【Perfect Compatibility】The joy con battery replacement fully compatible with Nintendo Switch HAC-015 HAC-016 HAC-A-JCL-C0 HAC-A-JCR-C0 Joy-Con Controller. Battery Model: HAC-006/HAC-A-BPJMX-C0 【More Power, More Fun】4X Joy-Con controller runtime with a complete backup package including four 525mAh joycon replacement battery and a tool set. Adopt premium Grade A+ cell for longer battery lifespan. No memory effect so that you can charge battery at anytime. Enjoy more gaming time and get more fun 【Safe and Reliable】CE/RoHS/UKCA safety certification, meets OEM standards. Built-in multiple circuit protection to prevent joy-con battery from over-charge, over-current, short-circuit, high-temperature, and surge protection. Also use high quality and fireproof structure to effectively avoid safety problems 【Battery Specification】Volt: 3.7V, Capacity: 525mAh. Comes with 4 x HAC-006 replacement battery + 1 x tool set. You could watch YouTube videos for installation instructions. If you have any needs or problems, please feel free to contact us. We’re always here for you 【Warm Tip】To reach the optimum effect of battery, please drain the joycon battery for the first three times before charging, and then take a full charge. Please note that its full performance and longevity is only achieved after 3 to 5 complete charge and discharge cycles Specifications:
Battery type: Li-ion
voltage: 3.7V
Capacity: 525 mAh
Whether Rechargeable: Chargeable

Compatible with:
Compatible with Switch HAC-006 HAC-015, HAC-016 Left & Right Controller.

Package included:
4 Pack HAC-006 Battery

Cautious:
1.Do not connect improperly.
2.Do not dispose of battery in fire as they may explode, battery may also exploded if damaged.
3.Do not expose the battery to liquid or subject to strong mechanical shocks