3.7v 1800mAh Battery Replacement for Corsair HS70, HS80, HS75 XB Void Pro RGB Virtuoso RGB SE Wireless Headset Packing list: 1 x 1800mAh LiPo battery Specifications: Battery Type: Polymer Lithium-ion Rechargeable Battery. Battery capacity: 1800mAh Nominal Voltage: 3.7V Fully charged 4.2V. Cutoff voltage：3.0V . Power: 6.66Wh Weight: 0.85 ounce Check the order of the wires on the battery Before replacing the battery, compare the new battery with the old battery to check the polarity of the battery. The red competition is a positive pole and black is the negative electrode. If the position of the wire is the opposite, the position of the wire needs to be swapped. How to reverse the cables on the Corsair HS70 Pro (and other models) Wireless Gaming Headset You will need to take the wires out of the plastic plug and reverse them. To do this,take the small blade you own, very gently pry up the two plastic tabs on the top of the plug. To reverse/Swap Wires on the Corsair HS70 Wireless Gaming Headset You will need to take the wires out of the plastic plug and reverse them. To do this,take the small blade you own, very gently pry up the two plastic tabs on the top of the plug. In the Plastic Plug to Reverse Wires The polarity of the red and black wires was reversed in comparison to the original battery in the HS70 Pro headset. You will need to take the wires out of the plastic plug and reverse them only. To do this, take the small blade you own, very gently pry up the two plastic tabs on the top of the plug one at a time, and gently pull the wire out of the plastic plug. 3.7V 2600mAh 9.62Wh Rechargeable Li-ion Battery with XH2.54mm-2Pin Plug 3.7V 2600mAh 9.62Wh Rechargeable Li-ion Battery with XH2.54mm-2Pin Plug _2Pack 3.7V 2600mAh 9.62Wh Rechargeable Li-ion Battery with XH2.54mm-2Pin Plug _4Pack 3.7V 2600mAh 9.62Wh Rechargeable Li-ion Battery with JST Pitch2.0-2Pin Plug 3.7V 2600mAh 9.62Wh Rechargeable Li-ion Battery with JST PH2.0-2Pin Plug _2Pack 5200mAh 3.7v Rechargeable Li-ion Batteries with JST-2Pin Plug Add to Cart Add to Cart Add to Cart Add to Cart Buying Options Add to Cart Customer Reviews 4.3 out of 5 stars 139 4.0 out of 5 stars 2 — 4.0 out of 5 stars 20 5.0 out of 5 stars 2 4.6 out of 5 stars 12 Price $11.85$11.85 $21.99$21.99 $45.99$45.99 $11.99$11.99 — no data $16.99$16.99 Battery pack ✓ ✓ ✓ ✓ ✓ ✓