China BAK
New Growth Potential

May 2008

Safe Harbor Statement

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

This presentation includes or incorporates by reference statements that constitute forward-
looking statements within the meaning of Section 27A of the Securities Act of 1933, as
amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These
statements relate to future events or to our future financial performance, and involve known and
unknown risks, uncertainties and other factors that may cause our actual results, levels of
activity, performance, or achievements to be materially different from any future results, levels
of activity, performance or achievements expressed or implied by these forward-looking
statements.  These statements include, but are not limited to, information or assumptions about
revenues, gross profit, expenses, income, capital and other expenditures, financing plans,
capital structure, cash flow, liquidity, management’s plans, goals and objectives for future
operations and growth.  In some cases, you can identify forward-looking statements by the use
of words such as “may,” “could,” “expect,” “intend,” “plan,” “seek,” “anticipate,” “believe,”
“estimate,” “predict,” “potential,” “continue,” or the negative of these terms or other comparable
terminology.  You should not place undue reliance on forward-looking statements since they
involve known and unknown risks, uncertainties and other factors which are, in some cases,
beyond our control and which could materially affect actual results, levels of activity,
performance or achievements.

Key Applications

Li-ion
Rechargeable
Batteries

Notebook
Computers

Cell phones

PDAs

Digital
Cameras

Bluetooth Headsets

MP3/Portable Entertainment

Hybrid-electric vehicles

Light-electric vehicles

Uninterruptible Power
Supply

FY08 Revenue: Reaffirming

For the fiscal years ending September 30

Seasonality not observed in first two quarters of FY 08

Q208 (Mar): Notebook Cells A
Bright Spot

Rev. $51M, near-record; up 74% vs. Q207

Rev from notebook cells doubled vs Q108, now 2^nd
largest revenue source (13%)

Gained Simplo as customer: one of the world’s
largest notebook battery pack manufacturer

HP “on schedule”

Selling prices raised

OEM Laptop Battery Cells

Worldwide shortage of supply: at
least 150M cells each in 08-10

China BAK is the only Chinese
manufacturer with commercial
production

Major source of growth: now 13% of
rev; will be 50% by 09

Shipping to pack manufacturers,
gained Simplo in Jan 08; signed
LOI with HP in Aug 07

Notebook Cell Sales Trend

0  

   2

   4

   6

   8

    10

    12

    14

    16

2007Q1

2007Q2

2007Q3

2007Q4

2008Q1

2008Q2E

13%

>20%

5%

  3%

2.7%

  1%

Rev and As % of Total Rev

Mobile Battery and Polymer Cells

Currently 80-87% of Rev.

OEM market in China

Lenovo, China Tech Faith Wireless, UTStarcom, SIM Technology
Group, Longcheer Technology, Hisense

Qualification underway with international Tier 1 OEM’s

Replacement market unique to China

Cell phones are sold and resold through an existing distribution
network – not disposed of like in the US, creating strong demand for
replacement batteries

Management Team

Xiangqian Li, Chairman and CEO

Visionary leader in China Li-ion battery industry

Led CBAK since founding; full time, operating CEO

Tony Shen, CFO, 1 year with CBAK

Former CFO at eLong Inc (Nasdaq: LONG), led eLong to its first
quarter of operating profit

Directed comprehensive cost/expense reduction efforts

Dr. Henry Mao, Director, COO and CTO, 5 years with CBAK

Significant expertise in Li-ion technology; widely published
technological author; holder of 7 US patents in Li-ion

Successful tenure as CTO at Lishen and senior engineering
position at NEC Moli Energy