Product Details

Specifications

1.18.5v battery pack.
2.High energy density, deep cycle.
3.Grade A cells.
4.Professional factory
5. CE,RoHS,

Technical datas for 18.5v battery pack:

Nominal Voltage	18.5V
Nominal capacity	4400mAh
Discharge cut-off voltage	13V
Max. charge voltage	21.2V
Max. constant working current	3A
Peak Current	5A
PCB board	IC is Seiko brand
PCB board	MOS is AOS brand
Working temperature	-20ºC~55ºC
Packing	PVC package
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
Lead time	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 expectancy: 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: