New Release Updated: Mar 2026

Lg K51S

$225 (Expected Price)

Reviewed by the MobGadgets Tech Team

We analyze specs, compare pricing, and aggregate real-world data to bring you unbiased mobile reviews. Learn how we test.

Display 6.55" AMOLED

Processor Helio P35

Battery 4000mAh

RAM & Storage 64GB storage, microSDXC

Full Specs

Should you buy the Lg K51S?

Reasons to Buy

Massive The LG K51S is equipped with a non-removable Li-Po 4000 mAh battery, which provides a decent amount of power for everyday use. The battery capacity is sufficient to support moderate usage throughout the day without the need for frequent recharging. While it doesn't offer any specific fast charging technology, it does support USB Type-C 2.0 for convenient charging. The screen-on time and standby time of the device are generally satisfactory, allowing users to enjoy extended usage without worrying about frequent recharges. The battery performance is optimized to ensure power efficiency, helping to maximize battery life. The device also includes battery optimization features to manage power consumption and extend battery endurance. While it doesn't support wireless charging options, the battery backup and capacity are adequate for most users' needs. Additionally, the device incorporates a battery saver mode to further conserve battery life when necessary. Overall, the LG K51S offers a reliable battery performance that can comfortably last through a full day of usage. battery life
Large 6.7" display for media
Excellent value at $225

Reasons to Avoid

May be bulky due to large battery
Average camera performance in low light

Full Specifications

Network Technology: GSM / HSPA / LTE

Launch Announced: 2020, February 18 Status: Available. Released 2020, April 27

Body Dimensions: 165.2 x 76.7 x 8.3 mm (6.50 x 3.02 x 0.33 in) Weight: 194.5 g (6.88 oz) SIM: Nano-SIM
Nano-SIM + Nano-SIM - : MIL-STD-810G compliant*
*does not guarantee ruggedness or use in extreme conditions

Display Type: IPS LCD Size: 6.55 inches, 93.6 cm² (~73.8% screen-to-body ratio) Resolution: 720 x 1600 pixels, 20:9 ratio (~282 ppi density) Protection: Scratch-resistant glass

Platform OS: Android 9.0 (Pie) Chipset: Mediatek MT6765 Helio P35 (12 nm) CPU: Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) GPU: PowerVR GE8320

Memory Card slot - microSDXC (dedicated slot) Internal: 64GB 3GB RAM
- : eMMC 5.1

Main Camera Quad: 32 MP, (wide), PDAF
5 MP, f/2.2, 115˚, (ultrawide)
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth) Features: LED flash, panorama, HDR Video: 1080p@30fps

Selfie camera Single: 13 MP, 1/3.1", 1.12µm Video: 1080p@30fps

Sound Loudspeaker : Yes 3.5mm jack : Yes

Comms WLAN: Wi-Fi 802.11 a/b/g/n, Wi-Fi Direct, DLNA
or
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA Bluetooth: 5.0, A2DP, LE Positioning: GPS NFC: Yes Radio: No USB: USB Type-C 2.0, OTG

Features Sensors: Fingerprint (rear-mounted), accelerometer, proximity, compass

Battery Type: Li-Po 4000 mAh

Misc Colors: Titanium, Pink, Blue, Red Models: LMK510EMW, LM-K510EMW, LM-K510 Price: About 200 EUR

Frequently Asked Questions

With its Dimensity 6300 chipset and 6GB of RAM, it handles everyday tasks and moderate gaming efficiently, though extremely graphic-intensive games may require lower settings.

Yes, to complement its massive The LG K51S is equipped with a non-removable Li-Po 4000 mAh battery, which provides a decent amount of power for everyday use. The battery capacity is sufficient to support moderate usage throughout the day without the need for frequent recharging. While it doesn't offer any specific fast charging technology, it does support USB Type-C 2.0 for convenient charging. The screen-on time and standby time of the device are generally satisfactory, allowing users to enjoy extended usage without worrying about frequent recharges. The battery performance is optimized to ensure power efficiency, helping to maximize battery life. The device also includes battery optimization features to manage power consumption and extend battery endurance. While it doesn't support wireless charging options, the battery backup and capacity are adequate for most users' needs. Additionally, the device incorporates a battery saver mode to further conserve battery life when necessary. Overall, the LG K51S offers a reliable battery performance that can comfortably last through a full day of usage. battery, it features standard fast charging capabilities to get you back up and running quickly.