Batteries & Chargers
digilog.pk is Pakistan's leading source for lithium-ion cells, LiPo packs, NiMH batteries, BMS modules, TP4056 charger boards, battery holders, and multi-chemistry chargers. Whether you're building a DIY power bank, e-bike battery pack, solar storage system, or portable IoT device, we stock the cells, protection boards, and chargers you need — all in one place with nationwide delivery. Why Source Batteries from digilog.pk? Genuine cells — 18650, 21700, and LiPo packs from verified suppliers, not counterfeits Complete ecosystem — cells + BMS + charger + holder all available together BMS included options — protected 18650 cells with built-in PCB for safe single-cell use LiFePO4 available — safer chemistry for solar storage and e-bike applications Fast delivery — TCS overnight to Karachi, Lahore, Islamabad, Peshawar Battery Types 18650 Li-ion cells — 3.7V, 2000–3500mAh; most popular for DIY packs and power banks 21700 Li-ion cells — higher capacity; used in high-drain devices and e-bike packs LiPo packs — flat, lightweight; for drones, RC models, and slim portable devices LiFePO4 (LFP) — 3.2V nominal; safer, longer cycle life; for solar and EV applications NiMH AA/AAA — rechargeable replacements for consumer devices Lead-acid (SLA) — 6V/12V; for UPS, alarm systems, and backup power Charging Modules TP4056 — 1A single-cell Li-ion charger with over-discharge protection CN3791 — solar-input MPPT charger for single-cell Li-ion from solar panel Multi-cell balance chargers — for 2S–6S LiPo packs used in drones and RC Related Categories Protect your battery packs with BMS boards from BMS - Battery Management Systems. For solar charging applications see Solar & Inverter. Power your electronics cleanly using Power Supplies & Adapters. For e-bike specific BMS see BMS for E-Bike & Electric Scooter. Common Applications DIY power banks — 18650 cells + TP4056 + boost converter + USB out E-bike battery packs — 13S 18650 pack with 48V BMS — see E-Bike BMS Solar storage — LiFePO4 cells with DALY BMS — see DALY BMS Drone power — LiPo 3S/4S packs with C-rated discharge IoT sensor nodes — 18650 + TP4056 + ESP32 deep sleep for months of autonomy How to Choose Chemistry — Li-ion for energy density; LiFePO4 for safety and cycle life; NiMH for simple consumer use Capacity (mAh) — higher is better; verify it's genuine rated capacity Discharge rate (C) — high-drain motors need 10C+ LiPo; IoT sensors need only 0.5C Series/parallel count — determines pack voltage and capacity; always add BMS Learning Resources Battery University — Selection Criteria — chemistry comparison and application guide 18650 Battery Tutorial — Random Nerd Tutorials — wiring 18650 cells safely for Arduino projects LiFePO4 Battery — Wikipedia — technical background on LFP chemistry and safety DIY 18650 Battery Pack Build Guide — YouTube — spot-welding, BMS wiring, and safety practices Need protection boards for your battery pack? Browse BMS - Battery Management Systems for all cell counts. For bulk cell or battery pack procurement contact info@digilog.pk.
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