{"product_id":"tribit-stormbox-bluetooth-speaker-replacement-battery-74v-2600mah-li-ion","title":"Tribit Stormbox Bluetooth Speaker 7.4V Replacement Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eTribit Stormbox \/ XSound Plus 2 — 7.4V Li-ion Replacement Battery (INR18650-2S1P)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 7.4V, 2600mAh (19.24Wh) Li-ion replacement battery for the Tribit Stormbox Bluetooth Speaker and the XSound Plus 2 Bluetooth Speaker. It slots into the same position as the original INR18650-2S1P cell pack. When the original degrades, audio cuts out early or the speaker stops holding a charge entirely — this restores cordless playback.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStormbox and XSound Plus 2 compatibility:\u003c\/strong\u003e\n    Both models share the same 7.4V two-cell series configuration and identical connector pinout. The BMS handshake on each speaker accepts the same charge termination voltage, so one cell pack covers both platforms without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge and discharge cycles on a Stormbox unit. The BMS held charge termination at 8.4V and triggered low-voltage cutoff cleanly at 6.0V, with no false cutoff during high-volume amplifier draw spikes.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge calibration after install:\u003c\/strong\u003e\n    After fitting this battery, run the speaker to below 20% charge before topping it back to full — at least once a month. Constant top-off charging without a full discharge causes fuel gauge drift, and the speaker's indicator will begin misreporting remaining capacity within a few weeks.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eAmplifier current spikes and voltage sag at high volume\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eAt high playback volume, the Stormbox's Class D amplifier pulls sharp current spikes that can momentarily drag cell voltage below the BMS protection threshold. A degraded original battery has higher internal resistance, which makes sag worse and can trigger cutoff mid-track. This replacement pack uses fresh 18650 cells with lower internal resistance, which reduces sag under those transient loads. The result is cleaner voltage delivery across the full volume range.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSpeaker won't wake from USB-C charging after full discharge\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eIf the Stormbox sits unused long enough for the cells to drop below roughly 5.5V, the USB-C controller won't accept a standard charge handshake — the port appears dead. Most chargers require the cell pack to be at or above the USB PD minimum acceptance threshold before negotiation starts. Use a charger that supports trickle or pre-charge mode, connect it, and leave the speaker untouched for 20–30 minutes before attempting to power on. Once cells recover above 6.0V, normal charging resumes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43416177606746,"sku":"BWCS-TBX200SL-1","price":46.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43416177639514,"sku":"BWCS-TBX200SL-2","price":54.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43416177672282,"sku":"BWCS-TBX200SL-3","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-TBX200SL_1.webp?v=1779760649","url":"https:\/\/batteryweb.com\/products\/tribit-stormbox-bluetooth-speaker-replacement-battery-74v-2600mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}