{"product_id":"nikon-d100-replacement-battery-74v-2000mah-li-ion","title":"Nikon EN-EL3e D100 Replacement Battery 7.4V 2000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eNiKon D100 \/ D200 \/ D50 \/ D70 — 7.4V Li-ion Replacement Battery (EN-EL3e)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 7.4V, 2000mAh Li-ion replacement for the NiKon EN-EL3e battery. It fits the D100, D200, D50, and D70 bodies, plus six additional NiKon DSLR models that share the same EN-EL3e form factor. Capacity matches OEM spec at 2000mAh (14.8Wh).\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eD-series body compatibility:\u003c\/strong\u003e\n    The D100, D200, D50, and D70 all use the same EN-EL3e battery bay, connector pin layout, and BMS communication protocol. That shared electrical spec is why one cell works across this entire DSLR range without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through a full charge and discharge cycle on a D70 body. The BMS accepted the cell without rejecting it at the authentication handshake, and the battery-remaining indicator tracked through the full discharge curve without false cutoff.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst charge via camera body:\u003c\/strong\u003e\n    On first use, insert the cell into the camera body and charge it through the body or OEM charger for one full cycle before shooting. The D-series BMS maps the discharge curve against the initial charge cycle — skipping this step can cause the battery-remaining display to report inaccurately across the cell's full range.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the D100 and D200 show a low-battery warning sooner than expected on a new cell\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eNiKon's D-series bodies use a stored discharge curve to calculate remaining charge. When a new cell goes in without a calibration cycle, the camera compares real-time voltage against a curve built from a worn OEM cell. The voltage profile of a fresh Li-ion cell sits slightly higher across the mid-range, so the camera misreads the state of charge. Running one full charge-to-depletion cycle in the body resets the reference and brings the indicator in line with actual capacity.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBattery percentage jumping erratically on the D70 or D50 display\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when the camera's fuel gauge loses its voltage-to-capacity mapping after a cell swap. The D50 and D70 report percentage in coarse steps — 100%, 50%, 0% — not a continuous readout, so a jump from 50% straight to blinking empty is normal behaviour, not a fault. If the indicator flips between steps rapidly under light load, the BMS has not yet mapped the new cell's discharge curve. Charge the cell fully via the OEM MH-18a charger or the camera body, then allow one full discharge to complete the mapping. After that cycle, readings stabilise.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43333597757530,"sku":"BWCS-NKD100MU-1","price":39.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43333597790298,"sku":"BWCS-NKD100MU-2","price":45.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43333597823066,"sku":"BWCS-NKD100MU-3","price":50.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-NKD100MU-1.webp?v=1778212993","url":"https:\/\/batteryweb.com\/products\/nikon-d100-replacement-battery-74v-2000mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}