dimensions

 

• Cell type: HW 38120HP
• Cell bar code and appearances

 

 

• Cell dimensions：

 

 

Cell specification

 

(fresh cell tested at 25 ± 2.5OC, using standard charge and discharge unless otherwise specified)

 

ITEM	SPECIFICATION
Nominal capacity	8Ah @ 0.5C
Minimum capacity	7.5Ah @ 0.5C
Nominal voltage	3.2V
Max Charging voltage	3.65 ±0.05 V
Discharge ending voltage	2.5 ±0.05 V
Charge current	Standard charge: 3C Max charge: 10C when T≥10 OC Max charge: 3C when 10 OC≥T≥0 OC Max charge: 0. 1C when 0 OC≥T≥- 10 OC
Discharge current	Standard discharge: 5C Max discharge: 15C Max instant discharge: 30C
Recommended charge and discharge cell surface temperature	Charge: 0～45 OC Discharge: -20～60 OC
Maximum allowable charge and discharge cell surface temperature. Charging and discharging at these conditions will shorten cell cycle life.	Charge: 60 OC Discharge: 75 OC
Humidity range	0～90%RH (none condensing)
Internal resistance	≤4mOhm (AC Impedance, 1000HZ)
Cell dimension	Height: 136 mm Max Diameter: 38.5mm Max
Weight	330±5 g

 

Technical characteristics

 

Electronic performance (fresh cell tested at 25 ± 2.5OC, standard charge anddischarge unless otherwise specified)

NO.	ITEM	CRITERION
1	Discharge rate capabiltiy	discharge capacity at 5C	≥7.7Ah
		discharge capacity at 10C	≥7.6Ah
		discharge capacity at 15C	≥7.2Ah
2	Cycle life	discharge capacity of 3000th cycle @ 100% DOD	≥6.4Ah
3	High-Low temperature discharge performance (0.5C discharge)	discharge capacity at - 10 OC	≥4.8Ah
		discharge capacity at 0 OC	≥6Ah
		discharge capacity at 60 OC	≥7.8Ah
4	Storage Performance	residual capacity after 28d storage	≥7.6Ah
		recover capacity after 28d storage	≥7.84Ah

 

 

 

Headway 38120HP vs. General LiFePO4 Batteries Core Advantages Comparison Table

 

Specifications/Performance	Headway 38120HP	Standard lithium iron phosphate battery cells	Advantages
Structural Design	Cylindrical steel case (38.5mm×136mm)	Primarily prismatic/soft pack	▶ Strong impact and vibration resistance, suitable for high-vibration environments (such as electric vehicles and outdoor equipment)
			▶ High heat dissipation efficiency, steel shell structure improves thermal stability
Energy Density	≥140Wh/kg (measured data)	Typically 110-130Wh/kg	▶ Compact size and high capacity, providing longer battery life in the same space
Discharge Rate	Standard discharge: 5C Max discharge: 15C Max instant discharge: 30C	Continuous 1-3C, peak 5C	▶ Supports high-power devices (such as power tools) with stable power output
Cycle Life	>3000 cycles (capacity retention ≥80%)	1500-2000 cycles	▶ Reduces long-term operating costs, especially suitable for high-frequency charging and discharging
Low-Temperature Performance	-40°C capacity retention >85%	Capacity retention 60-75% at -20°C	▶ Strong suitability for cold environments (solving pain points in the Nordic and North American markets)
Consistency	Fully automatic sorting process, voltage drop ≤3.5mV	Manually sorted, voltage difference ≥ 20mV	▶ High packing efficiency, increasing battery pack life by over 30%, reducing the management burden of the BMS
Safety Certification	UN38.3, CE, RoHS, IEC62619	Some basic certifications	▶ Internationally recognized qualifications ensure export compliance and enhance customer trust
End-use Applications	Suitable for European and American RV energy storage, high-end electric motorcycles, and industrial UPS	General energy storage, low-speed electric vehicles	▶ Proven in the high-end market, enhancing brand premium

 

Environmental and safety characteristics

NO.	ITEM	TEST METHOD	CRITERION
1	Over discharge	Under the battery discharge to the cut-off voltage, then discharge with 0. 1C, until the voltage of battery is zero.	No explosion,no fire, no leakage
2	Over charge	After the battery fully charge, overcharge with 0.5C for one hour.	No explosion,no fire, no leakage
3	reverse charge	After the battery fully charge, with 1/6C reverse current constant current charging for 8h.	No explosion,no fire, no leakage
4	130℃ high temperature	After the battery is fully charged, the battery is placed in the oven for 3OC ~ 7OC / min heating rate, the temperature rose to 130 OC after the start time, and (130 ± 2) OC temperature range of security within 1h.	No explosion, no fire, no leakage
5	High and low temperature impact	When the battery is fully charged, shelved at -40 OC for 1h, then shelved 1h at 85 OC, do such cycle for 32 times, then remove under room temperature for 6h.	No explosion, no fire, no leakage
6	Vibration	When the battery is fully charged ,put the battery on the vibration table of amplitude 2mm, frequency 10Hz-30Hz for one hour.	No explosion,no fire, no leakage, no deformation.
7	Free fall drop	After the battery fully charge, let the battery fall from a height of 1.0m to the hard wood with thickness of 20mm, each surface for once.	No explosion, no fire, no leakage
8	Soaking	After the battery fully charged, the battery was sink at room temperature, depth will be subject to immersion cell surface within 24h, then take out under room temperature for 6 h.	No explosion, no fire, no leakage
9	Extrusion	After the battery is fully charged, the battery surface with special equipment was squeezed until the batteries dimensions changed to 1 ~ 3mm.	No explosion, no fire
10	Short circuit	When the battery is fully charged, with the internal resistance of not more than 50mΩ wires connecting to the battery positive and negative extremes for 1h.	No explosion, no fire, no leakage
11	Constant temperature/humidity/heat	After the battery fully charged the in the relative humidity of 90% ~ 95% of the constant temperature and humidity box,duration of 48 h, then take out under room temperature for 6 h.	No explosion, no fire, no leakage
12	Nail	A nail (diameter : 2.5~5mm) is penetrated vertically through the center of the fully charged cells.	No explosion, no fire, no leakage

 

Warning in handling the lithium-ion cell

 

To prevent the possibility of the cell from leaking, heating, explosion, please observe the following precautions:

• Don't immerse the cell in water;
• Don't use and leave the cell near a heat source such as fire or heater;
• When charging, use a cell charger specifically for that purpose;
• Don't reverse the positive and negative terminals;
• Don't discard the cell in fire or heater;
• Don't connect the cell to an electrical outlet directly;
• Don't discard the cell in fire or heater;
• Don't connect the positive and negative terminal directly with metal objects;
• Don't transport and store the cell together with metal objects such as necklaces, hairpins; Don't directly solder the cell;
• Don't pierce the cell with a nail or other sharp object.
• Don't leave the cell with low SOC for long time, it should keep the cell with around 50% for long term storage (less than 6 months). Should charge the cell to 50% SOC after each 6 months.

 

Shipping

 

During transportation , keep the battery from acutely vibration, impacting, polarization, drenching.

Zhejiang Xinghai Energy Technology Co., LTD. (referred to as "Xinghai Energy") is a subsidiary of Headway Group, which is involved in the field of lithium-ion battery, optical cable and data cable etc. With a total asset of 1 billion Yuan and 1,500 employees (192 technical personnel included), Headway Group has currently become an international enterprise with an annual output over 1 billion Yuan. Domestic marketing & sales are mainly handled by Headway Group's North and South Business Divisions' branches / offices in Beijing, Shanghai, Chengdu, Hangzhou, Shenzhen, Guangzhou, Shijiazhuang, Zhengzhou, Xi'an, Jinan, Qingdao, Shenyang and other places; as to the international business which is led by Xinghai Energy's Sales Department and Headway Group branches in Beijing, Shenzhen and Germany.

Located in Changxing state-level E&T development zone in Zhejiang Province, Xinghai Energy has been focusing on the R&D, production, sales and service of lithium-ion batteries since its establishment in 2003. Relying on a number of technical patents of its own, Xinghai Energy has achieved the mass production of battery cells and packs, and taken which as core, has also developed into a comprehensive integrated energy solution provider.

Thanks to the Headway ® lithium batteries developed independently, Xinghai Energy has successfully entered the international market for many years, and products are mainly sold to Europe, America and Southeast Asian countries with high popularity and reputation wildly. Xinghai Energy is fully qualified and has passed ISO9001, ISO14001, ISO45001, TS16949, CE, UL, TLC, CB, ROHS and other certifications. In 2010, Xinghai Energy was recognized as a national high-tech enterprise with a provincial high-tech R&D center. Xinghai Energy is skilled in the R&D and production of high-rate, medium-rate and high-capacity cylindrical steel shell cells. It has become a major supplier of lithium batteries for many multinational telecom operators, a core supplier of lithium batteries for global hydrogen energy leaders and a strategic partner of high-end semiconductor industry. By the end of 2021, we have supplied more than 100,000 pieces of 48V100Ah battery packs to telecom operators, more than 10 million high-power 38120HP cells to hydrogen energy leaders and battery packs integrated with 40152S medium power cell in batches to semiconductor enterprises. Xinghai Energy will treat create value for customers as its business philosophy, and keep providing continuously first-class products and solutions for customers as its eternal pursuit.

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