8.4V NiMH Battery Pack 1100mAh (7x AAA) – Rechargeable Battery for RC Toys, DIY Projects & Electronics
Description
Deliver powerful, stable 8.4V performance to your devices.
This 8.4V NiMH (Nickel-Metal Hydride) Battery Pack is constructed with seven high-quality AAA cells, delivering a robust 1100mAh capacity. As a highly cost-effective and eco-friendly alternative to disposable batteries, this rechargeable pack is engineered for hundreds of charge cycles.
We offer two distinct layout configurations to fit different device compartments:
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1-Row Layout: Seven cells arranged side-by-side in a long, flat rectangular shape. Ideal for wide battery bays. Pre-wired with a standard SM Plug.
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3-Over-4 Staggered Layout: A compact, space-saving block design with three cells on top and four on the bottom. Perfect for tight enclosures. Includes customizable plug options (please contact customer service with a photo of your device's socket).
Important Sizing Note: Dimensions vary significantly between layouts. The 1-Row measures approx. 70x43x10mm, while the 3-Over-4 layout measures approx. 44x40x16mm. Please carefully measure your device's battery compartment before ordering. (Red wire = Positive +, Black wire = Negative -).
【Key Features】
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8.4V & 1100mAh Capacity: Provides strong voltage and reliable runtime for medium-power devices.
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Premium NiMH Chemistry: Rechargeable, eco-friendly, and features a very low memory effect.
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Two Layout Options: Choose between a flat 1-Row design or a compact 3-Over-4 block to maximize space efficiency.
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Flexible Connectors: Standard SM plug included; custom plug types are available upon request for the staggered layout.
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Versatile Compatibility: Ideal for RC cars, boats, DIY robotics, and custom electronics projects.
【Parameters】
| Parameter | Specification |
|---|---|
| Battery Type | NiMH (Nickel-Metal Hydride) |
| Nominal Voltage | 8.4V (7 cells in series) |
| Nominal Capacity | 1100mAh |
| Cell Size | AAA |
| Available Layouts | 1-Row / 3-Over-4 Staggered |
| Connector Options | SM Plug (Standard) / Custom Available |
| Wiring | Red (+), Black (-) |
| Dimensions |
1-Row: Approx. 70mm (L) x 43mm (W) x 10mm (H) 3-Over-4: Approx. 44mm (L) x 40mm (W) x 16mm (H) |
| Weight | Approx. 75g - 80g |
【Applications】
Recommended For:
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RC Toys & Vehicles: Excellent replacement for 8.4V RC cars, boats, and controllers.
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DIY Electronics: Robotics, custom gadgets, and hobbyist builds.
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Portable Devices: Suitable for various medium-drain devices requiring an 8.4V power source.
Not Recommended For:
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Extreme High-Drain Devices: Not suitable for high-power tools where Li-ion or LiPo is required.
【FAQ】
Q1: Does this battery pack come with a charger?
A: No, the charger is not included. You will need a dedicated 8.4V NiMH battery charger.
Q2: Can I customize the plug for the 3-Over-4 layout?
A: Yes! The 3-Over-4 layout supports custom plugs. Please send a picture of your device's socket to our customer service before or after placing your order, and we will match the connector for you.
Q3: How do I know which layout to choose?
A: Measure your battery compartment. If it's long and flat, choose the 1-Row. If you need a compact, square-like block to save space, the 3-Over-4 layout is the better choice.
Q4: Is it normal for the battery to get warm during charging?
A: Yes, slight warming during charging is normal for NiMH batteries. If it becomes excessively hot, please stop charging immediately.
Payment & Security
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Refund Policy
Last updated: November 3, 2026
Returns
Return eligibility depends on the items in your order.
Where returns are accepted, items must be returned in the same condition they were received, unworn or unused, with tags, and in their original packaging or as otherwise indicated in the return instructions. We may reduce your refund if the item has been used, damaged, or handled more than necessary.
Contact us to ask about return options and how to start a return.
How to start a return
Whether return or cancellation requests are accepted depends on the terms above and your rights under applicable law.
Contact us before returning an item.
Unless we state otherwise or applicable law requires otherwise, you are responsible for return shipping costs for change-of-mind returns.
Damages and issues
Please inspect your order when you receive it and contact us immediately if an item is defective or damaged, or if you received the wrong item.
Exceptions and non-returnable items
Some items may not be eligible for return, as stated in the return terms above or on the product listing, website, or in-store at the time of purchase.
Contact us if you have questions about whether a specific item can be returned.
Exchanges
Contact us to ask about exchange options before returning your item.
Refunds
We will notify you after we receive and inspect your return and let you know whether the refund was approved. If approved, you will be refunded to your original payment method, unless otherwise stated. Your bank or payment provider may need additional time to process and post the refund.
If you do not see your refund within a reasonable period of time since your refund was approved, contact us.
This policy does not limit any rights you may have under applicable consumer protection laws, including rights that may apply if goods are defective, not as described, not delivered within the required or agreed timeframe, or otherwise do not comply with applicable law.
Contact
To request a cancellation, start a return, inquire about a return, ask about an exchange or report damaged items, please contact us at support@powerpackhub.com or use the contact details in our contact information policy.