Best Selling Lithium Rechargeable portable battery pack

Specifications

1.rechargeable battery pack
2. High energy density, deep cycle.
3. OEM service.
4. Professional factory

 

Technical datas for  Best Selling Lithium Rechargeable portable battery pack

 

Battery type:	Grade A 18650 lithium battery cell
Nominal voltage:	3.7V or as required
Charge cut off voltage:	4.2V
Discharge cut off voltage:	2.8V
Capacity:	from 1ah to 50ah as per customized requirement.
Max constant working current:	1C
Peak current:	2C
Charging current:	0.2C to 0.5C
Dimension:	our recommended or customized dimension
Charger:	available upon request

 

  Other customized voltage and capacity available according to your demand; please feel free to contact us for your best battery solution! 

 

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: