12S2P - Bill Of Material

Combined DIY Li-ion 12S2P Battery Pack, including

• Popular Samsung 25R cells
• BMS suitable for multiple battery configs w bluetooth

Some inspiration

And yet another link

                                                                                           

BMS

Automatically Recognize 6-21S

JBD Smart BMS 6S 8S 12S 13S 14S 16S 20S 21S With Bluilt-in Bluetooth 100A Balance Board Uart Function For E-bike Li-ion Battery

Total: US $38.43

https://www.aliexpress.com/item/1005004418031633.html?spm=a2g0o.order_list.0.0.4f4b18022l7Ri1

                                                                                           

24 pcs, Samsung 18650-25R Li-Ion 2500mAh

EUR 100.00 (25 pcs)

https://www.ebay.com/itm/255827116760?var=555764513208

                                                                                           

Banana plugs

These are 4mm connectors, and the also fit connectors on motors already ordered

Total: US $9.48

https://www.aliexpress.com/item/1005003756919924.html?spm=a2g0o.order_list.0.0.57741802cw2SxL

                                                                                           

PVC heatshrink tube

Total: US $3.59

https://www.aliexpress.com/item/1005001708622542.html?spm=a2g0o.order_list.0.0.57741802cw2SxL

                                                                                           

Insulation

Total: US $10.41

https://www.aliexpress.com/item/1005004754237234.html?spm=a2g0o.order_list.0.0.57741802cw2SxL

https://www.aliexpress.com/item/1005003702398320.html?spm=a2g0o.order_list.0.0.57741802cw2SxL

                                                                                           

Nickel sheet plate

Total: US $5.06

https://www.aliexpress.com/item/1005003139569623.html?spm=a2g0o.order_list.0.0.57741802cw2SxL

                                                                                           

Battery Charger for Li-ion

50.4V 3A Lithium Battery electric bike Charger For 12S 44.4V Li-ion battery pack

Total: US $21.76

https://www.aliexpress.com/item/4001050596003.html?spm=a2g0o.store_pc_allProduct.8148356.1.31fce506wj5XDU&pdp_npi=2%40dis%21DKK%21DKK%20180.90%21DKK%20135.66%21DKK%20126.61%21%21%21%21%402103250d16692059940818559ed6b5%2110000013764333061%21sh

                                                                                           

BMS	US $38.43	DKK 277.18
Batteries	EUR 100.00	DKK 743.78
Banana plugs	US $9.48	DKK 68.38
PVC heatshrink tube	US $3.59	DKK 25.89
Insulation	US $10.41	DKK 75.08
Nickel sheet plate	US $5.06	DKK 36.50
Battery charger	US $21.76	DKK 156.82
TOTAL		~DKK 1384