Overview
The LiitoKala Lii-35A-JT 18650 3500 mAh battery is a high-capacity pointed-top Li-ion cell designed for versatile consumer and industrial electronics. With <35mΩ internal resistance, it delivers consistent performance, excellent safety, and long runtime. Its integrated explosion-proof valve and LiitoKala’s quality assurance make it one of the safest and most durable rechargeable options on the market.
Main Features
- 3500 mAh high capacity, 3.7V nominal voltage
- Low internal resistance <35mΩ for efficient discharge
- Explosion-proof safety valve for reliable protection
- Up to 1000 recharge cycles for long-term use
- Excellent performance in Bluetooth speakers, POS systems, recorders, massagers, and other portable devices
- Customization options: Nickel, Pointed Top, or PCB-protected versions
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand Name | LiitoKala |
| Model | Lii-35A-JT (Pointed Top) |
| Type | Li-ion 18650 rechargeable battery |
| Nominal Capacity | 3500 mAh |
| Nominal Voltage | 3.7 V |
| Full Charge Voltage | 4.2 V |
| Discharge Cutoff Voltage | 2.5 V |
| Internal Resistance | < 35 mΩ |
| Recharge Cycles | Up to 1000 times |
| Weight | 47 g ± 1 g |
| Size | Ø 18.5 mm × 65.5 mm |
| Top Type | Pointed |
| Protection Features | Explosion-proof valve |
| Customization Options | Nickel / Pointed / PCB |
| Package Details | 500 pcs/box (43 × 21 × 27 cm) |
Applications
The Lii-35A-JT is designed for consumer electronics and portable power devices that require stable, high-capacity 18650 cells.
Its pointed top design allows seamless fit in Bluetooth speakers, POS machines, car recorders, and beauty or massage instruments, offering dependable energy and safety.
Thanks to its low internal resistance and explosion-proof design, it is also an excellent choice for DIY battery projects, lighting equipment, and emergency power solutions.
Product FAQ
What’s the difference between Lii-35A and Lii-35A-JT?
The Lii-35A-JT is the pointed top version of the standard Lii-35A, designed for devices requiring a protruding positive terminal.
Does it include protection circuitry (PCB)?
The standard version is unprotected. PCB-protected options are available upon customization.
How safe is this battery?
It includes an explosion-proof valve and is manufactured under LiitoKala’s quality control standards for safety and stability.
Can it be used in series or packs?
Yes, provided all cells are matched and used with a proper BMS for balancing and safety.
How should I charge it?
Use a dedicated Li-ion charger such as the Lii-C4 Smart Charger for optimal performance.
When should I recharge the battery?
Recharge when power drops to around 10–20% — avoid full depletion to extend lifespan.
Is reduced performance in cold weather normal?
Yes, lithium batteries perform less efficiently in low temperatures but recover once warmed.
Do you offer wholesale or OEM packaging?
Yes — visit our Bulk Batteries page for retailer and OEM inquiries.
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