Energy block 2S 7.4 Volts
Do not use Blender files for 3D printing. Use the STL downloads below instead.
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Files for 3D printing
| Pict | Part name | Best material | Qty | Notes |
|---|---|---|---|---|
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En_1ab | PLA | 1 | |
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En_2 | PLA | 1 | |
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En_3 | PLA | 1 | |
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En_4 | PLA | 1 | |
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En_5 | PLA | 1 | |
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En_6ab | PLA | 1 | |
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En_7 | PLA | 1 | |
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En_8 | PLA | 1 | |
 |
En_9 | PLA | 1 |
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AliExpress: LiitoKala Lii-50A 26650 5000mAh High Capacity 3.7V lithium battery
Exact model: 6 pieces
LiitoKala Lii-50A 26650 5000mAh High Capacity 3.7V lithium battery
AliExpress: Battery Pack Positive And Negative Single Contact Spring Plate
Exact model: 12*13MM
These are for AA batteries but they hold 18650 batteries well.
Spring sheet AA 12*13MM contact. Tracked, affiliate link.
AliExpress: 2S (7V) Battery protect board
Protects the battery pack from overcharge and over-discharge.
7.4V 8.4V Li-ion 18650 Lithium battery protection board / BMS board Standard
AliExpress: 2S USB-C Charger module
For charging batteries placed inside the battery holder via the connector.
Boost LiPo Polymer Li-Ion Charger 7.4V Tracked, affiliate link.
AliExpress: Battery chargers (alternative)
As a faster charging alternative, a standalone charger can be used instead of the USB buck. Since the batteries must always be charged together at the same time, you will need two chargers (our craft has 6 × 26650 Li-ion batteries). Check our Build Assistant for more info about batteries and how to handle them.
VariCore VCP4/R4 LCD Smart Battery Charger. Tracked, affiliate link.
Essentials
You will need M3 square nuts and M3 screws of various lengths for a successful build of this module.
See the Fixing section for more.