I have a Deltran and am happy w/it. It has a 75 amp booster feature, and is good for traditional lead-acid, AGM, and Li- batteries.
https://www.autozone.com/test-scan-...ender-75-amp-boost-battery-charger/240184_0_0 price: $100
The Battery Tender® power plus™ 75 A battery charger is remotely controlled through the cloud via wi-fi connected Internet. Using the battery care pp, you may both monitor and control the BT power plus™ 75 A from any digital device: phone, pad, tablet, running either is or android operating system.
Cloud control from remote mobile digital devices via wifi connected Internet
Operates with multiple battery sizes (Automotive, power sports vehicles: motorcycles, ATVs, and marine) and chemistries (lead acid: flooded, sealed maintenance free: either AGM or gel; and lithium (Lifelong4))
Multiple functions: 4 step charging with 12 V 1.25 A output, boost at 20 A, engine start assist at 75 A, & 13 VDC 1 Amp battery replacement mode to enable electronic functions while the vehicle battery is disconnected.
Spark, short circuit, and reverse polarity protection
Product Details
Part Number: 022-0221-WH
Weight: 14.00lbs
Category: Digital
12 Volt
AC Line Cord Length (ft): 6
Alternator Check: No
Automatic Shut-Off: Yes
Battery Clamp Amperage Rating: 25
Cable Length: 6
Carrying Handle: Yes
Charger Battery Compatibility: 12 Volt
Charger Output Amperage: 1.25
Charger Starting Assist Amperage: 75
Color / Finish: Green / Black / Matte
Display Format: Digital and Analog
Engine Starting Capability: Yes
Float Mode: Yes
High Frequency Charge: No
Housing Material: Plastic
Input Amperage: 0.3
Input Voltage: 120
Low AC Input Compensation: No
Maximum Charging Current: 1.25
Pulse Conditioning (Desulphation): No
Reverse Polarity Protection: Yes
Short Circuit Protection: Yes
Thermal Overload Protection: Yes