YW-015 3.8V 5150mAh Replacement Battery for PAX A77 POS Terminal
Brand new upgraded YW-015 rechargeable lithium-ion replacement battery, OEM fully compatible with PAX A77 handheld Android smart POS payment terminal. Standard 3.8V nominal voltage & genuine large 5150mAh capacity (19.57Wh), built-in intelligent full BMS multi-protection circuit, identical shell size and gold contact pins as original factory high-capacity battery, zero hardware modification required for DIY swap. Stable long endurance for supermarket checkout, catering, takeaway and outdoor mobile payment scenarios, ideal spare replacement for daily store use and POS repair shop bulk inventory stock.
