It can handle currents up to 100A. It features a waterproof, battery monitor with a shunt. Digits start to flash to remind you that the battery needs to be. DISPLAY: It uses digital display LCD with backlight, equipped with a strengthened Acrylic waterproof screen.
eBay
High Impedance Amplifier Donut SW AM Antenna 5V 600mA Doughnut Short Wave Antenna Built-In 600mah Battery for SDR Walkie Talkie
Aliexpress UK
Capacity : 0.01AH. Open Holes (mm): 76.5 39.2（mm）. Current : 0.01A. Size: 79×43×52(mm). Current Precision: ± 1% + 2 digits.
eBay
Cell Phone Signal Enhancement Stickers Outdoor Mobile Amplifier Internet Antenna Booster - Boost Your Phone's Reception with The
Aliexpress UK
The part of the rear panel installed is splashing proof. Screen: LCD. Step 1: Press and hold the button for 1 second until the word 60VL appears on the screen (the exact display varies depending on the battery specification), then release the button.
eBay
6dBi Cell Phone Signal Booster Antenna Portable Phone Enhancement Portable Antenna 3.5mm Jack Signal Amplifier Phone Tool
Aliexpress UK
Reset Energy: Long the key over than 3 seconds can reset the energy. We will dispatch your item as soon as we can. 1 wrench. model:300v 50A. Help & FAQ's.
eBay
N Type Male to Female LMR400 Jumper Pigtail Radio WIFI Extension Cable for 4G LTE Cellular Amplifier Cell Phone Signal Booster
Aliexpress UK
Programmable battery monitor. Battery Tester With CT. Expandable with external shunt and relay. Resolution: 0.01V, 0.01A, 0.01W, 0.01Ah, 0.01H. OAH 0.01Ah~9999Ah. Battery monitor bluetooth. Adopting modular design, collocate indicator lights on the panel for various working status.
eBay
Lintratek GSM Repeater 4G 3G 2G Cellular Signal Repeater Amplifier Mobile 850 800 1800 MHZ DCS WCDMA LTE PCS Cellphone Booster
Aliexpress UK
1 x Battery Tester.
eBay
6dBi Cell Phone Signal Booster Antenna Portable Phone Signal Enhancement Portable Antenna 3.5mm Jack Signal Amplifier Phone Tool
Aliexpress UK
Type: 10-100V White + No Alarm + No Temperature, 10-100V White + Temperature, 10-100V White + Alarm, 10-100V White + Alarm + Temperature, 10-100V Blue + No Alarm + No Temperature, 10-100V Blue + Temperature, 10-100V Blue + Alarm, 10-100V Blue + Alarm + Temperature (Optional).
eBay
SP18 Signal Amplifier Sticker Portable Mobile Phone Enhancement Booster for iPhone Samsung Xiaomi Universal Cell Phone 2025 New
Aliexpress UK
1 battery capacity and internal resistance tester. Note: Does not support charging lithium iron phosphate batteries. Uses the two-wire DC to test internal resistance. Active fan cooling and overheat protection are included.
eBay
2G 3G 4G LTE GSM UMTS 360° Antenna Kit Outdoor + Indoor + Coaxial Cable for Cell Mobile Phone Signal Booster Amplifier Repeater
Aliexpress UK