{"product_id":"dgtech-77-replacement-battery-for-lenovo-thinkpad-p50-p51","title":"DGTECH 77+ Replacement Battery for Lenovo ThinkPad P50 P51","description":"\u003cb\u003eDGTECH 77+ replacement battery delivers a high-capacity, plug-and-play power source specifically built to fit Lenovo ThinkPad P50, P51 and P52 series laptops.\u003c\/b\u003e\n\n\u003cp\u003eThis battery is a direct-compatible replacement for multiple Lenovo part numbers (77+, 77, 77++, 01AV477, 01AV495, 01AV496, SB10K97634, SB10K97635, SB10H45077, SB10H45078 and related SKUs). It supplies 11.4V and 90Wh (7.9Ah) of capacity using Grade A cells and onboard circuit protections designed to stabilize output and reduce leakage risk. The pack is intended for users who need to restore runtime to older ThinkPad workstations without replacing the entire machine.\u003c\/p\u003e\n\n\u003ch3\u003eWhat specifications should I expect from the DGTECH 77+ battery?\u003c\/h3\u003e\n\u003cp\u003eThe DGTECH 77+ battery is rated 11.4 volts and 90Wh (7.9Ah), matching the original equipment specifications for the compatible ThinkPad models. It uses high-grade cells and a protection circuit to maintain stable output under typical laptop loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVoltage: 11.4V\u003c\/li\u003e\n  \u003cli\u003eCapacity: 90Wh \/ 7.9Ah\u003c\/li\u003e\n  \u003cli\u003eGrade A lithium cells for improved longevity\u003c\/li\u003e\n  \u003cli\u003eBuilt-in circuit protection to prevent overcharge, overcurrent, and short circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich Lenovo models and part numbers are compatible with this battery?\u003c\/h3\u003e\n\u003cp\u003eThis pack is manufactured to be compatible with a wide range of ThinkPad P50, P51 and P52 configurations and replaces many OEM part numbers. Confirm your laptop’s existing battery label or machine documentation against the listed part numbers before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models: ThinkPad P50 \/ P51 \/ P52 series (including regional revisions)\u003c\/li\u003e\n  \u003cli\u003eReplaces: 77+, 77, 77++, 01AV477, 01AV495, 01AV496\u003c\/li\u003e\n  \u003cli\u003eAlso cross-references: SB10K97634, SB10K97635, SB10H45075–SB10H45078, 00NY490–00NY493\u003c\/li\u003e\n  \u003cli\u003eModel-specific support: P50-20EQ, P50-20EN, P51-20HH, P51-20HJ, P52-20M9 and similar SKUs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and condition the new battery for best results?\u003c\/h3\u003e\n\u003cp\u003eFollow simple installation and conditioning steps to maximize battery performance and accuracy of the laptop’s charge reporting. DGTECH recommends making sure the battery seating and connector are fully engaged before use and cycling the battery several times during the first few charges.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm the interface is fully connected during installation\u003c\/li\u003e\n  \u003cli\u003eInitial conditioning: discharge to ~5% (avoid full 0%) then charge to ~95%\u003c\/li\u003e\n  \u003cli\u003eRepeat the discharge\/charge cycle 3–4 times to calibrate power management\u003c\/li\u003e\n  \u003cli\u003eStore at partial charge if not used for extended periods\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does DGTECH ensure safety and reliability in this replacement battery?\u003c\/h3\u003e\n\u003cp\u003eDGTECH builds the pack with Grade A cells and an integrated protection circuit to reduce the chances of leakage, overcurrent, or overcharge. While aftermarket batteries cannot change the laptop’s original design, these quality controls help preserve system stability and extend usable life compared with worn-out cells.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGrade A cells selected for consistent output\u003c\/li\u003e\n  \u003cli\u003eOnboard circuitry for overcharge, overcurrent, and short protection\u003c\/li\u003e\n  \u003cli\u003eQuality checks during assembly to reduce early failures\u003c\/li\u003e\n  \u003cli\u003eInstallation tips included to avoid connector issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The DGTECH 77+ battery is aimed at professionals and power users who rely on Lenovo ThinkPad P50\/P51\/P52 laptops and need to regain full mobile runtime without migrating to a new machine. It suits IT technicians replacing worn packs, creative and engineering professionals using workstation-class ThinkPads, and anyone seeking a high-capacity, drop-in compatible battery with protective circuitry and clear conditioning guidance.\u003c\/p\u003e\n\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this DGTECH battery fit my ThinkPad P51?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it’s designed to be compatible with ThinkPad P50, P51 and P52 series; match your laptop’s battery part number before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long should I cycle the battery when new?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Reinstall, discharge to about 5% (not 0%), charge to 95%, and repeat 3–4 times to help calibrate the battery.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DGTECH","offers":[{"title":"Default Title","offer_id":48413438476445,"sku":"B07JH9WR33","price":61.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/dgtech-77-plus-front-packaging.jpg?v=1781265969","url":"https:\/\/nexoltic.com\/products\/dgtech-77-replacement-battery-for-lenovo-thinkpad-p50-p51","provider":"Nexoltic","version":"1.0","type":"link"}