Ni-MH Vacuum Cleaner Batteries
14.4V 4500mAh long life replacement Battery for iRobot Roomba 500 550 580 600 610 620 650 700 770 780 790 800 870 880| Factory Wholesale
Product Description
Battery Specification:
|
Battery Capacity |
4500mAh |
|
Battery Voltage |
14.4 V |
|
Battery Type |
Ni-MH |
|
Color |
Yellow |
|
Dimension |
13.5 x 52 x 46cm |
|
Weight |
800g |
2000mAh,2500mAH,3000mAh,3500mAH,4000mAh more capacity are all available
Compatible with all iRobot roomba 500, 600, 700, 800 series:
- Roomba 500 510 521 527 530 531 536 540 541 545 550 551 562 560 581 585 595 599
- Roomba 600 610 620 630 631 650 655 660
- Roomba 700 760 761 770 775 780 790
- Roomba 800 870 880
- Roomba R3 80501 4419696 and so on.
Package include
1*14.4V 4500mAh Nimh Battery+1*Manual in inner box,and then boxes pack in carton box
FAQ
Q:What is the advantages and disadvantages between nickel hydrogen batteries and lithium batteries?
Voltage:nickel-metal hydride battery is 1.2V,and lithium ion battery is 3.7V,lithium ion battery is triple.
energy density：
A typical lithium-ion battery can store 150 watt-hours of electricity in 1 kilogram of battery.
A NiMH (nickel-metal hydride) battery pack can store perhaps 100 watt-hours per kilogram,
Discharge rate:cylindrical li-ion battery and Nimh all support 10C discharge,but pouch lithium ion polymer discharge rate up to 100C
Temperature,lithium ion battery discharge on -20-60℃，Nimh battery discharge on 0-45℃
Weight,Nimh batteries are about 2 times that of lithium-ion batteries in same power
Cycle life,lithium ion batteries around 500-800 times and nimh batteries around 300-500times.
Memory,no any memory effect of lithium ion battery,but a little memory effect for Nimh battery
Safety:Nimh battery is more safe,lithium ion battery need to add protect circuit
Cost:lithium ion battery cost more than nimh battery
Environment:both lithium ion battery and Nimh environment friendly