Swiss Arms 8.4v 3000mAh NiMH Block Battery

Swiss Arms
Code: 603260
  • 8.4v 7S
  • 300mAh
  • Block Battery

That one full weekend battery you can trust, at a safer voltage and an incredibly large 3000mAh capacity this will suit a wide range of Airsoft support guns and also RC vehicles and projects.

Full description


Suitable for those wishing to go out on a weekend shoot or last all day with no short stints before failure. Also a great battery for home electronic projects or RC builds.

With the large mAh rating, depending on the device you use the battery in you can expect hours of enjoyment. This is a very big block battery and measures in at 15.5cm long not including the 12cm length of wiring including the large Tamiya connector.

Within Airsoft this is a battery desirably used within support rifles or M!6 variants with a large stock cavity for storing such a beast.


  • 8.4v
  • 7s (cells)
  • Large robust Tamiya connector
  • 3000mAh life

Package Includes:

  • Swiss Arms - 8.4v 3000mAh NiMH Block Battery

Special Instructions:

When charging any type of battery please make sure that it is done in a fire safe environment, and you are using the correct charger. This type of battery is a Ni-Mh Battery, and as such requires an Ni-MH Battery Charger. We recommend that all Batteries be charged in a fire resistant location, and inside a Fire Proof bag, such as the VP Racing Battery Giant Power LI-PO GUARD Charging Bag.



Product Length
Approx. 15.5cm
Product Height
Approx. 4.5cm
Product Width
Approx. 2.2cm
Weight KG Icon
Weight (KG)
Approx. 0.4kg
Patrol Base - Warning Icon

Battery Specification

Battery Type
Battery Configuration
Battery Connector
Patrol Base | Icon | Large Tamiya
Large Tamiya
Battery Voltage
Battery Amperage
Battery Cell Count
Battery Cell Voltage
Battery Cell Height
Battery Wire Length

Size guide

Airsoft Battery should only be charged with the chargers as they are specifically designed to work with the specific voltages required by the battery.

Different battery types have different chemical configurations, and require certain chargers to charge them. Charging a battery with the wrong charger can cause damage to the battery and charger, and can cause fires and further damage. Please ensure that before charging you double check that you are using the correct charger.

If your charger supports multiple battery types always ensure that it is on the correct settings before starting the charge.

If you are unsure of what battery or charger you have please get in touch with us via the Contact Us Page.

What goes well with a battery? Well, these do!