
Revive & Protect
Lithium
smart charger
Made for 12V lithium-ion and LiFePO4 batteries. It charges to full, holds the battery there, and wakes a battery whose BMS has shut it off.
- Output
- 12V, 1.2 A
- Input
- USB-C
- Size
- 56 mm
- Ships across the US and Canada
- Secure checkout with card or PayPal
- Not sure it fits? Ask us before you buy
Product description
Lithium batteries protect themselves: when the voltage drops too low, the built-in BMS switches the battery off and ordinary chargers can't see it. This charger detects that state, wakes the battery gently, then charges and maintains it.
Good for
- Sport bikes with lithium batteries
- Snowmobiles
- Jet skis with LiFePO4 upgrades
- Race and track cars
- RV and camper house batteries
- Lightweight starter batteries
Is it the right one?
Look at the battery's own label. If it says LiFePO4, lithium iron phosphate or lithium-ion, this is the right charger. AGM, GEL or flooded batteries need the Lead Acid Smart Charger.
- Batteries
- 12V lithium-ion and LiFePO4
- Output
- 12V, 0.75 to 1.2 A
- Power input
- USB-C, PD and QC compatible
- Size
- 56 mm
- Weight
- 180 g
- BMS wake-up
- Yes, wakes BMS-protected batteries
- Label
- Blue label, marked LI-ION / LIFEPO4
- In the box
- To confirm from the packaging
- Warranty
- To confirm with Chargewise
- SKU
- CW-12V-LI
How it works
Three steps in the fall. Nothing to do until spring.
- 1
Connect it
Attach the output lead to the battery: red to positive (+), black to negative (−).
- 2
Plug in USB-C
Use a USB-C PD or QC power source: a wall charger, a power bank or a vehicle USB-C port.
- 3
Leave it
It charges the battery to full, then switches to maintaining. Leave it connected until the season starts.

Running lead acid instead?
Lead acid
smart charger
Keeps a stored 12V lead acid battery full all season, then hands it back ready to start. Clip it on, plug it into any USB-C charger, and walk away.
Questions before you buy
Can't find your answer? Ask us and a real person will reply.
Which charger do I need?
Check the label on the battery. AGM, GEL, SLA, flooded or "maintenance free" means lead acid. LiFePO4 or lithium means lithium. Both chargers are 12V only.
Can I leave it connected all season?
Yes. That's what it's for. Once the battery is full, the charger switches to maintaining and only tops it up as it drains.
What USB-C power source does it need?
Any USB-C charger or power bank that supports PD or QC fast charging. Most modern phone and laptop chargers do.
Will it work on a 6V or 24V battery?
No. Both chargers are made for 12V batteries only.
What vehicles is it for?
Anything with a 12V battery that sits for weeks or months: motorcycles, boats, jet skis, snowmobiles, ATVs, RVs, classic cars and lawn tractors.
Do you ship to Canada?
Yes. We ship across the United States and Canada.
We're here to help
Contact us
Not sure which charger fits? Send us the battery model.
Get in touchShipping and returns
Delivery times across the US and Canada, and how returns work.
Shipping detailsWarranty
What's covered and how to make a claim.
Warranty detailsUser guide
Connecting, charging and what the light on the charger means.
Read the guide