The right hump RC NiMH battery can improve runtime, simplify installation, and help your RC vehicle deliver consistent performance. This roundup covers high-capacity 7-cell packs for larger models alongside compact receiver batteries for smaller setups.
Before buying, verify the required voltage, connector, physical dimensions, and charger compatibility. Capacity matters, but a battery that does not fit your tray or plug into your vehicle is not a useful upgrade.
Best 10 Hump Rc Nimh Batteries Picks for 2026
Best High-Capacity Pick
Traxxas Power Cell 5000mAh Hump Pack
- 5000mAh, 7-cell, 8.4V NiMH pack
- Low-resistance cells and 12AWG wire
- Built for compatible Traxxas models
Best For: Power-hungry Traxxas cars, trucks, and boats
Best Receiver Battery Value
Tenergy 6V 1600mAh Hump Pack 2-Pack
- Two 6V, 1600mAh NiMH packs
- Hitec connector for compatible receivers
- Compact side-by-side design
Best For: RC receiver electronics and compatible Hitec systems
Best Traxxas Mid-Range Option
Traxxas Power Cell 3000mAh Hump Pack
- 3000mAh, 7-cell, 8.4V NiMH battery
- Designed for Traxxas 1/10-scale vehicles or larger
- Includes high-current connector and 12AWG wire
Best For: Compatible Traxxas vehicles needing a moderate-capacity pack
Best Tamiya-Plug Alternative
melasta 8.4V 4200mAh Hump Battery
- 4200mAh, 7-cell, 8.4V NiMH design
- Uses a standard Tamiya discharge plug
- One-year warranty listed
Best For: Standard 8.4V RC cars with Tamiya connectors
Best Value Pair
OVONIC 8.4V 3200mAh Hump NiMH Battery
- Two rechargeable 8.4V, 3200mAh packs
- XT60-to-TRA connectors included
- Approximately 10% longer stated cycle life
Best For: Buyers needing two versatile replacement packs
Best Smart-System Pick
Spektrum 8.4V 3300mAh Smart NiMH Hump Battery
- 3300mAh seven-cell NiMH pack
- Integrated IC3 connector
- Branded Spektrum accessory
Best For: RC owners with IC3-compatible vehicles
Best with Extra Features
Traxxas 4200mAh 7-Cell Hump Pack
- 4200mAh, 8.4V, 7-cell configuration
- Low-resistance cells and 12AWG wiring
- Designed for Traxxas 1/10 vehicles or larger
Best For: High-capacity power for compatible larger Traxxas vehicles
Best Receiver-Pack Upgrade
Traxxas 1200mAh 5-Cell Receiver Hump Pack
- Replaces stock AA packs in Traxxas nitro vehicles
- Rechargeable receiver-battery design
- Aims to improve run time and reduce weak-battery glitches
Best For: Receiver power in compatible Traxxas nitro vehicles
Best Balanced Value
Traxxas 3300mAh 7-Cell Hump Pack
- 3300mAh, 8.4V, 7-cell format
- Low-resistance cells with 12AWG wiring
- Made for Traxxas 1/10 vehicles or larger
Best For: A balanced-capacity pack for compatible Traxxas vehicles
Best High-Capacity Pick – Traxxas Power Cell 5000mAh Hump Pack
Traxxas 2961X Series 5 Power Cell 5000mAh NiMH 7-Cell, 8.4V Battery (hump pack)
Check Price On AmazonFor drivers seeking strong runtime and output, this Traxxas 8.4V hump pack is a high-capacity option among hump rc nimh batteries. Its 5000mAh rating, low-resistance cells, 12AWG wire, and high-current connectors are suited to power-hungry Traxxas models.
Best For: Traxxas cars, trucks, and boats that need maximum listed capacity and robust power delivery.
Pros:
- 5000mAh capacity for extended runtime potential
- 7-cell, 8.4V NiMH configuration
- Low-resistance cells, heavy-duty welded tabs, and 12AWG silicone-jacketed wire
- Traxxas High-Current Connector and iD-equipped design
Cons:
- Higher-capacity pack weighs about 1.2 pounds
- Compatibility should be checked with the vehicle and charging setup
- No warranty is specified
This is the performance-focused choice in the group, particularly for compatible Traxxas models. Its larger capacity and reinforced construction make it attractive when power and runtime matter more than minimizing pack weight.
Best Receiver Battery Value – Tenergy 6V 1600mAh Hump Pack 2-Pack
This Tenergy side-by-side pack is a practical receiver-battery option among hump rc nimh batteries. The 6V, 1600mAh NiMH design includes a Hitec connector and comes as a two-pack, making it useful for compatible RC receiver electronics.
Best For: RC cars, trucks, and receiver systems that use a 6V Hitec-connector battery pack.
Pros:
- Two rechargeable packs included
- 1600mAh capacity and 6V output
- Compact 50 x 30 x 30mm size and approximately 117g weight per listed specification
- Can be recharged without first fully discharging
Cons:
- Lower capacity than the larger 8.4V packs in this selection
- Hitec connector limits plug compatibility
- Fit must be confirmed against the original pack dimensions
Choose this Tenergy pack when you need receiver power rather than a high-output drive battery. Confirm the connector, dimensions, and required voltage before ordering.
Best Traxxas Mid-Range Option – Traxxas Power Cell 3000mAh Hump Pack
The Traxxas 2926X offers a lower-capacity alternative for compatible vehicles while retaining the brand’s 8.4V, 7-cell format. It is a straightforward choice among hump rc nimh batteries for Traxxas 1/10-scale vehicles or larger.
Best For: Compatible Traxxas 1/10-scale vehicles or larger where a 3000mAh 8.4V pack is appropriate.
Pros:
- 3000mAh rechargeable NiMH capacity
- 7-cell, 8.4V hump-pack configuration
- Low-resistance cells and flexible 12AWG silicone-jacketed wire
- Traxxas High-Current Connector and iD-equipped design
Cons:
- Less capacity than the 5000mAh Traxxas option
- Vehicle and charger compatibility still need verification
- No warranty is specified
This pack balances the familiar Traxxas connector and construction features with a more moderate capacity. It makes sense when your vehicle supports the format and you do not need the maximum runtime offered by the larger pack.
Best Tamiya-Plug Alternative – melasta 8.4V 4200mAh Hump Battery
The melasta 8.4V pack is a versatile alternative among hump rc nimh batteries, combining a 4200mAh rating with a standard Tamiya discharge plug. Its 7-cell construction and listed 42A amperage suit compatible standard 8.4V RC cars.
Best For: Standard 8.4V RC cars that use a Tamiya plug and have room for the listed hump-pack dimensions.
Pros:
- 4200mAh capacity for substantial runtime potential
- 7 MELASTA Racing Cells in an 8.4V NiMH configuration
- Standard Tamiya discharge plug
- One-year warranty is listed
Cons:
- Tamiya plug may not fit vehicles using another connector
- Approximately 482g, making it heavier than the compact receiver pack
- Physical clearance must be checked against the 140 x 46.8 x 44.5mm dimensions
For RC owners who need a Tamiya-compatible 8.4V hump pack, this melasta model offers a useful middle ground between capacity and compatibility. Verify the plug, tray space, and charging requirements before purchase.
Best Value Pair – OVONIC 8.4V 3200mAh Hump NiMH Battery
OVONIC 8.4V Hump NiMH Battery 3200mAh 7 Cell RC Battery with XT60 and TRA Connector
Check Price On AmazonIf you need dependable hump RC NiMH batteries for multiple vehicles, the OVONIC pack offers a practical two-battery bundle. Each rechargeable pack provides 8.4V, 3200mAh capacity, seven cells, and XT60-to-TRA First Gen connector support.
Best For: RC owners who want two replacement batteries and broad compatibility across cars, trucks, airplanes, boats, or drones, provided the voltage, dimensions, and connector match.
Pros:
- Includes two 8.4V, 3200mAh seven-cell hump packs.
- Includes XT60-to-TRA First Gen connectors.
- Advertised with approximately 10% longer cycle life than the original version.
- Compact 136 × 48 × 45.5 mm form factor.
Cons:
- Requires a NiMH-specific charger and should not be charged unattended.
- Connector and battery dimensions must be checked against the vehicle.
- The listing contains inconsistent chemistry details, so verify the specification before purchase.
Its two-pack format and included adapters make this a convenient choice for hobbyists who need a spare or run multiple RC models. Confirm fitment and use the recommended 0.2–0.5C charging rate.
Best for Everyday Use – melasta 8.4V 4200mAh Hump NiMH Battery
The melasta 8.4V 4200mAh pack is a high-capacity choice among hump RC NiMH batteries. Its seven-cell design is intended for 1/10-scale vehicles or larger and uses a TRX plug, making plug and compartment measurements important before ordering.
Best For: RC car, truck, and boat owners prioritizing longer runtime and a stated maximum discharge current of 42 amps.
Pros:
- 4200mAh capacity supports extended runtime.
- Seven-cell 8.4V NiMH configuration for compatible RC vehicles.
- TRX plug is suited to compatible Traxxas-style applications.
- Rechargeable without requiring a full discharge first.
Cons:
- Only one battery is included.
- TRX plug limits compatibility unless the vehicle or adapter matches.
- At approximately 510g, it is heavier than some lower-capacity options.
Choose this pack when capacity and output matter more than minimizing weight. Compare the 140 × 46.8 × 44.5 mm dimensions with the original battery compartment and charge it with a compatible NiMH charger.
Best Smart-System Pick – Spektrum 8.4V 3300mAh Smart NiMH Hump Battery
Spektrum Accessories 3300mAh 7-Cell 8.4V Smart NiMH Hump Battery; IC3, SPMX33007C3H
Check Price On AmazonThe Spektrum Accessories pack is a straightforward option for RC owners looking for a branded 8.4V solution among hump RC NiMH batteries. It combines a seven-cell, 3300mAh rechargeable NiMH battery with an IC3 connector.
Best For: Remote-control vehicle owners whose model is compatible with an IC3-connected 8.4V seven-cell hump battery.
Pros:
- 3300mAh capacity balances runtime and pack size.
- Seven-cell 8.4V rechargeable NiMH construction.
- Factory-equipped IC3 connector.
- Branded Spektrum accessory with a clearly identified model number.
Cons:
- Only one battery is included.
- IC3 connector compatibility should be confirmed before purchase.
- The listed dimensions are 6.9 × 2.3 × 2 inches, so compartment fit requires checking.
This is a sensible fit when your RC vehicle already uses the IC3 ecosystem and you want a clearly specified replacement pack. Verify the connector, battery space, and charger compatibility before buying.
Best with Extra Features – Traxxas 4200mAh 7-Cell Hump Pack
For drivers searching for hump RC NiMH batteries for larger Traxxas vehicles, this 8.4V, 7-cell pack emphasizes capacity, current delivery, and durable construction. Its 4200mAh rating is the manufacturer’s minimum capacity rating, and the pack uses low-resistance cells, 12AWG silicone-jacketed wire, welded tabs, and Traxxas High-Current Connectors.
Best For: Traxxas 1/10-scale vehicles or larger where longer run potential and strong acceleration are priorities.
Pros:
- High 4200mAh capacity for a NiMH hump pack
- 8.4V, 7-cell configuration for compatible Traxxas vehicles
- Low-resistance cells and heavy-duty welded tabs
- Includes flexible 12AWG wire and High-Current Connectors
Cons:
- Compatibility is geared toward Traxxas vehicles and the specified connector system
- Heavier than smaller receiver-style packs at about 1.2 pounds
- No warranty is listed in the supplied details
This is the strongest capacity-focused option in the group, making it a practical choice when your compatible Traxxas model can accommodate a 7-cell, 8.4V hump pack and you want the manufacturer’s premium construction features.
Best Receiver-Pack Upgrade – Traxxas 1200mAh 5-Cell Receiver Hump Pack
This receiver-focused option is among the more specialized hump RC NiMH batteries, replacing stock AA battery packs in Traxxas nitro vehicles. It is rechargeable and designed to provide more power and longer run times than stock AA packs while helping reduce glitches associated with weak batteries.
Best For: Traxxas nitro vehicle owners who need a rechargeable receiver battery pack in place of stock AA batteries.
Pros:
- Replaces stock AA battery packs in compatible Traxxas nitro vehicles
- Rechargeable design can reduce recurring battery replacement costs
- Offers more power and longer run times than stock AA packs
- May help reduce glitches caused by weak AA batteries
Cons:
- Intended for receiver use rather than powering the vehicle’s main motor
- Compatibility is specifically centered on Traxxas nitro vehicles
- Supplied specifications contain inconsistent capacity and voltage entries
Choose this pack for its receiver-battery role, not as a substitute for a high-voltage drive battery. Confirm the required fit and electrical specifications for your nitro vehicle before ordering.
Best Balanced Value – Traxxas 3300mAh 7-Cell Hump Pack
For shoppers comparing hump RC NiMH batteries, this 8.4V, 7-cell Traxxas pack offers a lower-capacity alternative to the 4200mAh model while retaining the same general construction approach. It features low-resistance cells, 12AWG silicone-jacketed wire, welded tabs, and Traxxas High-Current Connectors.
Best For: Compatible Traxxas 1/10-scale vehicles or larger when a 3300mAh pack suits the vehicle and intended use.
Pros:
- 3300mAh capacity in an 8.4V, 7-cell configuration
- Low-resistance cells support the pack’s performance-focused design
- Durable welded tabs and flexible 12AWG wiring
- Traxxas High-Current Connectors included
Cons:
- Lower stated capacity than the 4200mAh alternative
- Designed for compatible Traxxas vehicles and connector requirements
- Supplied details list the pack as single-use despite identifying it as NiMH
This pack is a sensible middle-ground choice for compatible Traxxas models: it provides the same 7-cell, 8.4V format and robust component design as the higher-capacity option, with a lower stated capacity.
How We Picked the Best Hump Rc Nimh Batteries
We selected these batteries based on practical factors that matter to RC owners: voltage and cell count, stated capacity, connector options, intended vehicle use, brand compatibility, and overall versatility. The list includes well-known Traxxas and Spektrum packs as well as third-party alternatives from Tenergy, melasta, and OVONIC.
Because RC battery fitment varies by model, we treated compatibility as more important than capacity alone. A 7-cell, 8.4V hump pack is suitable for many brushed RC vehicles, while 5-cell, 6V packs are generally intended for receiver systems. Always confirm your vehicle or receiver specifications before ordering.
Quick Comparison
- Longest-runtime options: 5000mAh and 4200mAh 7-cell packs are suited to extended driving sessions.
- Balanced everyday choices: 3000mAh to 3300mAh batteries offer a useful compromise between runtime, weight, and charging time.
- Compact receiver power: 1200mAh and 1600mAh 6V packs are designed for receiver boxes and auxiliary electronics.
- Connector flexibility: Options include Traxxas, Tamiya, XT60, IC3, and Hitec-style connectors, so plug compatibility must be checked carefully.
Key Buying Factors for Hump Rc Nimh Batteries
Voltage and Cell Count
Seven-cell packs provide 8.4V when fully charged and are common in compatible RC cars and trucks. Five-cell packs provide 6V and are typically receiver batteries. Do not substitute one voltage for another unless your vehicle or electronics specifically support it.
Capacity and Runtime
Measured in milliamp-hours, capacity indicates how much energy the pack stores. Higher numbers usually mean longer runtime, but they can also add weight, bulk, and charging time. Choose the largest capacity that fits securely without upsetting the model’s balance.
Connector and Physical Fit
Check both the plug and the battery tray. Traxxas, Tamiya, XT60, IC3, and Hitec connectors are not interchangeable without the correct adapter or wiring change. The hump layout also needs enough clearance around the vehicle’s battery compartment.
Charging and Care
Use a charger designed for NiMH chemistry and the battery’s cell count. Avoid charging a NiMH pack unattended, inspect leads and shrink wrap regularly, and store the battery dry and away from extreme heat. Follow the manufacturer’s charging-current recommendations.
Who Should Buy Which Hump Rc Nimh Batteries?
Choose a high-capacity 4200mAh or 5000mAh pack if extended driving time is your priority and your model has room for the added size and weight. These are especially useful for larger brushed trucks and cars.
Choose a 3000mAh to 3300mAh pack for general recreational driving, easier handling, and a more balanced combination of runtime and charge time.
Choose a 6V receiver pack when you need power for a receiver box rather than the vehicle’s main motor. Confirm the connector and available space before purchase.
For the safest replacement, match the original battery’s voltage, cell count, connector, and dimensions first. Then select the highest practical capacity that suits your driving style and charger.