Litime Portable Battery Box Fits Group 24/27/31 Size Batteries for Boats, Marine, RV, Trailer, Trolling Motor
Quick take
This portable battery box is designed for Group 24/27/31 batteries and adds convenience features that many DIY setups lack: external terminals for charging and use without opening the case, a built-in voltmeter, and a set of 12V accessory ports (two 15A cigarette-style outlets, plus QC3.0 and Type-C). The main buying caveat is fit and weight, since some heavier lead-acid configurations may be harder on the enclosure and carry hardware.
Pros and cons
Pros
- Built for Group 24/27/31 battery sizes, with internal dimensions listed for compatibility.
- External terminals let you connect a charger without opening the box, plus a built-in voltmeter for real-time voltage monitoring.
- Includes a 12V accessory system: two 15A cigarette ports, one QC3.0 port, and one Type-C port.
- Lightweight portable design (about 3.04 lb) that’s easier to move than many enclosures.
Cons
- Battery type and practical loading matter, since limited buyer feedback suggests the enclosure may not suit very heavy lead-acid builds.
- More expensive than basic DIY or simpler storage solutions if you only need a basic hold-down case.
- You still need to confirm your battery’s dimensions match the listed internal size, not just the group number.
What buyers think
Buyer-review evidence is limited, but the feedback that exists clusters around a few themes. Many reviewers highlight that the box fits Group 31-style batteries they struggled to accommodate elsewhere, and that the external terminals make charging and disconnecting straightforward. Several comment on the build being solid for its size and on how easy it is to carry for uses like trolling motors and off-grid DC power setups. At the same time, at least one detailed review raises a weight and fit concern with a heavier flooded lead-acid battery, suggesting this may be a better match for lighter lithium Group 24/27/31 batteries than for much heavier setups. Overall sentiment is positive where the battery size and weight are a good match.
What it is and who it’s for
The Litime Portable Battery Box is a compact battery storage container meant for mobile, outdoor DC applications such as boats, RVs, travel trailers, trailers, and trolling motor battery setups. It’s built around one main idea: make a battery installation more usable by bringing out the connection points and monitoring features to the outside of the enclosure.
It’s a strong fit if you want a “grab-and-go” box for a correctly sized Group 24/27/31 battery, and you value convenience features like external terminals, a voltmeter, and multiple charging ports for phones and small electronics.
Key features that affect day-to-day use
Compatibility for group 24/27/31 batteries
It’s designed around internal dimensions of approximately L14 x W8.11 x H8.66 inches, with external dimensions of about L16.54 x W9.84 x H12.6 inches. If your battery truly matches the listed internal space, buyers tend to like the fit, especially for batteries like Group 31 that can be awkward in generic boxes.
External terminals, without opening the case
A major convenience point is that you can connect a charger and make use connections through the external terminals. This reduces friction during routine charging and swapping, particularly for setups stored in hatches or compartments.
Built-in voltmeter for quick checks
The built-in voltmeter is meant for real-time battery voltage monitoring while in use, so you can make decisions without removing the battery or hunting for a separate gauge.
12V accessory output options
The box includes a 12V outlet system with two 15A cigarette-style ports, plus QC3.0 and Type-C outputs for multi-device charging. This is useful if the battery powers more than just one device, like a trolling motor plus everyday DC electronics during camping or day trips.
Safety and power management
There is an integrated 16A automatic reset circuit breaker intended to cut off power if there is a DC overload. This is a practical feature for outdoor use where you might plug in different accessories over time.
Pros and cons in plain terms
When it’s a good choice
- You have a Group 24/27/31 battery that fits the listed internal dimensions.
- You want external terminals and a voltmeter so you can charge and monitor without opening the enclosure.
- You need convenient 12V charging ports for a mix of devices (two cigarette outlets, QC3.0, and Type-C).
- You prefer a lightweight battery box for mobile setups where carrying matters.
When you should think twice
- Your battery is significantly heavier than expected for the box’s practical use. Limited review evidence suggests the enclosure and handle may struggle with very heavy flooded lead-acid batteries.
- You only need basic storage and hold-down support, not voltmeter monitoring or multiple charging ports.
- You are unsure your battery’s dimensions match what’s listed, even if the battery claims a compatible group size.
Battery type considerations (what to verify before buying)
The box is described for lithium, lead-acid, gel, and other battery types, but buyer feedback indicates that very heavy configurations may not be a comfortable match. If you’re using a heavier flooded lead-acid battery, double-check the practical loading for your setup (battery weight, how often the box is moved, and how you handle it). If you’re using a lighter lithium setup, it appears to align more closely with how buyers describe successful everyday use.
Value: is it worth it?
At its best, this battery box reduces the work of building a portable DC power “module” by combining an enclosure with external terminals, voltage monitoring, and charging ports. It can be a good value if you would otherwise spend time sourcing and mounting those pieces separately. If you mainly need a simple battery case and don’t care about external access, built-in voltage readouts, or integrated charging ports, you may find cheaper storage options that do the basic job.
Price and availability
Price varies by retailer and can change frequently. Check the current listing to confirm the most up-to-date cost and any included accessories. Buy on Amazon
Alternatives to consider
If you are choosing a battery storage container and this one doesn’t feel like the right match, compare alternatives using these criteria rather than brand or “group” labels alone:
- Actual internal dimensions: make sure the battery fits without forcing terminals or straps.
- External access: decide whether you want external charging terminals and/or integrated ports.
- Monitoring: determine if you need a built-in voltmeter.
- Portability and handle strength: if you plan to move it often, prioritize options designed for your battery weight and handling style.
- Output needs: check whether you want USB-C or QC charging, or just basic connection terminals.
Verdict
The Litime Portable Battery Box is a convenient, portable battery enclosure built around Group 24/27/31 sizing, with external terminals, a built-in voltmeter, and practical 12V accessory charging outputs. It’s especially appealing for RV, marine, and off-grid users who want a cleaner setup and easier charging routine. Just be careful about battery weight and how you plan to handle the box, since limited feedback suggests heavier flooded lead-acid batteries may stress the enclosure more than lighter lithium setups.
FAQ
What battery sizes does this box fit?
It’s designed to fit Group 24/27/31 batteries, with listed internal dimensions of approximately L14 x W8.11 x H8.66 inches. Always verify your battery’s real dimensions match.
Does it let you charge without opening the box?
Yes. It includes external terminals, so you can connect a charger without opening the enclosure for routine charging.
What ports are included for charging devices?
It includes a 12V accessory system with two 15A cigarette-style ports, one QC3.0 port, and one Type-C port.
Is it safe for outdoor or mobile use?
The box is intended for outdoor applications like boats and RVs. It includes a 16A automatic reset circuit breaker for overload protection, and it’s designed to allow external connections while keeping the battery enclosed.
Does it work with lithium and lead-acid batteries?
The box is described as compatible with lithium, lead-acid, gel, and other battery types. However, buyer feedback suggests heavier flooded lead-acid setups may be harder on the enclosure and handle, so confirm weight and fit before relying on it for a heavy battery.
How much does the battery box weigh?
The box weighs about 3.04 pounds, making it relatively easy to transport compared with many heavier battery enclosures.
Specifications
| Product Title | Litime Portable Battery Box Fits Group 24/27/31 Size Batteries for Boats, Marine, RV, Trailer, Trolling Motor Includes 12 Volt Accessory Socket, Built-in Voltmeter |
|---|---|
| Category | Electronics > Household Batteries, Chargers & Accessories > Battery Storage Containers |
| Brand | Litime |
| Manufacturer | Litime |
| Model Name | 1 |
| Model Number | LT-Battery Box |
| Item Weight | 3.04 Pounds |
| Number of Batteries | 1 Lithium Ion batteries required. |
| Built-In Media | no |
| Warranty Description | 1 Year Warranty |
| Item Type Name | Battery Box |
| Battery Capacity | 100 Amp Hours |
| Voltage | 14.6 Volts (DC) |
| Reusability | Rechargeable |
| Amperage | 100 Amps |
| Compatible Phone Models | Fits with Group 24/27/31 Batteries |
| Unit Count | 1.0 Count |
| Item Dimensions | 16.54 x 9.84 x 12.6 inches |
| Antenna Location | For Boats, Marine, RV, Trailer, Trolling Motor |
| Battery Cell Type | Lead Acid |
| Battery Cell Composition | Lead Acid |
| Recommended Uses For Product | For Boats, Marine, RV, Trailer, Trolling Motor |
Available variants
Model
- LT-Battery Box
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