VEVOR
VEVOR 12V 140Ah LiFePO4 Dual Purpose Battery, 1000CCA BCI Group 31 Deep
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Highlights
- Dual Purpose Use: This LiFePO4 lithium battery delivers 1000CCA to start vehicle or marine engines. It also provides a 140Ah capacity to power car refrigerators, vehicle air conditioners, trolling motors, fish finders, solar panels, and more
- BMS Protection: Equipped with a dynamic BMS, this deep cycle lithium battery provides secure operation with overcharge, over-discharge, overcurrent, short circuit, low/high-temperature protection. It also supports automatic heating in cold conditions
- Bluetooth & OTA Support: This car starter battery supports Bluetooth connectivity for real-time app monitoring of capacity, voltage, current, power, cycles, temp, and BMS status. Plus charge/discharge switch and calibration, and OTA access to new features
- ERM Function: The lithium car starting battery automatically preserves 10%–15% power to ensure reliable engine starts. It helps avoid situations where deep discharge leaves insufficient energy to crank the engine
- Battery Size Fitment: This Group 32 lithium marine cranking battery measures 12.99 x 6.77 x 8.66 in (330 x 172 x 220 mm). Please measure your old battery and compare it to ensure compatibility. Any original battery larger than these dimensions will fit
Why You'll Love It
- Crank marine and vehicle engines with 1000 cold cranking amps
- Run appliances, trolling motors, and electronics using 140Ah deep cycle power
- Prevent stranded situations by auto-reserving 10% to 15% charge for engine starts
- Monitor voltage, cycles, and temperature in real time using the Bluetooth companion app
- Maintain performance in chilly conditions with integrated automatic internal heating
- Protect against short circuits, overcharging, and temperature extremes via dynamic BMS
Pros
- +Dual cranking and deep cycle functionality
- +App-based Bluetooth monitoring and OTA updates
- +Built-in automatic cold-weather heating
- +Emergency reserve ensures starting power
- +Comprehensive dynamic BMS protection
Cons
- -Requires checking tray size before purchase
- -Listing provides conflicting Group 31 and 32 designations
Detailed Review
The VEVOR 12V 140Ah LiFePO4 Dual Purpose Battery solves the challenge of needing separate batteries for engine starting and auxiliary power. Delivering 1000CCA alongside a 140Ah capacity, it handles heavy starting demands for vehicles and boats while powering equipment like trolling motors, car refrigerators, vehicle air conditioners, fish finders, and solar setups.
A standout feature is the built-in Emergency Reserve Management (ERM), which preserves 10% to 15% of battery capacity automatically. This prevents deep discharge from draining all your power, ensuring you retain enough cranking energy to start your engine. For power monitoring, integrated Bluetooth lets you check capacity, voltage, current, cycles, temperature, and BMS status directly on your smartphone, while also offering charge/discharge switching and over-the-air (OTA) updates.
Safety and cold-weather operation are managed by an internal dynamic battery management system (BMS). It actively shields against overcharge, over-discharge, overcurrent, short circuits, and extreme temperatures. It also features automatic heating in freezing environments to maintain reliable operation when temperatures drop.
In terms of trade-offs, fitment requires careful measurement. The outer casing measures 12.99 x 6.77 x 8.66 inches, and while the title mentions Group 31, the size description references Group 32. You will need to measure your existing battery compartment to confirm physical compatibility before ordering.
Verdict: This battery is an excellent fit for boaters, campers, and vehicle owners who want a single power source for both engine cranking and running accessories. It offers strong safety controls, real-time wireless tracking, and dependable starting protection in one package.
Specifications
- Chemistry: LiFePO4 Lithium Iron Phosphate
- Voltage: 12V
- Capacity: 140Ah
- Cold Cranking Amps: 1000CCA
- Dimensions: 12.99 x 6.77 x 8.66 in (330 x 172 x 220 mm)
- Wireless Connectivity: Bluetooth with OTA support
- Cold-Weather Function: Automatic heating
Who Should Buy It
A great fit if you:
- Need one battery to start a boat or vehicle engine and run deep-cycle electronics.
- Want live wireless updates on battery capacity, health metrics, and temperature via a mobile app.
- Operate in cold climates and require built-in automatic heating.
- Worry about accessory use draining starting power and want an automatic reserve feature.
Consider something else if you:
- Have a battery compartment smaller than 12.99 x 6.77 x 8.66 inches.
- Prefer a basic setup without app-based controls or smart management systems.
FAQ
What does the ERM function do?
The Emergency Reserve Management function automatically keeps 10% to 15% of the battery power in reserve, ensuring you always have enough power left to crank and start your engine.
What data can I view over Bluetooth?
Through the companion app, you can monitor capacity, voltage, current, power, cycle count, temperature, and BMS status in real time, as well as toggle the charge/discharge switch.
What are the physical dimensions of the battery?
The battery measures 12.99 x 6.77 x 8.66 inches (330 x 172 x 220 mm). Measure your current battery tray to confirm it can accommodate these dimensions.
Does the battery handle cold environments?
Yes, the internal dynamic BMS supports automatic heating in cold conditions along with low- and high-temperature protections.
Product Details
| Brand | VEVOR |
| ASIN | B0GNRVSDYW |
