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One Battery, Two Powers— From Outboard Starts to Onboard Power
Tired of carrying two heavy batteries? Only one LiTime 12V 165Ah dual purpose lithium marine battery is born for two purposes. With 1200CCA, it reliably cranks fuel-powered outboard motors up to 300HP, even in cold conditions. With 2112Wh capacity and 4000+ cycles, it keeps your fish finder, trolling motor, lights, and other onboard electronics running without worry.
Reliable Starts Even in the Cold
No more weak cranking or slow starts. With 1200 CCA at 14°F and 1300 MCA at 32°F, LiTime 12V 165Ah dual-purpose marine battery delivers instant, confident engine starts in any weather. Whether you’re running a Mercury, Honda, Suzuki, Evinrude, or Tohatsu outboard, you’ll have the power you need to fire up quickly and head out without worry.
Smart Bluetooth Made Monitoring with Ease
Check battery status, switch on, or manage discharge directly from your phone. Manage 15% emergency reserve or emergency discharge with one tap. Plus, with the newest OTA upgrades, LiTime 12V 165Ah dual purpose lithium battery always stays updated with the latest LiTime BMS features.
Upgrade to 12V 165Ah for Stronger Power
LiTime 12V 165Ah dual purpose lithium battery takes performance to the next level. With 1200CCA@14℉(vs. 1000CCA), 150A BMS (vs. 140A), and 2112Wh energy (vs. 1792Wh), it upgrades from 140ah at smoother engine starts, more reliable power for your electronics, and extended runtime on every trip.
Compact Design, Maximum Capacity
LiTime 12V 165Ah dual purpose lithium battery delivers 76% more energy (2112Wh) while saving 50% space and cutting 75% weight compared to two 12V 100Ah lead-acid. Enjoy easier installation, more storage room, and longer runtime—all in the compact Group 31 size.
IP67 Protection, Marine-Grade Confidence
LiTime 12V 165Ah dual purpose lithium battery comes with IP67 protection—water-proof, dust-proof, and salt-spray-proof. Whether you’re navigating rough seas, fishing in saltwater, or docking along the coast, it provides reliable performance and long-lasting durability in the harshest marine environments.
Built for Safety, Proven to Last
LiTime 12V 165Ah dual purpose marine battery features self-developed BMS with 20+ smart protections—guarding against overcharge, over-discharge, overcurrent, overheating, and short circuits. Upgraded with low-temp cut-off, moisture and salt-spray resistance, plus 30s auto-recovery from overload, it ensures dependable performance even in harsh environments.
One Battery Does It All
LiTime 12V 165Ah dual purpose lithium marine battery lets you crank your outboard with confidence and power your onboard electronics all day—lights, radar, fish finder, and more. One battery, no extra hassle.
4 Charging Methods
Whether you use LiFePO4 battery charger, outboard alternator, generator, or solar panel, you can fully charge your battery efficiently and reliably.
Upgraded dual-purpose battery with Smart Power Reserve Mode for safer, longer adventures.
Marine Starting & Deep Cycle Performance: Delivers 1200 CCA / 1300 MCA for instant cranking and steady power supply — perfectly engineered for fuel-powered outboard motors.
2-in-1 for Start & Power: One battery handles both engine starting and onboard electronics (fish finders, trolling motors). Save space, shed weight, and cut dual-battery costs.
Smart Power Reserve Mode: Automatically reserves 15% power for a safe engine restart when your battery runs low. Default ON, controllable anytime via the LiTime App.
Reliable Cold-Start Power: With 1200 CCA (@14 °F) and 1300 MCA (@32 °F), the battery delivers instant, effortless ignition — even on freezing mornings.
Bluetooth 5.0 Monitoring: Remotely OTA upgrade, control discharge & check status via LiTime APP. No more worry about SOC guessing to avoid the unexpected power outages.
Auto Heating Tech: Automatically activates below 41 °F (5 °C) to enable charging, warms the battery to 50 °F (10 °C) for normal use, and stops discharge at -4 °F (-20 °C) for protection in extreme cold.
Fits Most Fuel-Powered Outboard Motors: Compatible with Mercury, Honda, Suzuki, Evinrude, Tohatsu, and more. ABYC E-13 compliant for safe and reliable marine installation.
Compact Yet More Powerful: Upgraded to 165Ah / 2112Wh in the same Group 31 size — 1.65× more energy than standard LiFePO4 and 3.5× more energy at half the weight of lead-acid.
10-Year Lifespan: Built with EV-grade LiFePO4 cells for 5000+ cranking and 4000+ deep cycles.
Upgraded from the best-selling 140Ah Version: More capacity, higher CCA, smarter control, and enhanced protection — a true next-generation marine lithium upgrade.
Protection Upgrade: This LiTime product is covered by AIG Product Liability Insurance, effective from May 22, 2026.
Please Note:
1. Not for use as a starter battery in vehicles (cars, motorbikes, tractors, etc.).
2. Not compatible with generators without a built-in regulator.
3. Check your engine's CCA before installation. For help, contact us.
BATTERY
Cell Type：LiFePO4
Warranty：2 Years
Cycle Life：≥ 5000 Cranking Times
Nominal Voltage：12.8V
Rated Expansion (Parallel & Series)：Dual Purpose: 4P1S; Energy Storage: 4P4S
Internal RED,FCC ID
Hot Cranking Amps (HCA)：1500A
Marine Cranking Amps (MCA)：1300A
Cold Cranking Amps Continuous Output Power：1920W
Max. Continuous Charge Current：150A
Max. Continuous Discharge Current：150A
Max. Charge Current (Outboard Method：CC/CV
Charge Voltage：14.4V ± 0.2V
Recommend Charge Temperature：-20°C to 50°C / -4°F to 122°F
Discharge Temperature：-20°C to 60°C / -4°F to 140°F
Storage Temperature：-10°C to 50 °C / 14°F to 122°F
Low-Temperature Protection：√
Automatic Discharge Charge Charging Temperature：Charge: -20°C to 5°C / -4°F to 41°F
Approx. Heating Time：40-70 mins (from -10°C/14°F); 80-120 mins(from -20°C/-4°F)
Required Minimum Charge Current for Heating Bolts
Weight Approx.：33.49 lbs
Size：L13*W6.77*H8.5 in (Group 31 Size)
Housing Material：ABS
Protection Include:
1* 12V 165Ah Dual Use Lithium Battery
Pls note the charger is not included. If the battery is used on a boat and charged while fixed to the vessel, a waterproof charger is required. However, if you bring the battery ashore and use it indoors, a standard charger can be used.
On Jul 23, 2026 at 20:12:23 PDT, seller added the following information:
