| Original Brand Original brand | VERTEXVertex | ||
| Original part NoOriginal brand | FNB-V87LI | ||
| Compatible Radio ModelsApplicable Interphone Model | VX-800SERIES | ||
| Cells Used Core usage | Chinese cell or Japanese cell Domestic or imported Japanese cores | ||
| Plastic material Shell material | PC+ABS+fireproofing material PC+ABS+Fireproof material | ||
| Assembly construction Assembly structure | Housings bonded by ultrasonic Ultrasound compaction | ||
| Charger＆radio contacts Charger and Interphone Connection Point | Gold-plate Gold-plated | ||
| Environmental storage | |||
| Charging temperature Charging temperature | +0℃ to +50℃ | ||
| Discharging temperatureDischarge temperature | -20℃ to +60℃ | ||
| Storage temperatureStorage temperature | +25℃ +∕–5℃ | ||
| Storage position Storage | non-critical Non-hazardous area | ||
| PackagePacking | |||
| Inner package Internal packing | PVC Bag and White Box PVCbag+White box | ||
| Outer package Outwrapping | 30*29.5*15 (L*W*H) | ||