{"product_id":"globalstar-tr-203-replacement-battery-37v-900mah-li-ion","title":"Globalstar TR-203 Satellite Communicator Replacement Battery 3.7V 900mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eGlobalstar TR-203 — 3.7V Li-ion Replacement Battery (GS910)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V 900mAh Li-ion cell that replaces part number GS910 in the Globalstar TR-203 satellite communicator. The TR-203 is a portable GPS and emergency messaging device for remote use where cellular networks are unavailable. Swap this cell when your original battery no longer holds a charge through a full field session.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTR-203 satellite communicator fit:\u003c\/strong\u003e\n    The TR-203 runs a single-cell 3.7V Li-ion pack with a compact 53.60 x 34.04 x 4.70mm footprint. This cell matches that footprint and voltage rail, so the device's internal charge circuit and BMS communicate without fault flags.\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 the bench, confirmed the BMS reported correct state-of-charge readings, and verified the protection circuit tripped cleanly at low-voltage cutoff without triggering a hard fault condition.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eCold-start satellite acquisition after swap:\u003c\/strong\u003e\n    After fitting this cell, power the TR-203 on outdoors with clear sky view before heading into the field. Full power removal clears the receiver's almanac cache, so the first satellite fix after a swap takes up to 5–10 minutes. Subsequent warm starts run under a minute once almanac data rebuilds.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eGPS accuracy dropping at low battery on the TR-203\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eWhen cell voltage drops toward the lower end of the 3.7V nominal range, some GPS receivers reduce radio-frequency gain to shed current draw. On the TR-203, this shows up as wider position scatter and slower fix updates before the low-battery warning appears on screen. The receiver is still running, but at reduced sensitivity. Keep the cell above 3.6V under load during active navigation to maintain full receiver performance.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eTR-203 shutting off without warning before the battery indicator reaches empty\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe TR-203's battery gauge reads state-of-charge based on voltage, and a new cell has a slightly different discharge curve than a worn original. Until the device recalibrates against a few full cycles, the low-battery threshold can trigger a hard shutoff before the visual indicator reaches the final bar. Run two to three complete discharge-and-charge cycles to let the gauge recalibrate. After that, shutoff should align with the indicator hitting 3.5V at the cutoff point.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43377584701530,"sku":"BWCS-GTR203SL-1","price":22.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43377584734298,"sku":"BWCS-GTR203SL-2","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43377584767066,"sku":"BWCS-GTR203SL-3","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-GTR203SL-1.webp?v=1778771731","url":"https:\/\/batteryweb.com\/products\/globalstar-tr-203-replacement-battery-37v-900mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}