3.7V 2200mAh 18650 Li-ion Battery Pack for the Explosion-proof Flashlight

Cell type: 18650 Li-ion Battery 3.7V 2200mAh
Configuration: 1S1P
Voltage & Capacity: 3.7V 2200mAh
Protection functions: overcharge protection, over-discharge protection, over-current protection, short-circuit protection.

Description

Key Features of Li-ion Battery Pack for the Explosion-proof Flashlight:

Reliable & safe performance, long cycle life
Uses the most advanced chips from Japan and the United States for Protection systems (PCM/BMS)
Using Sony, Sanyo, Panasonic, Samsung, LG brand cells or other competitive cells ensures consistency, stability, and safety of the battery pack
Multiple parallel and series combinations and intelligent modular battery designs are possible
We can provide OEM/ODM battery pack services for your needs

Specification of Li-ion Battery Pack for the Explosion-proof Flashlight:
Type	Parameters
Nominal voltage	3.7V
Rated capacity	2200mAh (0.2C discharge)
Continuous working current	1.0-2.0A
Overcurrent protection value	8.8-11A (adjustable)
Suitable device power	≤8W
Overcharge protection voltage	4.25 ± 0.025V/Cell (optional)
Discharge protection voltage	2.50 ± 0.025V/Cell (optional)
Charge mode	Constant current, constant voltage
Charge voltage	4.225-4.275V
Charge current	0.4-1.1A
Charge temperature	0~45℃、45~85%RH
Discharge temperature	-20~55℃、45~85%RH
Storage temperature and humidity range	Short term (Over 1 month): -20~+55℃、45~85%RH
	Medium term (Over 3 months):-20~+45℃、45~85%RH
	Long term (Within 1 year): -5~+20℃、45~85%RH
Dimensions	18.3*70.0mm
Weight	≤50g

Why Choose Weijiang lithium-ion battery pack?

Weijiang Power combines 16 years of manufacturing expertise with ISO-certified production and CE, RoHS, REACH compliance, delivering reliable and cost-effective power solutions to clients in 50+ countries.

Product Specifications & Ordering Info

All Weijiang lithium-ion battery pack products are manufactured in our ISO-certified factory (12,000 sqm) with 16 years of professional experience and PPWR, CE, RoHS, REACH compliance. We support OEM/ODM customization including voltage, capacity, dimensions, connectors, and custom branding.

Frequently Asked Questions (FAQ)

1. What is your minimum order quantity (MOQ)?

For standard sizes we accept flexible MOQ, including trial orders. For custom lithium-ion battery pack configurations, please contact us to discuss based on your requirements.

2. Do you support OEM/ODM customized solutions?

Absolutely. With over 3000 orders served and a response time under 24 hours, we tailor voltage, capacity, size, and connectors to your exact application.

3. What is your production lead time?

Standard products ship within 3-7 working days. Custom packs typically take 15-25 days depending on complexity and quantity.

4. How can I request a quotation?

Click the "Request More Details" button or contact our sales team with your specifications. We respond to all inquiries within 24 hours.