{"product_id":"dallab-dp900-replacement-battery-37v-2600mah-li-ion","title":"DALLAB DP900 Replacement Battery 3.7V 2600mAh Li-ion","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eDALLAB DP900 \/ xg 500p — 3.7V Li-ion Replacement Battery (GB\/T18287-2000)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 2600mAh (9.62Wh) Li-ion battery for the DALLAB DP900 and xg 500p handheld PDA units. It replaces the original cell when capacity fade makes the device unusable through a full work shift. Fits the standard battery bay with no modification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDP900 and xg 500p compatibility:\u003c\/strong\u003e\n    Both units run the same 3.7V single-cell architecture and share the GB\/T18287-2000 form factor. The connector pinout and BMS communication protocol match across this platform, so the same cell covers both models.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through charge and discharge on PDA-class test rigs. The onboard BMS handled thermal monitoring correctly and cut off at the expected low-voltage threshold without locking the charge circuit.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eSync before you swap:\u003c\/strong\u003e\n    PDA devices like the DP900 hold open files and application state in RAM powered directly by the main battery. Pull the cell without syncing to a host first and that unsaved data is gone. Do a full host sync before removing the battery.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the DP900 won't boot after a new battery is installed\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA brand-new Li-ion cell ships at a storage charge — typically around 3.0V to 3.3V. The DP900 boot sequence requires a minimum voltage threshold before it will initialise the OS. If you drop a fresh cell in and press power with no result, the battery is not faulty — it just hasn't been charged yet. Connect to a charger for at least 30 to 60 minutes before attempting to boot, and the unit should respond normally.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBattery indicator reading full but device dying mid-scan\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe DP900's fuel gauge calibration is tied to the original cell's discharge curve. After swapping to a new battery, the gauge can report inaccurate percentages until it completes one full charge-discharge cycle. Meanwhile, the barcode scanner LED and active wireless radio draw significantly more current than standby, which can trigger the low-voltage cutoff faster than the gauge suggests. Run one complete charge from flat to full, then discharge under normal scanning load, and the indicator will recalibrate to reflect actual remaining capacity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43415944233050,"sku":"BWCS-ET280XL-1","price":32.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 2 Year","offer_id":43415944265818,"sku":"BWCS-ET280XL-2","price":36.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 3 Year","offer_id":43415944298586,"sku":"BWCS-ET280XL-3","price":40.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-ET280XL-big.webp?v=1779758396","url":"https:\/\/batteryweb.com\/products\/dallab-dp900-replacement-battery-37v-2600mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}