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Replacement for IBM ThinkPad A20 Laptop Battery

Vopow PN#: LB-IBA20
Battery Type: Chemical Compos Li-Ion
Capacity: 4400 mAh
Volt: 10.8 V
Dimension ( L*W*H ): 269.60 x 61.00 x 22.80 mm
Color: Black
Set Weight: 430 g
Warranty: 1 Year

IBM ThinkPad A20 Laptop Battery Compatible with the following original Laptop Battery Code and Laptop models

This battery Code is IBM ThinkPad A20,compatible with the brand IBM. It is superior operation capability and high durable structure contents.
All our products are with a number of international security certifications.
The IC used TI BQ IC as a gages control and Seiko BQ IC as a protection control and the battery is performance.
Precised wiring circuit: Gas gage circuit is designed to use TI BQ IC and protect circuit is down by BQ IC.
New Power managements:Use BQ solution to manage usage, voltage and current, the second stage protection may use it on such as:

A. Use S-8244 and second stage over charge protection.

B. Temperature fuse.Put it onto MOSFET to protect when temperature over and melt it out immediately.

C. PTC(Polyswitch).Self recover for power on and off automatically.

D. Temperately relay. Open when temperature goes high and back to normal when temperature goes normal.
BQ IC with auto balancing series cell voltage to extend using life of cell.
More functions: Use SMBus 1.1 to read cell type, remain capacity, voltage, temperature, cycle count..etc.
Reliable protection circuit: With over charge, discharge protection, and over current and short protection.
Cycle life: After 300 charge and discharge the capacity is still 70% of the original capacity.
High safety: With Polyswitch,temperature fuse,BQ IC..protection device to avoid hazard happening.
Fully environment testing: To warranty the product safety we have processing all kinds of test both of Physical and Destroy test.
1 year warranty, 100% compatible with original manufacturers, 100% quality assurance.
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