Great buy, works right out the box, plug and and play, would definitely recommend.
[Automatic 5% OFF] Humsienk 12V 50Ah LiFePO4 Battery for Kayak Canoe Trolling Motor Fish Finder
| Plastic Case | ABS |
| Size | 7.71 x 5.20 x 6.81 in |
| Weight | 10.80 lbs |
| Nominal Voltage | 12.8V |
| Nominal Capacity | 50Ah |
| Energy | 640Wh |
| Terminal | M8 |
| Cycle Life | 6000@DOD80% |
| Months Self Discharge | s3%/Month |
| Efficiency Of Charge | 100%@0.2C |
| Efficiency Of Discharge | 96~99%@0.5C |
| Charge Voltage | 14.6±0.2V |
| Charge Mode | CC/CV |
| Charge Recommended Current | 10A |
| Max. Continuous Charge Current | 50A |
| Max. Continuous Discharge Current | 50A |
| Charge Low Temperature Protection | 23~41°F |
| Discharge Low Temperature Protection | -13~5°F |
| Charge High Temperature Protection | 140~158°F |
| Discharge High Temperature Protection | 149~167°F |
| Storage Temperature | -32°F~140°F |
| Ingress Protection Rating | IP65 |
| Specification | 12V 50Ah | 12V 100Ah (Bluetooth) | 12V 150Ah Bluetooth |
|---|---|---|---|
| Price | $89.99 | $119.99/$139.99 | $219.99 |
| Capacity (Wh) | 640Wh | 1280Wh | 1920Wh |
| Bluetooth | / | / | Yes |
| Cycle Life | 15,000+ Deep Cycles | 15,000+ Deep Cycles | 15,000+ Deep Cycles |
| BMS Protection | 50A BMS | 100A BMS | 110A BMS |
| Low-Temperature Protection | ✅ | ✅ | ✅ |
| Waterproof Rating | IP65 | IP65 | IP65 |
| Expandable Capacity | Up to 10.24kWh (4S4P) | Up to 20.48kWh (4S4P) | Up to 30.72kWh (4S4P) |
| Dimensions (inches) | 7.7 x 5.1 x 6.7 | 10.2 x 6.6 x 8.2 | 13.07 x 6.89 x 8.74 |
| Weight (lbs) | 11.5 lbs | 23.0 lbs | 28.66 lbs |
| Certifications | SDS, UN38.3, FCC, CE, ROHS, UL | SDS, UN38.3, FCC, CE, ROHS, UL | SDS, UN38.3, FCC, CE, ROHS, UL |
| Applications | Light-duty (small RVs, fish finders, golf carts) | Medium-duty (RVs, trolling motors, campers) | Heavy-duty (off-grid solar, large RVs, marine use) |
| Shop now | Shop now | Shop now |
Humsienk 12V 50Ah LiFePO4 Battery – FAQ
Yes, this LiFePO4 battery is a drop-in replacement for most 12V lead-acid batteries. It has the same voltage output but is much lighter, more efficient, and longer-lasting. However, ensure your charger is compatible with lithium batteries (with a charging voltage of 14.4V–14.6V). If your system includes a lead-acid charger with desulfation or equalization modes, avoid using it, as it may damage the battery.
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Yes, this battery is designed for series and parallel connections:
- Series connection (up to 4 batteries) – to increase voltage (24V, 36V, or 48V systems).
- Parallel connection (up to 4 batteries) – to increase capacity (e.g., 12V 200Ah by connecting four 50Ah batteries).
This allows flexibility for larger energy storage setups in solar systems, RVs, and backup power solutions.
To maximize battery life, use a 12V lithium charger with a constant voltage of 14.4V–14.6V. A dedicated LiFePO4 charger ensures proper charging without overvoltage risks. Charging with a lead-acid charger may work, but avoid chargers with desulfation or equalization functions, as they can harm lithium batteries.
Yes, but with some limitations:
Discharging: Works fine in temperatures as low as -20°C (-4°F).
Charging:The built-in low-temperature protection prevents charging below 0°C (32°F) to avoid battery damage. If you need to charge in cold weather, warm the battery above freezing first before charging.
The Humsienk 12V 50Ah LiFePO4 battery has an IP65 rating, meaning it is resistant to dust and water splashes. This makes it suitable for marine use, RVs, and outdoor applications. However, it is not designed for full submersion, so keep the terminals dry and avoid placing it in standing water.
This battery includes a 5-year warranty along with lifetime technical support. If you experience any issues, Humsienk’s support team is available to help troubleshoot and provide assistance.





