[Automatic 5% OFF] Humsienk 12V 50Ah LiFePO4 Battery for Kayak Canoe Trolling Motor Fish Finder
[Automatic 5% OFF] Humsienk 12V 50Ah LiFePO4 Battery for Kayak Canoe Trolling Motor Fish Finder
[Automatic 5% OFF] Humsienk 12V 50Ah LiFePO4 Battery for Kayak Canoe Trolling Motor Fish Finder
[Automatic 5% OFF] Humsienk 12V 50Ah LiFePO4 Battery for Kayak Canoe Trolling Motor Fish Finder
[Automatic 5% OFF] Humsienk 12V 50Ah LiFePO4 Battery for Kayak Canoe Trolling Motor Fish Finder

[Automatic 5% OFF] Humsienk 12V 50Ah LiFePO4 Battery for Kayak Canoe Trolling Motor Fish Finder

$199.99 CAD $169.99 CAD SAVE $30.00 CAD

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Quantity: 1 PACK (0.64Wh)

1 PACK (0.64Wh)
2 PACK (1.28Wh)
3 PACK (1.92Wh)
4 PACK (2.56Wh)
Tech Specs
Plastic CaseABS
Size7.71 x 5.20 x 6.81 in
Weight10.80 lbs
Nominal Voltage12.8V
Nominal Capacity50Ah
Energy640Wh
TerminalM8
Cycle Life6000@DOD80%
Months Self Discharges3%/Month
Efficiency Of Charge100%@0.2C
Efficiency Of Discharge96~99%@0.5C
Charge Voltage14.6±0.2V
Charge ModeCC/CV
Charge Recommended Current10A
Max. Continuous Charge Current50A
Max. Continuous Discharge Current50A
Charge Low Temperature Protection23~41°F
Discharge Low Temperature Protection-13~5°F
Charge High Temperature Protection140~158°F
Discharge High Temperature Protection149~167°F
Storage Temperature-32°F~140°F
Ingress Protection RatingIP65
Comparision
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)
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Humsienk 12V 50Ah LiFePO4 Battery – FAQ

Can I use this battery to replace my lead-acid battery?

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.

How long will this battery last?

We love to hear from you on our customer service, merchandise, website or any topics you want to share with us. Your comments and suggestions will be appreciated. Please complete the form below.

Can I connect multiple batteries together?

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.

What kind of charger should I use?

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.

Can I use this battery in cold temperatures?

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.

Is this battery waterproof?

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.

What warranty does this battery come with?

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.