Deep Cycle Rechargeable lithium ion battery 18650 7.4v 4400mah

Specifications

1.lithium ion battery 18650 7.4v 4400mah
2.High energy density, deep cycle.
3. OEM service.
4.Professional factory

Technical datas for Rechargeable lithium ion battery 18650 7.4v 4400mah

 

Nominal Voltage	7.4V
Charge cut-off voltage	8.4V
Discharge cut-off voltage	5.6V
Nominal capacity	4400mah, (2200mah, 2600mah, 5200mah, 6600mah, 7800mah, or other as required)
Max. constant working current	4A
Peak Current	22A (for a few millseconds)
PCM protection board	IC is Seiko brand
	MOS is AOS brand
Working temperature	-20ºC~60ºC
Packing	PVC packing
Certificate:	CE, RoHS, UL, UN38.3

 

Key components and selected materials:

 

Professional test system:

 

 

Payment and shipment:

 

Payment terms	T/T, Western union, Paypal
Lead time	Sample order: 3-5 working days
	Normal order: 10-15 working days
Shipping way	Air Express or sea transportation
Certificate	CE, RoHS, UL, UN38.3
Warranty	12 months

 

 

Quality and Guarantee:

Product standard: From design, material preparation to production, quality control, sales and customers service, MassPower batteries follow the ISO9001, CE, RoHS international standard.

 

Life span: All MassPower batteries use full A+ battery cells. No A or B grade low quality cells inside so that MassPower batteries have longer working life and larger capacity. We guarantee full and real labeled capacity.

 

Power management: All MassPower rechargeable batteries have built-in high quality PCB board, chrging protectors, thermal protectors and circuit breakers, effectively avoiding the over-charge, over-discharge, over heating and short circuit. You will have complate confidence on our products.

 

Office and workshop views:

 

Certificates: