| 1S 12A BMS – 3.7V Li-ion Battery Protection Board | diy500amp.com | 2.99 USD | 6.95 USD | −57% |
| JST-XH Balance Connector with 22AWG Silicone Wire – 200mm | diy500amp.com | 3.95 USD | 8.95 USD | −55.9% |
| Stick-On Temperature Indicator Strip (37–70°C Range) | diy500amp.com | 2.99 USD | 5.99 USD | −50.1% |
| Lithium Battery Holder 18650 100PCS - DIY | diy500amp.com | 7.99 USD | 15.99 USD | −50% |
| Precision 170 Side Cutting Pliers for Electronics and 3D Printing | diy500amp.com | 2.99 USD | 4.99 USD | −40.1% |
| Kapton Tape - High-Temperature Polyimide Insulation | diy500amp.com | 9.99 USD | 19.99 USD | −40% |
| 1M Pure Nickel Strip 2P 0.15x27mm – High Purity 99.96% for 18650 Battery Pack Welding | diy500amp.com | 8.99 USD | 14.99 USD | −40% |
| 6S2P 21700 Tabless Drone / EDF Jet Battery Pack - 0.3mm Copper High-Performance | diy500amp.com | 189.99 USD | 300 USD | −36.7% |
| 4S 40A BMS – 16.8V Li-ion Protection Board with Built-In Top Balancing | diy500amp.com | 5.95 USD | 9 USD | −33.9% |
| 3S 60A BMS – 12.6V Li-ion Protection Board with Built-In Top Balancing | diy500amp.com | 5.95 USD | 8.25 USD | −27.9% |
| Extra Strong Double-Sided Acrylic Foam Tape – 50mm x 3M | diy500amp.com | 11.99 USD | 14.99 USD | −20% |
| 3S to 20S LED Battery Detection Board for Li-ion & LiFePO4 Packs | diy500amp.com | 8.99 USD | 10.99 USD | −18.2% |
| Custom Busbar Cut | diy500amp.com | 294 USD | — | — |
| Milwaukee 18V Li-ion Battery Case 15ah (12ah) | diy500amp.com | 69 USD | — | — |
| 8S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells | diy500amp.com | 61.99 USD | — | — |
| 7S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells | diy500amp.com | 57.99 USD | — | — |
| 6S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells | diy500amp.com | 56.99 USD | — | — |
| 5S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells | diy500amp.com | 55.99 USD | — | — |
| 21700 2P Direct Copper Busbar 0.3mm 200A | Spot Weld Parallel Connector | diy500amp.com | 45.99 USD | — | — |
| 4S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells | diy500amp.com | 45.99 USD | — | — |
| Flux for Copper-to-Copper Spot Welding (100g) | diy500amp.com | 44.99 USD | — | — |
| 3S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells | diy500amp.com | 41.99 USD | — | — |
| 30-Cell 18650 Battery Case + PCB for Makita-Compatible DIY Packs | diy500amp.com | 39.95 USD | — | — |
| Copper-Nickel 2P Battery Busbar Strip – 18650 / 21700 (3-Piece Set) | diy500amp.com | 39.95 USD | — | — |
| 2S2P 21700 Battery Kit - Copper Busbars, Tray & Optional Cells | diy500amp.com | 37.99 USD | — | — |
| AWithZ Base Angled ABS Stand for AWithZ P90C/ P120D Spot Welders | diy500amp.com | 29.99 USD | — | — |
| Milwaukee M18-Compatible DIY Battery Case & PCB Kit | 18650 6Ah / 21700 8Ah | No Cells | diy500amp.com | 24.95 USD | — | — |
| DeWalt-Compatible 18V/21V 10x18650 Battery Case + PCB Kit (No Cells) | diy500amp.com | 21.99 USD | — | — |
| AWithZ Base Angled ABS Stand for AWithZ P20B/ P30C / P60F Spot Welders | diy500amp.com | 19.99 USD | — | — |
| High Precision 200A up to 60V Digital Watt & Amp Meter – RC Battery Analyzer with LCD Backlight | diy500amp.com | 19.99 USD | — | — |
| 0.2mm T2 Pure Copper 2P Strip for 18650 & 21700 Battery Packs (1m & 2m) | diy500amp.com | 17.95 USD | — | — |
| Nickel-Plated Copper 0.2 × 10 mm (5 Meters) – High Conductivity T2 Copper for Battery Building | diy500amp.com | 17.95 USD | — | — |
| Hard EVA Carrying Case for FNIRSI HRM-10 Tester – Black | diy500amp.com | 15.95 USD | — | — |
| 4-Slot 18650/21700 Tester Holder Assembly | diy500amp.com | 14.99 USD | — | — |
| Pure Nickel Strip Roll for Battery Spot Welding | diy500amp.com | 14.99 USD | — | — |
| Pure Copper T2 Strip for Battery Spot Welding – 5m Roll (Multiple Sizes) | diy500amp.com | 12.95 USD | — | — |
| 304 Stainless Steel Strip Roll – 100 mm x 1000 mm | 0.1 mm / 0.2 mm | diy500amp.com | 12.95 USD | — | — |
| XT90 Male to XT60 Female Adapter Connector | High Current Battery Adapter | diy500amp.com | 12 USD | — | — |
| IP2368 4S Bidirectional USB-C Buck-Boost Charging Module | diy500amp.com | 11.95 USD | — | — |
| Electrical Insulating Adhesive Fish Paper - 3m Length (Multiple Widths) | diy500amp.com | 9.19 USD | — | — |