HW Manuals & User Guides

HW is a consumer electronics brand focused on advanced battery technology, specifically rechargeable lithium-ion cells with integrated charging capabilities. Best known for their USB-C rechargeable batteries, HW offers a convenient and eco-friendly alternative to disposable alkaline batteries. Their product lineup includes standard sizes such as AA, AAA, 9V, and D cells, all designed with built-in USB-C ports that allow users to charge the batteries directly via a cable without requiring a separate bulky charger.

Often associated with Tiger Head Hi Watt Battery (HK) Co. Ltd., HW products are engineered for longevity and consistent performance. Key features often include 1.5V constant voltage output, LED charging status indicators, and high life cycles of up to 1000 recharges. These batteries are widely used in high-drain devices such as smart door locks, remote control toys, electrical appliances, and cameras.

• Why do HW batteries run out of power quickly on the first use?

  The initial power of the battery is kept low to ensure safety during transportation. It is recommended to fully charge the battery before the first use.

• How do I charge HW USB-C rechargeable batteries?

  These batteries feature a built-in USB-C port. Connect the included USB-C cable directly to the port on the battery itself to begin charging. An external battery charger is not required.

• What does the LED indicator light mean?

  The LED indicator illuminates when the battery is charging. Depending on the specific model, the light may turn off or change color once the battery is fully charged.

• Can I mix HW rechargeable batteries with other brands?

  No, please avoid mixing HW batteries with other brands or mixing old and new batteries. Different voltage levels and discharge rates can cause leakage or damage to your device.