The Overlander 5300 mAh 2S 7.4 V 55 C Hard-Case LiPo Battery (EC5) – 3141EC5 is a robust, competition-ready pack engineered for power-hungry RC cars, trucks, and buggies that demand both durability and performance.
Why choose the Overlander 3141EC5?
Housed in a protective hard case and built with precision-matched Fullymax cells, this 5300 mAh battery delivers consistent high current with a 55 C burst rating—ideal for racing or heavy bashing conditions. It combines rugged construction with dependable performance, making it a go-to pack for serious RC enthusiasts.
What’s included?
- One 5300 mAh 2S (7.4 V) LiPo hard-case battery
- EC5 connector for secure, high-current transfer
- 10 AWG silicone leads and JST-XH balance plug
Performance & output
Delivering 30 C continuous discharge (159 A) and 55 C burst (291.5 A), the 3141EC5 powers aggressive accelerations, high-speed runs, and long sessions with ease. This ensures you stay in control during demanding race or off-road conditions.
Built for endurance
The Sport-Track series is produced under strict cleanroom conditions. Every cell is matched for voltage, resistance, and weight—providing balanced discharges and long-term reliability. The reinforced hard-case shell shields the cells from impacts and vibration, ensuring your battery lasts longer under stress.
Connector & compatibility
The EC5 connector is designed for high-current ESC setups and ensures reliable power delivery. Alternative connector types such as Deans, Traxxas, or XT90 are available from Overlander to suit other configurations.
BRCA-approved for competition
The Sport-Track range is BRCA approved, making it suitable for competitive use in RC racing events where certified packs are mandatory.
Dimensions & weight
Compact yet powerful, the pack measures approximately 139 × 47 × 26 mm and weighs around 259 g—perfect for most RC vehicle trays without sacrificing runtime or output.
Ideal applications
- 1/10 and 1/8 RC cars, trucks, and buggies
- Track racing requiring high bursts of power
- Off-road bashing where durability is key
- Long session driving where runtime matters
Safe use & maintenance tips
- Always charge using a LiPo balance charger
- Store at 3.8–3.85 V per cell when not in use
- Inspect connectors and wiring before each run
- Keep the battery firmly strapped in your RC chassis to avoid internal damage
User feedback
RC hobbyists praise the 3141EC5’s reliability, reporting it withstands rough handling and heavy current draws with no swelling or performance drop-off. Racers also appreciate the EC5 connector’s ability to handle high current without heating, ensuring smooth delivery lap after lap.
Benefits summary
- Durable hard-case design protects against impact
- High capacity with sustained and burst power delivery
- Matched cells ensure long life and consistent output
- EC5 connector supports high-amp systems
- BRCA approval for competition assurance
Final thoughts
The Overlander 3141EC5 is a trusted, rugged LiPo battery designed for racers and bashers alike. Combining strength, performance, and proven cell quality, it’s an excellent upgrade for your RC system—buy Overlander 3141EC5 today.
Brand, Model & Product Type
- Brand: Overlander
- Model: 3141EC5
- Product Type: 5300 mAh 2S 7.4 V 55 C Hard-Case LiPo Battery with EC5 Connector
Electrical Specs
- Capacity: 5300 mAh
- Voltage: 7.4 V (2S)
- Discharge: 30 C continuous (159 A) / 55 C burst (291.5 A)
- Energy: 39.22 Wh
Construction & Dimensions
- Hard-case Sport-Track design for added durability
- Dimensions: approx. 139 × 47 × 26 mm
- Weight: approx. 259 g
Connectors
- Main Connector: EC5
- Balance Connector: JST-XH
Cell Quality
- Fullymax cells matched for voltage, resistance, and weight
- Produced under cleanroom conditions
- BRCA approved for racing standards
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
