Tenergy 7.4V LiPo Airsoft Battery 1000mAh 20C Butterfly Battery Pack with Mini Tamiya Connector for M4, M110, SR25, AK47, MP5K, MP5, Scar, M249 (Optional Charger) TRUSTED QUALITY - Better than the market standard 7.2V NiMH large type batteries, the Tenergy7.4V 1000mAh airsoft rechargeable LiPo batteryis made from high quality LiPo cells. Tenergy nunchuck battery pack for airsoft guns offers more power at a significant reduction battery size and number of battery cells. ONLY use a LiPo balance charger for charging LiPos. THE IDEAL AIRSOFT GUN BATTERY - Tenergy 7.4V airsoft battery pack with Mini Tamiya connector is designed to fit popular models of airsoft guns like M4, Crane Stock, M110, SR25, AK47, MP5K, MP5, SCAR, M249, M240B, M60, G36, M14, RPK, PKM, L85, AUG, G3, upgraded and/or modified AEGs. Will fit many other series and models, we recommend finding the voltage and measuring the gun compartment for best fit. Airsoft LiPo battery dimensions: 4.0 (Length) x 0.8"x (Width) x 0.3 (Height) (per nunchuck). HIGH DISCHARGE RATE - Maximize the performance of your airsoft gun with the TenergyLiPo airsoft batterywith an amazing discharge rate of 20Cand burst discharge rate of 30C. Higher discharge rate airsoft 7.4V LiPo battery will give your gun a faster rate of fire than NiMH batteries of the same size. LIGHT WEIGHT & HIGH CAPACITY - Weighing at only 54g, its lightweight design makes it an ideal battery for bb guns. With a high capacity of 1000mAh, this airsoft rifle battery delivers incredible power with the added benefit of reusability. SAFETY PROTECTED BALANCE CHARGER-With built-in balancer, LiPo hobby batteries are automatically balanced during charging, ensuring full charge for 1S to 4S LiPo/LiFe battery packs with XH type balance connector. The airsoft battery charger is safety protected with reverse polarity, short circuit, over-charge and over-current protection. Buy with confidence, your airsoft LiPo charger includes a 12-month warranty. <span class="a-text-bold"><span class="a-text-italic">ONLY</span></span> use a LiPo Balance Charger to recharge this battery; <span class="a-text-bold"><span class="a-text-italic">DO NOT</span></span> use a NiMH battery charger to charge this battery. <span class="a-text-bold"><span class="a-text-italic">IMPORTANT:</span></span> NiMH chargers can be included with your RC Car or Heli purchase - do not use it with this LiPo battery. <span class="a-text-bold"><span class="a-text-italic">INSPECT</span></span> battery pack for damage (puffiness, broken wires, punctures, etc). <span class="a-text-bold"><span class="a-text-italic">DO NOT</span></span> recharge if damaged. <span class="a-text-bold"><span class="a-text-italic">COOL</span></span> batteries if they are warm during usage or charging. <span class="a-text-bold"><span class="a-text-italic">ALWAYS STORE</span></span>batteries in a cool location. <span class="a-text-bold"><span class="a-text-italic">NEVER</span></span> leave LiPo batteries in warm places. <span class="a-text-bold"><span class="a-text-italic">DO NOT</span></span>overdischargeyour battery, stop usage ifrateof fire drops. <span class="a-text-bold"><span class="a-text-italic">KEEP</span></span> LiPo Batteries out of reach of children and pets. *Note: We recommend double checking the battery pack dimensions with the your gun&#039;s battery compartment to make sure it fits. <span class="a-text-bold"><span class="a-text-italic">DO NOT</span></span> charge the following types of battery: Lead acid battery or VRLA / NiMH or NiCD battery pack / Non-rechargeable battery (explosion hazard) / Faulty or damaged battery / Any other types except for LiPo/Li-ion/LiFePO4 battery packs <span class="a-text-bold"><span class="a-text-italic">NEVER</span></span> attempt to charge 2 battery packs simultaneously. Failure to follow these warnings may result in fire or personal injury.