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Data Sheet

ManualsBrandsSamsung ManualsCars, Hobbies & HouseholdSamsung INR21700-40T Non-standard battery (rechargeable) 21700 Flat top Li-ion 3.6 V 4000 mAh
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-SAMSUNG SDI Confidential Proprietary –
Spec. No.
INR21700-40T
Version No.
0.0
- 17/20 -
1.5 Safety Device
Be sure adopting proper safe device such as PTC specified type or model in Cell
Specification. If you intend to adopt different safety device which is not specified in Cell
Specification, please contact Samsung SDI to investigate any potential safety problem.
Be sure designing 2nd protective devices such as PTC & PCM at the same time to protect
Cell just in case one protective device is fault.
2. Design of System
2.1 Connection between the cell and the battery
2.1.1 The cell should not be soldered directly with other cells. Namely, the cell should be
welded with leads on its terminal and then be soldered with wire or leads to solder.
2.1.2 Otherwise, it may cause damage of component, such as separator and insulator, by
heat generation.
2.2 Positioning the battery in the System
2.2.1 The battery should be positioned as possible as far from heat sources and high
temperature components.
2.2.2 Otherwise, it may cause loss of characteristics.
2.2.3 The recommended spacing between the cells is more than 1mm.
2.3 Mechanical shock protection of the battery
2.3.1 The battery should be equipped with appropriate shock absorbers in the pack in
order to minimize shock, which can damage the cells. .
2.3.2 Otherwise, it may cause shape distortion, leakage, heat generation and/or rupture
and/or open circuit.
2.3.3 Ultrasonic should not be used when manufacturing battery packs as it can damage
the connection between component parts.
2.4 Short-circuit protection of the cell
2.4.1 The cell is equipped with an insulating sleeve to protect short-circuit which may
occur during transportation, battery assembly and /or system operation.
2.4.2 If the cell sleeve is damaged by some causes such as outside impact, it may cause
short-circuit with some wiring inside the battery.
2.5 Connection between the battery and charger/system
2.5.1 The battery should be designed to be connected only to the specified charger and
system.
2.5.2 A reverse connection of the battery, even in the specified system, should be avoided
by employing special battery design such as a special terminals.