Build Battery Packs
Cells
- DIY500AMP.COM
- Order #1584 2025-09-25
- Ampace JP40 "LT Wrap" 21700 4000mah 70A Battery - Tabless Cell × 120
- Subtotal $474.00 Shipping $22.99 Total $496.99 USD
- Order #3924 2026-09-09
- Ampace JP40 "LT Wrap" 21700 4000mah 70A Battery - Tabless Cell × 1 $5.99
- FEB 21700 Battery Cell – 6500mAh 13A Ultra High Capacity Energy Cell × 30 $224.70
- Subtotal $230.69 Shipping $10.80 Total $241.49
Welder
- Heltec HT-SW02H
- Manual
- Order #114-4340207-9060214 2025-10-30
- Spot Welder & Milliohm Meter
- 42 KW 7000A Capacitor Energy Storage Pulse Welding Machine
- Subtotal $729.90 Tax: $43.79 Total: $773.69
Battery Case
- 15 cell m18 kit (8 batteries)
- $389.20
Cost
- Me: $497+$774+$390=$1660
- Milwaukee (with worse cells): $279*8=$2232
Extra
- Balancer: 2A Active Balancer 2S–24S with Built-in Bluetooth RS485 and Temp Sensor for LiFePO4 Li-ion LTO 20V–100V Smart Equalizer Module (JK-DZ11-B2A24S)
- HD26 connectors:
- male CN-DSUBHD26PN-000
- female CN-DSUBHD26SK-000
- 20 wire ribbon 28AWG