Replacement battery

• Manufacturer: Samsung SD
• Model: INR18650-30Q (30Q)
• Size: 18650
• Style: Flat Top
• Protection: NO, UNPROTECTED. This cell is unprotected and intended for use in protected battery packs only and NOT individually or as a standalone product. In order to operate safely it must have additional protection in the form of a PCB (protection circuit board) or BMS (battery management system), which is not included.
• Nominal Capacity: 3000mAh
• Discharge Current: 15A Maximum Continuous
• Nominal Voltage: 3.6V
• Maximum Voltage: 4.2V
• Cutoff Voltage: 2.5V
• Approximate Dimensions: 18.33mm x 64.85mm
• Approximate Weight: 48g
• Origin: Republic of Korea, Malaysia, or China
• Specification Datasheet: Samsung 30Q Datasheet

Before

After

Process

Spot welder

Setting used was 9

Outcome/Things to pay attention to

The whole pack was slightly bent upwards. This did not afflict the positioning or fitment too much, however it would be better if more care is put into aligning batteries while spot welding