DIY500AMP.COM

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DIY500AMP.SHOP is your go-to online store for premium DIY battery-building supplies, high-performance cells, tools, and accessories all with uncomp

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0.2mm T2 Pure Copper 2P Strip for 18650 & 21700 Battery Packs (1m & 2m)

0.2mm T2 Pure Copper 2P Strip for 18650 & 21700 Battery Pack

USD 17.95
10 ml Multi-Metal Soldering Flux for Aluminum, Stainless Steel & Copper

10 ml Multi-Metal Soldering Flux for Aluminum, Stainless Ste

USD 7.95
12V 7Ah Battery Case Holder with BMS & Nickel Strips – Fits 18650 Cells (3x7 Layout) | DIY Battery Pack Organizer for Power Tools

12V 7Ah Battery Case Holder with BMS & Nickel Strips – Fits

USD 9.99
1M Pure Nickel Strip 2P 0.15x27mm – High Purity 99.96% for 18650 Battery Pack Welding

1M Pure Nickel Strip 2P 0.15x27mm – High Purity 99.96% for 1

USD 8.99
2-Channel 18650 21700 Battery Capacity Tester with Internal Resistance Meter, 1A Charge/Discharge

2-Channel 18650 21700 Battery Capacity Tester with Internal

USD 11.99
21700 2P Direct Copper Busbar 0.3mm 200A | Spot Weld Parallel Connector

21700 2P Direct Copper Busbar 0.3mm 200A | Spot Weld Paralle

USD 45.99
21700 Plastic Case + BMS PCBA for Makita 18V Li-ion Battery (DIY Kit)

21700 Plastic Case + BMS PCBA for Makita 18V Li-ion Battery

USD 39.95
21700 PVC Heat Shrink Tube – Precut Battery Wrap 10 pcs

21700 PVC Heat Shrink Tube – Precut Battery Wrap 10 pcs

USD 0.99
2S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells

2S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cel

USD 37.99
30-Cell 18650 Battery Case + PCB for Makita-Compatible DIY Packs

30-Cell 18650 Battery Case + PCB for Makita-Compatible DIY P

USD 39.95
304 Stainless Steel Strip Roll – 100 mm x 1000 mm | 0.1 mm / 0.2 mm

304 Stainless Steel Strip Roll – 100 mm x 1000 mm | 0.1 mm /

USD 12.95
3S to 20S LED Battery Detection Board for Li-ion & LiFePO4 Packs

3S to 20S LED Battery Detection Board for Li-ion & LiFePO4 P

USD 8.99
3S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells

3S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cel

USD 41.99
4-Slot 18650/21700 Tester Holder Assembly

4-Slot 18650/21700 Tester Holder Assembly

USD 14.99
4S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells

4S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cel

USD 45.99
5S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells

5S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cel

USD 55.99
6S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells

6S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cel

USD 56.99
7S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells

7S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cel

USD 57.99
8S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells

8S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cel

USD 61.99
AMASS XT90H Connector Pair with Insulating End Caps

AMASS XT90H Connector Pair with Insulating End Caps

USD 5.95
ANENG DM850 1999-Count Digital Multimeter – Yellow Boxed Set

ANENG DM850 1999-Count Digital Multimeter – Yellow Boxed Set

USD 11.99
ATORCH 20A Battery Test Stand

ATORCH 20A Battery Test Stand

USD 42.0
BL18120 15x21700 Battery Case + 50A BMS for Makita 18V (DIY Kit)

BL18120 15x21700 Battery Case + 50A BMS for Makita 18V (DIY

USD 75.99
Copper-Nickel 2P Battery Busbar Strip – 18650 / 21700 (3-Piece Set)

Copper-Nickel 2P Battery Busbar Strip – 18650 / 21700 (3-Pie

USD 39.95