--- title: "HP EliteBook 840 G3/G4 Battery" sku: BT016 brand: HP category: Batteries price_pkr: 7399 currency: PKR stock_status: instock url: https://nnlaptops.com/product/hp-elitebook-840-g3-g4-battery-840g3 url_markdown: https://nnlaptops.com/product/hp-elitebook-840-g3-g4-battery-840g3.md image: https://nnlaptops.com/products/hp-elitebook-840-g3-g4-battery-840g3-1.webp date_modified: 2026-06-12 --- # HP EliteBook 840 G3/G4 Battery **Price:** Rs. 7,399 · **Brand:** HP · **Category:** Batteries · **SKU:** BT016 · **Stock:** In stock [View on nnlaptops.com](https://nnlaptops.com/product/hp-elitebook-840-g3-g4-battery-840g3) · [WhatsApp the shop](https://wa.me/923144000131?text=Hi%2C%20I'm%20interested%20in%20HP%20EliteBook%20840%20G3%2FG4%20Battery%20(BT016).) ## Specifications | Spec | Value | |------|-------| | Brand | HP | | Condition | New | | Type | Laptop Battery | | Battery Model | HP EliteBook 840 G3/G4 Battery | | Capacity (mAh) | 4200 mAh | | Capacity (Wh) | 46 Wh | | Voltage | 11.4 V | | Cells | 3-Cell | | Chemistry | Lithium-Polymer (Li-Po) | | Compatible Models | HP EliteBook 840 G3, HP EliteBook 840 G4, HP EliteBook 820 G3, HP EliteBook 820 G4 | | Warranty | 30-Day Replacement Warranty | | Delivery | Free Same-Day Lahore / TCS & Leopards Nationwide | | Part Type | OEM Replacement | | Protection | Over-charge, Over-discharge, Short-circuit | ## Description The HP EliteBook 840 G3/G4 Battery is a new, quality-checked replacement battery sourced and sold directly from our shop at Hafeez Center, Gulberg III, Lahore . If your EliteBook 840 is dying within an hour or refusing to hold a charge at all, this is the exact part you need — factory-spec cells, protective circuitry, and a connector that seats flush with no modification. What's in the box and what to expect Every unit we ship from nnlaptops.com is bench-tested before it leaves our hands. The HP EliteBook 840 G3/G4 Battery price in Pakistan 2026 is Rs. 7,399 — fair for a brand-new Li-Po pack with a protection circuit board that guards against over-charge and over-discharge. Customers in Lahore, Karachi, Islamabad, Rawalpindi, and Faisalabad order this part regularly for office fleet repairs. Technical specifications at a glance Chemistry: Lithium-Polymer (Li-Po) Capacity: 4,200 mAh / 46 Wh (typical) Voltage: 11.4 V (3-cell) or 7.7 V (2-cell depending on variant) Cells: 3-cell configuration (most common variant for 840 G3/G4) Tested capacity retention: ≥85% of rated design capacity on dispatch Connector: OEM-spec plug — direct drop-in, no cutting or adapters Protection circuit: Over-charge, over-discharge, short-circuit guard Compatible models This battery fits: HP EliteBook 840 G3 HP EliteBook 840 G4 HP EliteBook 820 G3 HP EliteBook 820 G4 Not sure if your exact sub-model is covered? WhatsApp Sayam on 0314 4000131 with the service tag or part number from the bottom of your laptop — we'll confirm before you commit to anything. Customers from Multan, Peshawar, and Sialkot regularly send us a quick message and get a clear answer within minutes. Delivery and warranty Orders ship same-day from Lahore if placed before 6 PM — free delivery within the city. Karachi, Islamabad, Rawalpindi, Faisalabad, and everywhere else in Pakistan get their parcel via TCS or Leopards Courier in 1–4 working days depending on destination. This being a new part , it carries a 30-day replacement warranty — if the battery fails on a clean install within that window, courier it back and we replace it, no argument. Visit nnlaptops.com to browse our full battery catalog, or walk into Shop 66A, 3rd Floor, Hafeez Center, Gulberg III, Lahore any day to inspect the part in person. For a stock check, live photos of the exact unit, or to sort out a bulk order for your service center, WhatsApp 0314 4000131 and Sayam will handle it personally. ## Compatibility, Warranty & Delivery FAQ ### Is the HP EliteBook 840 G3/G4 Battery compatible with my existing setup? HP EliteBook 840 G3/G4 Battery is sold from our tested inventory at Hafeez Center. Every part is verified against the make, model, and connector type listed in the specifications above. WhatsApp 0314 4000131 with your laptop model (or service tag for Dell / HP / Lenovo) and we'll confirm fitment before you order. ### What warranty does the HP EliteBook 840 G3/G4 Battery include? The HP EliteBook 840 G3/G4 Battery is brand-new and carries a 30-day check warranty, plus any manufacturer warranty (registered on your behalf). If it arrives faulty or fails within the window, courier it back to N.N Laptop in Lahore — we cover return shipping and replace or refund. ### How does ordering and delivery work? Before you buy, we send clear photos and a short video of your exact unit so you know precisely what you're getting. Once you're happy, we ship nationwide via TCS / Leopards (same-day delivery inside Lahore — free on orders over Rs. 30,000; Rs. 250 under that) and share the tracking. WhatsApp 0314 4000131 to confirm. ### Same-day delivery in Lahore? Yes — orders placed before 6 PM with a Lahore delivery address typically arrive the same evening via our city rider. Lahore delivery is free on orders of Rs. 30,000 or more (Rs. 250 under that). Outside Lahore, delivery is 1–4 working days via TCS / Leopards. ## Pakistan-Wide Shipping | Region | Cost (PKR) | Transit (working days) | |--------|------------|------------------------| | Lahore (same-day) | Free on Rs. 30,000+ orders (Rs. 250 under) | 0 | | Rest of Punjab | Rs. 450 | 1–2 | | Federal Capital Territory | Rs. 450 | 1–2 | | Sindh (Karachi, Hyderabad) | Rs. 650 | 2–4 | | Khyber Pakhtunkhwa | Rs. 550–700 | 2–5 | | Balochistan (up to Quetta) | Rs. 700–850 | 2–5 | ## Contact - **WhatsApp / Phone:** 0314 4000131 (+92 314 4000131) - **Email:** Info.n.n.laptop@gmail.com - **Shop:** Shop 66A, 3rd Floor, Hafeez Center, Gulberg III, Lahore 54000 - **Hours:** Mon–Sat, 10:00 AM – 10:00 PM (closed Sunday) --- _Generated for LLM crawlers. Canonical HTML: https://nnlaptops.com/product/hp-elitebook-840-g3-g4-battery-840g3. Last updated: 2026-06-12T03:46:42.301Z._