Constant voltage output at 1.5 voltage, quick charging time under 2 hours, and sufficient recharging times at 1,000 cycles. Besides the Tenavolts battery, the custom travel-friendly charging case supports Micro-USB charge.

Looking for stable performance of high power demand device? Tenavolts is the answer. Tired of long waiting time for charging AA batteries? Tenavolts cuts the total time by 50%. Not enough using time after multiple battery usages? Tenavolts maintains high capacity levels after hundreds of recharging cycles.

For the packages including chargers, Tenavolts offers 4-AA, 2-AA, 20-AA and 4-AAA. For the battery alone sets, there are 4-AA and 4-AAA.

Each Tenavolts AA lithium rechargeable battery holds 2,775 mWh power. Additionally, each Tenavolts AAA lithium rechargeable battery has 1,110 mWh power.

The LED light embedded at the bottom of Tenavolts battery will keep on during the battery recharging process. Once the charging is complete, the LED light will turn off automatically.

Once you've placed your order, the local warehouse usually takes 24 to 48 hours to process it for shipment. Shipping time for the United States covered by our delivery partners are presented below. You can find them when choosing for a delivery method before confirming your order: -Standard shipping: 3-7 days -Expedited shipping (with surcharge): 2-4 days

Once you have placed your order, we will send you a confirmation email for your order. After it is shipped, we will send you another email with couriers and tracking numbers. Currently, in the United States, the package will be delivered by either USPS or FedEx.

We do accept returns in respect to the following conditions: - The item must have been sold on our online store - The item shouldn't have been used in any way - The return or exchange request is made within 28 days of delivery - The return is made within 14 days of the return or exchange request To ask for a return, please contact our support using contact form.