WinPower FAQ
Direct answers about the WinPower 12V 100Ah LiFePO4 Battery, Model ZM12100, setup and ordering.
Frequently Asked Questions
What is the WinPower ZM12100?
It is a WinPower 12V 100Ah LiFePO4 deep-cycle battery, Model ZM12100.
What are the main specifications?
12.8V nominal voltage, 100Ah capacity, 1280Wh rated energy, LiFePO4 chemistry, 14.6V charge voltage, 20A standard charge current, 100A maximum charge current, 100A continuous discharge and 300A / 3 sec peak current.
What does 1280Wh mean?
1280Wh is the nominal energy calculation: 12.8V × 100Ah. Usable energy varies with load, inverter efficiency, temperature, wiring and battery condition.
How much does it weigh?
Exact-model tested mass is 10.3kg / approximately 22.7lb.
What are the dimensions?
Engineering dimensions are 327 × 170 × 218mm, approximately 12.87 × 6.69 × 8.58in.
Is shipping free and where does WinPower ship?
Yes. Free shipping is available within the contiguous 48 United States. Alaska, Hawaii, U.S. Territories, APO/FPO and PO Boxes are excluded.
How long do processing and delivery take?
Processing typically takes 1–3 business days. Estimated delivery is 5–10 business days after shipment. Tracking is provided after shipment; carrier selection may vary based on destination and lithium battery shipping requirements.
What warranty is included?
The ZM12100 includes a 1-Year Limited Warranty. See the Warranty page for coverage and claim steps.
Is the battery waterproof?
Use the tested wording IP65 Tested. The model passed IP6X dust and IPX5 water-jet testing; this is not an immersion rating.
Is the battery UL Certified?
No formal UL Listed or UL Certified claim is made. The ZM12100 has an ANSI/CAN/UL 2743:2023 test report.
Can it be used for RV, marine, trolling motor or solar storage?
Yes, for compatible 12V deep-cycle systems with correctly sized wiring, protection and LiFePO4 charging. It is positioned as a deep-cycle energy-storage battery, not an engine-starting battery.
What charger should be used?
Use a LiFePO4-compatible profile. Published charge voltage is 14.6V, standard charge current is 20A and maximum charge current is 100A.
What happens near freezing temperatures?
Low-temperature charge cutoff behavior was observed at approximately 0°C during testing. Published charging guidance is 0°C to 50°C; discharge guidance is -20°C to 60°C.
Where can I find product evidence?
See Testing & Compliance and Product Documents.