4pcs Rechargeable Size 312 Hearing Aid Batteries, Hearing Aid Amplifiers Batteries Only Compatible with The Same Brand Charger

Specification:SIZE 312Charging Time: 6-8HBattery last time per charge:10-15H ( Non-Bluetooth hearing aids )4-5H ( Bluetooth hearing aids ) Battery longevity: 300-500 times charging-discharginginput Voltage/Current: 5VMABattery Capacity: 15maH/packMaterial: ABS & MetalPlease Note1. Pleaseconfirm the battery size 312, 13, or 675 before purchase to ensurecompatibility with your hearing aids; buying the wrong size may result inunusable batteries.2. Thebatteries and charging case are designed to work only as a matched set; do notuse them with other brand devices or disposable batteries. 3. When charging, the battery must be placed correctly. Please refer tothe operation manual on the outer packing box of the charger. 4. It is recommended to charge the battery for 6-8 hours. Even if theindicator lights show green light, do not take the battery down in a hurry, sothat the battery can be fully charged. 5. Before charging, keep the battery clean, wipe the battery surfacewith a paper towel, and keep the contact pin of the charging slot clean and instable contact.

• 【15maH Battery Capacity – Size 312】The Size 312 rechargeable battery provides about 4-5H of use for Bluetooth hearing aids and 10-15H for non-Bluetooth hearing aids; fully charges in approximately 6–8 hours for reliable daily performance
• 【Select the Correct Model】 Please confirm the model you need before purchasing (312, 13, or 675). Rechargeable batteries and the charging case must be used together as a set and are not compatible with other brands or disposable batteries
• 【Eco-Friendly & Cost Saving】each battery can be recharged 300–500 times, equivalent to 2–3 years of disposable battery usage; available in pack of 2 or pack of 4 batteries with reusable design suitable for daily use and reduce environmental pollution
• 【Durable & Reliable】 Silver-zinc chemistry ensures excellent conductivity, resistance to leakage, and stable power output;
• The batteries and charging case are designed to work only as a matched set; do not use them with other brand devices or disposable batteries.
• It is recommended to charge the battery for 6-8 hours. Even if the indicator lights show green light, do not take the battery down in a hurry, so that the battery can be fully charged.