{"product_id":"blackdecker-gs500-replacement-battery-36v-2200mah-ni-mh","title":"GS500 3.6V Cordless Grass Shear Replacement Battery 2200mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eBlack\u0026amp;Decker Cordless Grass Shear — 3.6V Ni-MH Replacement Battery\u003c\/h2\u003e\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.6V 2200mAh Ni-MH replacement battery pack for the Black\u0026amp;Decker GS500 cordless grass shear. The GS500 uses a compact 3-cell sub-C configuration to power its trimming blade, and this pack matches that voltage rail and physical footprint exactly. Capacity is rated at 2200mAh — a slight step up from the original 2000mAh spec.\u003c\/p\u003e\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGS500 compatibility:\u003c\/strong\u003e The GS500 runs a single 3.6V battery bay with a fixed connector orientation — this pack matches the voltage, cell count, and connector used across that model line.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e We ran full charge and discharge cycles through the pack — the BMS held voltage steady under blade load and cut off cleanly at the low-voltage threshold without tripping the shear's protection circuit.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFirst charge matters with Ni-MH:\u003c\/strong\u003e Run two or three full charge and discharge cycles before expecting full capacity — Ni-MH cells need conditioning to reach their rated output after sitting in storage.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \u003chr class=\"bpw-desc-divider\"\u003e\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy sub-C cells in a grass shear\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eSub-C cells pack a high current-delivery surface area into a small cylinder, which suits the GS500's burst-load cutting pattern. Grass shears draw hard during each blade stroke, then idle briefly — Ni-MH handles that pulse-and-recover cycle better than older NiCd chemistry. The 2200mAh rating reflects usable capacity after the BMS reserves its buffer.\u003c\/p\u003e\n  \u003ch3 class=\"bpw-desc-h3\"\u003eShear powers on but blade stalls under load\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eIf the blade stalls when cutting thicker grass but spins freely in air, the battery is likely voltage-sagging under load — a common sign of a degraded or deeply discharged Ni-MH pack. The GS500's motor draws a sharp current spike at blade contact, and a weak pack can't sustain the voltage needed to push through. Fit the new pack, run a full conditioning cycle, and confirm the charger is rated for Ni-MH — using an incompatible charger will prevent proper cell formation and the stalling will return.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43175807352922,"sku":"BWCS-BKG500VX-1","price":28.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43175807385690,"sku":"BWCS-BKG500VX-2","price":31.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43175807418458,"sku":"BWCS-BKG500VX-3","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-BKG500VX-1.webp?v=1775236242","url":"https:\/\/batteryweb.com\/products\/blackdecker-gs500-replacement-battery-36v-2200mah-ni-mh","provider":"BatteryWeb","version":"1.0","type":"link"}