AmpForge ™
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How It Works
How It Works
- Clip the alligator clamps to the battery posts (or use the SAE quick-disconnect lead)
- Plug the unit into any 100-240V wall outlet
- Press MODE to pick STD&AGM, Lithium/LiFePO4, or Repair
- The charger auto-detects 6V or 12V and sets safe charge current
- Walk away — float mode keeps the battery topped off without overcharge
- Display shows live voltage and stage so you know when charging is complete
What's Included
What's Included
- AmpForge 60W charger unit (1)
- Alligator-clamp lead with reverse-polarity guard
- Ring-terminal lead with SAE quick-disconnect for permanent install
- 100-240V power cable
- User manual with chemistry/voltage chart
Shipping & Returns
Shipping & Returns
We offer free shipping for all orders. Once your item/s is dispatched,
the estimated delivery time is:
- USA: 2-9 business days
- UK: 5-13 business days
- Australia: 5-13 business days
- Canada: 2-12 business days
- Europe: 5-13 business days
You have 90 days to return your product for a full refund.
AmpForge
One Charger Handles Every Battery — No Adapters, No Guessing
All-Chemistry Mode Switch
One press of MODE selects STD, AGM, GEL, SLA, EFB, Flooded, or LiFePO4. Covers every battery chemistry in a multi-vehicle garage.
6V + 12V Auto-Detect
Charger reads battery voltage and sets output safely — 6V for the classic restoration, 12V for the truck. No hardware switch, no wrong-mode disasters.
8-Point Protection Stack
Reverse-polarity, short-circuit, overcharge, overload, temperature, voltage-spike, overheat, undervoltage guards. Hook it up backward, nothing fries.
Climate-Compensated Output
Internal sensor adjusts current from 10°F garage cold to 100°F summer heat. Temperature-compensated charging without paying double for the EU unit.
What our 17,000+ Customers say
Based On Real and Honest Experiences
AmpForge changed how my whole garage runs. Three chargers, three drawers, a tangle of adapters I never found when I needed them. Now one unit handles the truck, the bike, and the boat without a single adapter.
Bought AmpForge for my Indian Chief sitting through a Minnesota winter. Garage hits -10°F and the last tender quit in the cold. AmpForge held the AGM at full all season on climate-compensated mode — turned the key in April and it started right up.
I was skeptical on pulse repair — hooked an old AGM I was about to trash to AmpForge in Repair mode overnight, and it climbed from 10.2V to 12.6V across three cycles. Color me converted.
Frequently Asked Questions
Can I leave it connected all winter without damaging my battery?
Can I leave it connected all winter without damaging my battery?
Once full, AmpForge drops to float mode and delivers only the trickle to offset self-discharge. Hook it up in October and the battery stays at peak health through April — no sulfation, no over-discharge damage.
How long does it take to charge a dead 12V battery?
How long does it take to charge a dead 12V battery?
At 60W, a 12V motorcycle battery (8-12Ah) charges in about 2-4 hours. A 50Ah AGM marine battery takes 8-12 hours. AmpForge shows live voltage and charge stage so you always know where you stand.
What happens if I clip the clamps on backward?
What happens if I clip the clamps on backward?
The reverse-polarity guard cuts power before any current flows. No spark, no blown fuse, no fried ECU. You'll see an error on the display — swap the clamps and the unit resumes normally on the right polarity.
Does it really work on a 1965 Mustang or other 6V classic?
Does it really work on a 1965 Mustang or other 6V classic?
Yes. The unit auto-detects 6V vs 12V at the clamps. Pre-1956 GM, Ford, and Mopar 6V systems charge correctly without any switch flip. Same unit handles the 12V battery in your daily driver.
Will it bring back a battery that has been sitting dead?
Will it bring back a battery that has been sitting dead?
Repair mode sends high-frequency pulses to break sulfation off lead plates — the buildup that kills neglected batteries. Independent testers have seen AmpForge bring batteries from 10.2V to 12.6V over a few cycles.
Does it support lithium batteries on the new motorcycle?
Does it support lithium batteries on the new motorcycle?
Yes. The Lithium/LiFePO4 mode runs the correct charge profile for lithium-iron-phosphate packs, which need a different curve than lead-acid. Safe on the new bike, the lithium accessory bank in the boat, and lithium lawn-tractor batteries.
Will it run on my 240V European outlet or sailboat shore power?
Will it run on my 240V European outlet or sailboat shore power?
Yes — the input accepts anywhere from 100V to 240V, 50/60Hz. Use it in the US garage, on a European trip with a plug adapter, or on dockside shore power without a step-down transformer.
Can I use it on multiple vehicles in the same week?
Can I use it on multiple vehicles in the same week?
Yes. AmpForge handles that scenario — charge the truck Monday, move to the Goldwing Tuesday, plug into the boat Wednesday. Press MODE for the right chemistry, clip the clamps, and the unit auto-detects 6V or 12V.