Professional Battery Service — Iselin, NJ

Battery Repair
& Rebuild.

Buy / Sell / Trade / Repair & Upgrade

I specialize in battery repair, rebuilding, and upgrades with over 3 years of experience. Each battery receives careful attention and comes with a warranty for your peace of mind.

3+ YRS
Experience
6 MO
Battery Warranty
1 YR
Rebuild Warranty
100%
Capacity Tested
Power tool battery rebuild work ⚡ Tested & Warrantied
!

Don't buy new batteries when you can repair, rebuild, or upgrade. Every pack I sell or rebuild is quality and capacity tested — purchases carry a 6-month warranty, full rebuilds up to 1 year.

Buy Batteries

Genuine, tested packs.

I get batteries from service centers and they are 100% genuine. Every pack is quality and capacity tested, and I stand by them with a 6-month warranty.

1

Choose Battery

Browse available batteries and pricing below. Don't see the battery you need? Text me — I have others not listed.

2

Text Details

Text me the specific battery you need, or tell me what tool it's for and I'll give you recommendations.

3

Pickup / Delivery

Arrange local pickup in Iselin, NJ or shipping anywhere.

★ Most Stocked

M18 & M12 Series

$30 – $135

M18 1.5Ah through 12Ah High Output, M12 1.5Ah–5.0Ah. All with 6-month warranty.

Pro Favorites

FlexVolt & XR Series

$60 – $140

FlexVolt 6–12Ah, XR and PowerStack packs. All with 6-month warranty.

Sell Your Batteries

Dead packs are worth money.

I purchase old or damaged batteries for parts and rebuilding projects — as long as there are salvageable parts and cells.

1

Take Pictures

Photograph any labels, model numbers, and the overall condition.

2

Quick Description

Tell me what's wrong with the battery (won't charge, no power, etc.).

3

Text Us

Let me know if you want to trade, sell, or repair your battery.

Ready to get a quote?

Text photos + a quick description.

732-587-3711
Trade Program

Trade old packs for credit.

Whether you're switching brands or your batteries are dead, trade them in for credit towards refurbished or rebuilt packs.

1

Bring Your Battery

Any condition — working or broken batteries accepted.

2

Get Trade Value

I'll evaluate and give you credit based on usable components.

3

Apply Credit

Use it towards any refurbished or rebuilt battery purchase.

Ready to trade your battery?

Text me what you've got.

732-587-3711
Repair & Rebuild

Pick your service tier.

Get your batteries repaired or rebuilt with warranty — and in most cases, upgraded cells.

Tune-Up

Balancing Service

Cells / Charging Evenly
  • Fixes packs where cells are not charging evenly
  • Voltage-checked and load-tested
$25
Targeted Fix

Cell Replacement

Bad Group Swap
  • If one group of cells is bad but the pack isn't too old, I replace just those cells
  • Tested before it goes back
$35–$65
★ Best Value

Full Rebuild / Upgrade

All-New Cells / More Ah
  • Replace all cells with brand-new cells
  • Upgrades capacity and performance
  • Includes 1-year warranty
Quote
⚡ Custom

Custom Builds

E-Bikes / Special Projects
  • Need something unique? Custom packs built to spec
  • Contact me for pricing
Quote
Milwaukee battery rebuild DeWalt battery repair Lithium-ion battery repair Bosch battery rebuild
Need battery repair or rebuild?

Text photos + the problem. I'll diagnose it.

732-587-3711
See Us In Action

Real repairs, on camera.

Watch real repair and upgrade work on my YouTube channel.

Visit My YouTube Channel
What Customers Say

Packs back from the dead.

★★★★★

“Got my DeWalt batteries rebuilt — they work like new!”

— MIKE R.
★★★★★

“They fixed my Milwaukee M18 that I thought was dead. 6-month warranty gave me peace of mind.”

— DAVE S.
★★★★★

“Traded in my old batteries and got credit towards rebuilt ones. Great service!”

— TOM K.
Request Service or Quote

Tell me about your battery.

📱
Call / Text
732-587-3711
📍
Local Pickup
Iselin, NJ