Multi-level fixed battery card slot for battery measurement of various specifications.

FEATURES:
- 
Measurable battery types: various button batteries, 5, 7, 9V square batteries, etc.
- 
Function: It can measure whether the battery is full or not. The color of the indication indicator is as follows.
         Red (RE-PLACE replacement or RE-CHARGE charging): If the indicator pin points to this  block, the battery under test needs to be replaced or recharged, that is, the battery is basically unusable;
        Yellow(LOW): The battery is very low, but some appliances can also be used.
        Green (GOOD): The battery is fully charged
- 
ABS engineering plastic material, light and compact, easy to use.
- Environmental friendly and portable
SPECIFICATIONS:
- Material: ABS engineering plastic.
- Type: A/B.\
- Weight: 55G
- Size: 10CM* 7CM* 1.5CM
PACKAGE INCLUDES: