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Technical Support
Talk to a US-based technician. For immediate support call and ask for Technical Support — we will diagnose it with you on the phone.
Call technical support
Monday – Friday, 8 AM – 5 PM CST. Ask for Technical Support. To file a warranty claim, call the line above.
Have this ready
- The model number from the battery label.
- The date code, or your proof of purchase.
- What it is powering, and how it is wired — series, parallel or both.
- The charger make and model, and its profile setting.
- A resting voltage reading if you can take one.
Approved lithium chargers
Pro-Guide Lithium charges at 14.6 V with a 15 V maximum. If a charger exceeds that the BMS trips and the charge profile restarts.
- NOCO Genius — the line we offer today, for its proven lithium charging profile.
- Power Pole Charge
- Minn Kota Precision Series on-board chargers with a lithium profile.
Warranty
Free-replacement and pro-rata terms for every product line, and the downloadable warranty statements, are on Warranty Information.
Common questions
Answers to the most common lead-acid and lithium questions, all on one page.