Tenergy 9.6V Airsoft Battery High Capacity 1600mAh NiMH Flat Battery Pack with Mini Tamiya Connector for Airsoft Guns MP5, Scar, M249, M240B, M60, G36, M14, RPK, PKMCategory: Us Army M249Description and Benefits:PEAK PERFORMANCE PACK - Tenergy’s high performance batteries provide more playtime; our 9.6V 1600mAh NiMH rechargeable battery are made of 8-cell 2/3A NiMH batteries.THE IDEAL AIRSOFT GUN BATTERY - Fits popular models of airsoft guns like: MP5, SCAR, M249, M240B, M60, RPK, PKM, G36C, M4A1-RIS/M4A1, CAR 15, MP5SD6, MC51, FNP90, G3A4 and others. For upgraded and/or modified AEGs, we recommend measuring the gun compartment for best fit. FAST CHARGE & LASTING CAPACITY - Tenergy's 9.6V NiMH battery features rapid charge up, long run time, and compatibility with the Tenergy 6V-12V RC battery charger.BATTERY PACK CONFIGURATION - Replacement battery for airsoft gun dimensions: 4.72'' (length), 1.38'' (width) and 0.73" (height). Weighs 6.91 oz.MINI TAMIYA CONNECTOR - The electric airsoft battery with Tamiya battery pack connector, mini Tamiya female connector assembled with 16 G wire.Battery Specifications:Battery Type: Nickel Metal Hydride Battery (NiMH Battery)Voltage: 9.6VBattery Capacity: 1600mAhBattery Weight: 6.91 ozBattery Connector: Mini Tamiya female connectorMax Discharge Rate: 10CBattery Dimension: 4.72" (length), 1.38" (width), 0.73"(height)Wire: 16 G WireExtend your NiMH battery pack life with the following practices:Fully recharge your new battery pack when you first receive it.Do not over-discharge the battery, stop using it when you notice a drop in performance.Do not over-charge the battery, remove the battery from charger when you are done recharging.Heat lowers battery life, do not charge or discharge the battery when it's hot. Always let the batteries cool down to room temp before using itarging it.Do not store the battery with low voltage, recharge after each use to avoid over-discharge.Always store the battery in a dry and cool place, never expose it to heat or direct sunlight.Recharge the battery once every 6-month, if they will be unused or stored long term.WARNING - DO NOT CHARGE LiPo BatteriesDO NOT CHARGE: if the label on your battery says: LiPO, LIPO, Li-Po, LI-PO, Li-Polymer, Li-Poly, Lithium Polymer, Li-ion, Lithium-Ion, Lithium.Caution: LiPo battery packs may often have two sets of leads/connectors - do not charge if identified as LiPo battery.Failure to follow these warnings may result in fire or personal injury.Contact our customer support team if you are unsure if your battery can be charged.