The 12V 20Ah Marine Starting LiFePO4 Battery delivers high-current starting power in a compact, lightweight case. It provides 800 CCA, 810 MCA and IP67 protection for compatible marine engines and outboard motors.
800 CCA | 810 MCA | 900 HCA | 9.68 lb | IP67
LiFePO4 starting cells and low internal resistance provide fast current response during engine ignition.
At only 9.68 lb, this battery reduces installed weight and saves space compared with many lead-acid starting batteries.
It also provides low self-discharge, fast charging, no routine water maintenance and long cycle service.
The integrated BMS provides:
Charging stops below 0°C, while discharge protection activates below −20°C.
| Parameter | Specification |
|---|---|
Battery Chemistry | LiFePO4 |
Nominal Voltage | 12.8V |
Rated Capacity | 20Ah |
Rated Energy | 256Wh |
CCA | 800A at −10°C; 650A at −18°C |
MCA / HCA | 810A / 900A |
Peak Discharge Rate | 45C |
Continuous Discharge | 20A |
Maximum Continuous Charge | 30A |
Maximum Alternator Charge | 80A |
Recommended Charge Current | 10A |
Charge Voltage | 14.4V ± 0.2V |
Cycle Life | 4,000 cycles at 100% DOD |
Dimensions | 7.76 × 5.2 × 6.69 in |
Metric Dimensions | 197 × 132 × 170 mm |
Weight | 9.68 lb / 4.39 kg |
Terminals | M6 Bolts |
Housing | ABS |
Protection Rating | IP67 |
Charge Temperature | 0°C–50°C |
Discharge Temperature | −20°C–60°C |
Storage Temperature | −10°C–50°C |
Connection | 1P1S only |
Bluetooth / Self-Heating | No / No |
Check the engine’s required CCA/MCA, charging voltage, alternator output, terminal type and installation space before ordering.
For trolling motors or extended onboard loads, use a deep-cycle marine battery.
With more than 20 years of battery manufacturing experience, we supply boat builders, marine equipment brands, distributors and RV system integrators.
OEM support includes BMS configuration, terminal selection, battery testing, private labeling and volume production.
Frequently Asked Questions
1. Can this battery start an outboard motor?
Yes, if the engine’s required CCA/MCA, charging voltage and alternator output match the battery specifications. This battery provides 800 CCA and 810 MCA.
2. Can it replace a lead-acid marine starting battery?
Yes, after confirming the starting-current requirement, charging system, M6 terminals and installation dimensions.
3. Can it be charged by an outboard alternator?
Yes. The charging voltage should be compatible with 14.4V ± 0.2V. Confirm the alternator output before installation.
4. Can it operate in cold weather?
Yes. It provides 800 CCA at −10°C and 650 CCA at −18°C. Charging stops below 0°C, and discharge protection activates below −20°C.
5. Can it power a trolling motor?
This model is primarily a marine starting battery. Use a deep-cycle marine battery for trolling motors or extended onboard loads.
Send us your engine model, required starting current and order quantity. Our team will confirm compatibility, sample availability, lead time and pricing.
Our standard MOQ varies by product line. For battery packs and modules the MOQ is typically 10 units, and for bare cells it starts at 100 units. Custom OEM and ODM orders are quoted individually based on specification and volume. Contact us for a bulk pricing quote.
Yes. We offer full OEM and ODM services — including custom voltage, capacity, casing, BMS configuration, terminal type and labelling. Our engineering team will work with your specification from concept through to production. Submit your requirements via the Request a Quote page and we will respond within 24 hours.
Products are manufactured to international safety and quality standards including UN38.3, UL, CE and CB. The manufacturing facility holds ISO 9001, ISO 14001 and ISO 45001 accreditation. Certification documents are available on request for compliance and import purposes.
Standard in-stock orders ship within 3 to 7 business days from our Shenzhen facility. Custom OEM and ODM orders typically require 15 to 30 business days depending on specification and volume. We will confirm lead time at the point of order confirmation.
These LiFePO4 batteries can be used as replacements for lead-acid and other lithium chemistries at equivalent voltages. For specific compatibility questions — including BMS communication protocol, charge profile or terminal configuration — contact our technical team with your system specification before ordering.
We ship wholesale orders worldwide from Shenzhen, China. All batteries are packed and labelled in compliance with IATA dangerous goods regulations for air freight and IMDG for sea freight. We can ship EXW, FOB or CIF depending on your requirement. Import documentation including commercial invoice, packing list and certificate of origin is provided with every shipment.
