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Specifications of Lithium Ion battery (Prismatic Type)
15. Warranty Period of Battery
The warranty period of a cell is for one year after shipment. However, if a cell causes unusual
operation within this period, SANYO will replace by a new cell for free as long as it is clear
that the cause of the failure is in the cell manufacturing process and the cell has not been
used in the abnormal condition.
16. Requirement for Safety Assurance
For the sake of safety assurance, please discuss the equipment design, its system and
protection circuit of Lithium ion battery with SANYO in advance.
And also, consult SANYO about the high rate current, rapid charge and special application
such as extreme condition and / or environment.
17. Notice for Battery Swelling
There is a possibility that swelling occur in usage of prismatic type cells.
Regarding thickness of battery, the specified value described on the drawing is the
thickness after 500cyc. under 4.3.
(as specified in paragraph 4.3.)
Therefore there is a possibility that battery thickness exceeds the specified value under the
following conditions.
･The charging voltage is over 4.20V.
･Ｔhe ambient temperate of usage is not 25±2℃.
･The battery is used more than 500cycles.
･The battery is stored for a long time.
File No
UF103450-849
Energy Company, SANYO Electric Co., Ltd.
Portable Rechargeable Battery Business Group
Lithium-Ion Battery Business Unit
page
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