JJC 28 Slots AA Double A Battery Case Holder with Removable Battery Tester, Water-ResistantShockproof AA Battery Storage Box

The JJC Battery Storage Case is made of high quality ABS material, sturdy and durable. It can hold up to 28 AA batteries. The custom fit batteries holder helps to neatly hold the batteries snugly in place within the slots, keeps batteries in well organized, and prevents accidental contact between batteries from causing a fire or explosion. The custom interior EVA foams of upper cover and bottom features sound absorption, which can greatly reduce sound caused by moving or vibration, and better protect battery ends from scraping. The battery case comes with a battery tester working for AA or AAA battery. It’s handy and easy to see if batteries are still good. Easy to open and close the battery case by the ergonomic locking system. The battery case can not only provide your batteries with a better protection, making them away from short circuit, but also keep your batteries neatly to prevent loss. How to use the battery tester？ Place your test battery into the battery checker (the anode of battery must correspond to “” of battery tester; the cathode of battery must correspond to “ ” of battery testerand look at the indicator to quickly find out the power level. Battery Capacity Criteria(Good(Low(Replace/Recharge Specification Material: ABSEVA foamSilica gel Item Size: 4. 8x4. 3x3. 0” Item Weight: 9. 2 ounces.