Race Formula Graphene V4-SS Mudboss (7.4V)Competition Battery

Introducing the cutting-edge V4-SS (Stock Spec) line, the Mudboss, meticulously engineered for the demands of competitive oval racing. Crafted with an innovative cell chemistry boasting 7.4V (2S) configuration. This battery redefines performance standards, and that is going to propel you beyond the limits of Mudboss class racing experiences.



DO NOT charge the battery on a wooden workbench or on any flammable material.
DO NOT leave the battery in your model when charging.
DO NOT charge the battery inside a motor vehicle, or in a vehicle’s engine compartment.
DO NOT leave unattended when charging.
NEVER allow the battery voltage to drop below 3.0V per cell.
ALWAYS charge the battery with a Li-Po charging bag .
ALWAYS balance charge the battery at or below the specified charging rate.
ALWAYS discharge the battery to its 30% of capacity in storage.
ONLY charge Li-Po batteries with a charger designed specifically for charging Li-Poly batteries. Using other types of chargers may cause explosion or fire.
Maclan Racing ships the batteries with a 30% charge. The initial charging time of the battery will be shorter when compared to a fully discharged battery pack.
Li-Po batteries do not have a memory effect like NiMH and NiCD batteries. You do not need to fully discharge the battery completely before you recharge it
NEVER short the Li-Po battery connectors! Handle all Li-Po batteries with care. Li-Po batteries can deliver extremely high currents if shorted and subsequently can cause fire or injury.
ALWAYS store Li-Poly batteries in a secure fireproof location where children cannot reach them.
Store your batteries in a cool, dry place. Do not leave your battery exposed to direct sunlight or temperatures below 32 degrees Fahrenheit (0 degrees Celsius) or above 122 degrees Fahrenheit (50 degrees Celsius).
NEVER overcharge or over-discharge your battery.


The Lithium-ion batteries do not contain toxic metal elements. Rather, they contain recyclable materials and are recommended to be disposed under the recycling program. Dispose in accordance with applicable regulations which vary from country to country. Batteries should be completely discharged and/or the terminals taped or capped to prevent short circuits. When completely discharged, it is not considered hazardous. Disposal of large quantities of Lithium-ion polymer batteries or cells may be subject to the local regulations concerned.

Disclaimer & Warranty

All Maclan Racing batteries are covered by manufacturer warranty against defects in materials and workmanship for 90 days after the original purchase date. The warranty will not cover batteries that have been modified, disassembled, or otherwise misused according to the item’s instructions. Maclan Racing is not responsible for bodily injury and/or property damage that may occur from the use of, or caused by, this battery. The warranty covers dead cells, or cells with voltage charge errors (voltage off between cells more than .5 of a volt when balanced). The warranty does not cover puffed or swollen battery packs as it is typically caused by misuse or excessive heat.

Part Number MCL6054
Pack Style: Stick 2S (7.4V)
Capacity: 5200mAh
Discharge Rate: 50C
Pack Dimensions: 139mm x 47mm x 25.1mm
Pack Weight: 290g±3g
Connector Size: Deans T Style