OptiMate 4 Dual Program Charger product photo via optimate1.com

Photo via optimate1.com

OptiMate

OptiMate 4 Dual Program Charger

Motorcycle Gadgets

$89.95

Battery tender with a CAN-bus mode for BMW and modern electronics.

A nine-step charger that diagnoses, recovers and maintains lead-acid batteries through the winter. The dual program handles standard SAE leads and BMW CAN-bus sockets, and it will not overcharge if you leave it connected for months.

Some links on this page are affiliate links. If you make a purchase, we may earn a commission at no additional cost to you. Our recommendations are editorially independent.

Share this pick

Where to buy — 1 retailer compared

Latest recorded prices from North American retailers. Every store we track is listed and the cheapest is badged. Amazon is our only paid partner, so it is shown first; the other links earn us nothing.

Key specs

modes
Standard / CAN-bus
steps
9
output
12 V 1 A

OptiMate 4 Dual Program Charger

Live price at Amazon. We may earn a commission at no extra cost to you.

Check price on Amazon

Related buying guides

Free weekly newsletter

The Gear Post Weekly

New gear, useful gadgets and deals worth knowing about — one email a week. No spam, unsubscribe in a click.