Build your own custom battery pack with confidence using our premium selection of battery pack supplies and accessories. Whether you're assembling an 18650 pack for DIY electronics, power tools, EV projects, solar storage, or high-performance devices, we carry the essential parts you need to get the job done right.
Battery Building Supplies
Positive Tip Caps For 18650 Batteries (25 Pack)
$10.49 $0.42 / item
Nickel Plated Strip Tape for 18650 Battery Pack Welding & Universal Use
$8.95 $0.02 / in
3 Slot Holder Case Clip Box for 18650 Batteries with 6inch wire Leads
$6.49 $6.49 / item
Certified Hohm Tech 18650 Batteries
Hohm Tech Life V4 18650 Battery 3.6v 3015mAh 22.1A
$9.95 $7.89 $7.89 / item
Pre-Order Available 
Hohm 18650 Work V2 2547mAh 25.3A Battery
$9.95 $6.95 $6.95 /
Hohm Alone 18650 Battery 3.7v 3309mAh 15.3A ICR
$12.49 $8.99 $8.99 / item
Hohm Tech Mega 3.6v 18650 Rechargeable Battery – 2505mAh, 22A High Drain Li-ion Flat Top
$12.99 $7.79 $7.79 / item
Hohm Depot 18650 Battery 3.7v 16.8a 3005mAh (Flat Top)
$11.49 $7.99 $7.99 / item
Popular 21700 Options
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